[jira] [Commented] (HDDS-699) Detect Ozone Network topology
[
https://issues.apache.org/jira/browse/HDDS-699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753763#comment-16753763
]
Sammi Chen commented on HDDS-699:
-
Hi [~junjie], thanks for your review and feedbacks.
{code:java}
+// Remove any trailing NetConf.PATH_SEPARATOR
+int len = path.length();
+while (len > 0 && path.charAt(len-1) == NetConf.PATH_SEPARATOR) {
+ path = path.substring(0, len-1);
+ len = path.length();
+}
+return path;
+ }
{code}
It's to remove the trailing "/". "/" in the middle can not be removed.
{quote}
For choosing a node (randomly or not), do we really need ancestor parameter?
The scope should already contain the branch level info. Isn't it?
{quote}
The current NetworkTopology implementation allows user to define topology with
any levels, so the node chosen flexibility is provided with the "ancestorGen"
parameter. For a specific network topology, you are right, the level info is
fixed, in the container/pipeline placement policy implementation.
The rest will be address in the coming patch.
> Detect Ozone Network topology
> -
>
> Key: HDDS-699
> URL: https://issues.apache.org/jira/browse/HDDS-699
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
>Reporter: Xiaoyu Yao
>Assignee: Sammi Chen
>Priority: Major
> Attachments: HDDS-699.00.patch, HDDS-699.01.patch
>
>
> Traditionally this has been implemented in Hadoop via script or customizable
> java class. One thing we want to add here is the flexible multi-level support
> instead of fixed levels like DC/Rack/NG/Node.
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[jira] [Commented] (HDDS-699) Detect Ozone Network topology
[
https://issues.apache.org/jira/browse/HDDS-699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753757#comment-16753757
]
Sammi Chen commented on HDDS-699:
-
Hi [~linyiqun] thanks for the review effort.
{quote}Can we address this corner case in test {{testAddRemove}}? Also a
similar case, we can add a node without parent existed, and to see if the
parent nodes is created as we expected
{quote}
The first is covered in {{testAddRemove}}, ROOT has level "1", level "2" means
ROOT's children. A new check will be added for the second suggestion.
{code:java}
// no inner nodes
assertEquals(0, cluster.getNumOfNodes(2));
{code}
{quote}Can we rename NetConf, NetUtils to a more readable name TopologyConf,
TopologyUtils? Here Net will be understood as the meaning of Network not
NetworkTopology,
{quote}
Make sense. The rest will be addressed in the new patch.
> Detect Ozone Network topology
> -
>
> Key: HDDS-699
> URL: https://issues.apache.org/jira/browse/HDDS-699
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
>Reporter: Xiaoyu Yao
>Assignee: Sammi Chen
>Priority: Major
> Attachments: HDDS-699.00.patch, HDDS-699.01.patch
>
>
> Traditionally this has been implemented in Hadoop via script or customizable
> java class. One thing we want to add here is the flexible multi-level support
> instead of fixed levels like DC/Rack/NG/Node.
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[jira] [Commented] (HDFS-13358) RBF: Support for Delegation Token (RPC)
[ https://issues.apache.org/jira/browse/HDFS-13358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753716#comment-16753716 ] CR Hota commented on HDFS-13358: [~elgoiri] [~surendrasingh] [~brahmareddy] Thanks for all the reviews so far. Could you help do a final review of the patch . Once this is checked in I can start the final work on webhdfs. webhdfs is dependent on this patch. > RBF: Support for Delegation Token (RPC) > --- > > Key: HDFS-13358 > URL: https://issues.apache.org/jira/browse/HDFS-13358 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Sherwood Zheng >Assignee: CR Hota >Priority: Major > Attachments: HDFS-13358-HDFS-13891.001.patch, > HDFS-13358-HDFS-13891.002.patch, HDFS-13358-HDFS-13891.003.patch, > HDFS-13358-HDFS-13891.004.patch, HDFS-13358-HDFS-13891.005.patch, RBF_ > Delegation token design.pdf > > > HDFS Router should support issuing / managing HDFS delegation tokens. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDDS-1004) SCMContainerManager#updateContainerStateInternal fails for QUASI_CLOSE and FORCE_CLOSE events
[ https://issues.apache.org/jira/browse/HDDS-1004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753710#comment-16753710 ] Shashikant Banerjee commented on HDDS-1004: --- Thanks [~ljain] for working on this. The patch looks good to me. I am +1 on this. > SCMContainerManager#updateContainerStateInternal fails for QUASI_CLOSE and > FORCE_CLOSE events > - > > Key: HDDS-1004 > URL: https://issues.apache.org/jira/browse/HDDS-1004 > Project: Hadoop Distributed Data Store > Issue Type: Bug >Affects Versions: 0.4.0 >Reporter: Lokesh Jain >Assignee: Lokesh Jain >Priority: Major > Attachments: HDDS-1004.001.patch > > > SCMContainerManager#updateContainerStateInternal currently fails for > QUASI_CLOSE and FORCE_CLOSE events. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDDS-997) Add blockade Tests for scm isolation and mixed node isolation
[ https://issues.apache.org/jira/browse/HDDS-997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753705#comment-16753705 ] Shashikant Banerjee commented on HDDS-997: -- Thanks [~nilotpalnandi] for working on this. The patch looks good to me. Some minor comments: 1.While adding the tests in #test_scm_isolation_one_node and #test_scm_isolation_two_node, let's also add the expected results in the comments to make it more understandable. 2. Add a more meaningful log info while tearing down the blockade cluster logging the cluster FILE location. 3.The test seem to waiting for 900 seconds to check the container status after running freon? Can it made configurable in the tests? 4.ozoneblockade.json : -> is this file required? 5.test_datanode_isolation_all :-> empty line added. Please revert. > Add blockade Tests for scm isolation and mixed node isolation > - > > Key: HDDS-997 > URL: https://issues.apache.org/jira/browse/HDDS-997 > Project: Hadoop Distributed Data Store > Issue Type: Bug >Affects Versions: 0.4.0 >Reporter: Nilotpal Nandi >Assignee: Nilotpal Nandi >Priority: Major > Attachments: HDDS-997.001.patch > > -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-14130) Make ZKFC ObserverNode aware
[
https://issues.apache.org/jira/browse/HDFS-14130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753694#comment-16753694
]
Hadoop QA commented on HDFS-14130:
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0s{color} | {color:green} The patch appears to include 2 new or modified test
files. {color} |
|| || || || {color:brown} HDFS-12943 Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 6m
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 23m
47s{color} | {color:green} HDFS-12943 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 23m
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| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 3m
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| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 3m
26s{color} | {color:green} HDFS-12943 passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
21m 42s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
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|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 8m 31s{color}
| {color:red} hadoop-common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 95m 4s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
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| {color:black}{color} | {color:black} {color} | {color:black}230m 22s{color} |
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\\
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|| Reason || Tests ||
| Failed junit tests | hadoop.security.ssl.TestSSLFactory |
| | hadoop.hdfs.tools.TestDFSZKFailoverController |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDFS-14130 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12956519/HDFS-14130-HDFS-12943.007.patch
|
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 84f843986845 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | HDFS-12943 / bd2a59e |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| fin
[jira] [Updated] (HDFS-14224) RBF: NPE in getContentSummary() for getEcPolicy() in case of multiple destinations
[ https://issues.apache.org/jira/browse/HDFS-14224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Brahma Reddy Battula updated HDFS-14224: Resolution: Fixed Hadoop Flags: Reviewed Fix Version/s: HDFS-13891 Status: Resolved (was: Patch Available) Committed to HDFS-13891. [~ayushtkn] thanks for contribution. [~elgoiri] and [~tasanuma0829] thanks for review. > RBF: NPE in getContentSummary() for getEcPolicy() in case of multiple > destinations > -- > > Key: HDFS-14224 > URL: https://issues.apache.org/jira/browse/HDFS-14224 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Ayush Saxena >Assignee: Ayush Saxena >Priority: Major > Fix For: HDFS-13891 > > Attachments: HDFS-14224-HDFS-13891-01.patch, > HDFS-14224-HDFS-13891-02.patch, HDFS-14224-HDFS-13891-03.patch, > HDFS-14224-HDFS-13891-04.patch, HDFS-14224-HDFS-13891-05.patch, > HDFS-14224-HDFS-13891-06.patch > > > Null Pointer Exception in GetContentSummary for EC policy when there are > multiple destinations. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDDS-974) Add getServiceAddress method to ServiceInfo and use it in TestOzoneShell
[
https://issues.apache.org/jira/browse/HDDS-974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753659#comment-16753659
]
Yiqun Lin commented on HDDS-974:
Almost looks good to me, only one comment:
{code}
/**
- * Returns the port for given type, null if the service doesn't support
- * the type.
+ * Returns the port for given type.
*
* @param type the type of port.
* ex: RPC, HTTP, HTTPS, etc..
+ * @throws NullPointerException if the service doesn't support the given type
*/
@JsonIgnore
public int getPort(ServicePort.Type type) {
return ports.get(type);
}
{code}
Here the ports map will return null not NPE when service doesn't support the
given type I think.
> Add getServiceAddress method to ServiceInfo and use it in TestOzoneShell
>
>
> Key: HDDS-974
> URL: https://issues.apache.org/jira/browse/HDDS-974
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
>Reporter: Dinesh Chitlangia
>Assignee: Doroszlai, Attila
>Priority: Major
> Labels: newbie
> Attachments: HDDS-974.001.patch, HDDS-974.002.patch
>
>
> This jira has been filed based on [~ajayydv]'s [review comment
> |https://issues.apache.org/jira/browse/HDDS-960?focusedCommentId=16739807&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16739807]on
> HDDS-960
> 1. Add a method getServiceAddress(ServicePort port) in ServiceInfo
> 2. Use this method in TestOzoneShell in place of following snippet:
> {code:java}
> String omHostName = services.stream().filter(
> a -> a.getNodeType().equals(HddsProtos.NodeType.OM))
> .collect(Collectors.toList()).get(0).getHostname();
> {code}
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[jira] [Commented] (HDFS-14084) Need for more stats in DFSClient
[
https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753647#comment-16753647
]
Hadoop QA commented on HDFS-14084:
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.qjournal.server.TestJournalNodeSync |
\\
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDFS-14084 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12956518/HDFS-14084.016.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 9296202f6209 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 3b49d7a |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| findbugs | v3.1.0-RC1 |
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/26067/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/26067/testReport/ |
| Max. process+thread count | 2921 (vs. ulimit of 1) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/26067/console |
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[jira] [Commented] (HDFS-14130) Make ZKFC ObserverNode aware
[ https://issues.apache.org/jira/browse/HDFS-14130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753637#comment-16753637 ] xiangheng commented on HDFS-14130: -- Thanks [~csun],I’m sorry there are some things that have delayed this schedule.I Attached a new patch V007,hope your suggestions,thank you.and I don't know how to test patch ,I'm learning it yet. > Make ZKFC ObserverNode aware > > > Key: HDFS-14130 > URL: https://issues.apache.org/jira/browse/HDFS-14130 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: ha >Affects Versions: HDFS-12943 >Reporter: Konstantin Shvachko >Assignee: xiangheng >Priority: Major > Attachments: HDFS-14130-HDFS-12943.001.patch, > HDFS-14130-HDFS-12943.003.patch, HDFS-14130-HDFS-12943.004.patch, > HDFS-14130-HDFS-12943.005.patch, HDFS-14130-HDFS-12943.006.patch, > HDFS-14130-HDFS-12943.007.patch > > > Need to fix automatic failover with ZKFC. Currently it does not know about > ObserverNodes trying to convert them to SBNs. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14130) Make ZKFC ObserverNode aware
[ https://issues.apache.org/jira/browse/HDFS-14130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] xiangheng updated HDFS-14130: - Attachment: HDFS-14130-HDFS-12943.007.patch > Make ZKFC ObserverNode aware > > > Key: HDFS-14130 > URL: https://issues.apache.org/jira/browse/HDFS-14130 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: ha >Affects Versions: HDFS-12943 >Reporter: Konstantin Shvachko >Assignee: xiangheng >Priority: Major > Attachments: HDFS-14130-HDFS-12943.001.patch, > HDFS-14130-HDFS-12943.003.patch, HDFS-14130-HDFS-12943.004.patch, > HDFS-14130-HDFS-12943.005.patch, HDFS-14130-HDFS-12943.006.patch, > HDFS-14130-HDFS-12943.007.patch > > > Need to fix automatic failover with ZKFC. Currently it does not know about > ObserverNodes trying to convert them to SBNs. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Status: Patch Available (was: In Progress) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch, HDFS-14084.016.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Status: In Progress (was: Patch Available) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch, HDFS-14084.016.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Attachment: (was: HDFS-14084.016.patch) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch, HDFS-14084.016.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Attachment: HDFS-14084.016.patch > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch, HDFS-14084.016.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Status: Patch Available (was: In Progress) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch, HDFS-14084.016.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Attachment: HDFS-14084.016.patch > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch, HDFS-14084.016.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Status: In Progress (was: Patch Available) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Attachment: (was: HDFS-14084.016.patch) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Attachment: HDFS-14084.016.patch > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch, HDFS-14084.016.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-14084) Need for more stats in DFSClient
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https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753570#comment-16753570
]
Hadoop QA commented on HDFS-14084:
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\\
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDFS-14084 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12956507/HDFS-14084.015.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 4c20f006b519 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14
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| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 47d6b9b |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| findbugs | v3.1.0-RC1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/26066/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/26066/testReport/ |
| Max. process+thread count | 3500 (vs. ulimit of 1) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
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| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/26066/console |
| Powered by | Apache Yetus 0.8.0 http:/
[jira] [Commented] (HDDS-989) Check Hdds Volumes for errors
[ https://issues.apache.org/jira/browse/HDDS-989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753566#comment-16753566 ] Arpit Agarwal commented on HDDS-989: The Jenkins javadoc errors were in a class duplicated from Guava (the class is not in the Guava version that we use). > Check Hdds Volumes for errors > - > > Key: HDDS-989 > URL: https://issues.apache.org/jira/browse/HDDS-989 > Project: Hadoop Distributed Data Store > Issue Type: Improvement > Components: Ozone Datanode >Reporter: Arpit Agarwal >Assignee: Arpit Agarwal >Priority: Major > Fix For: 0.4.0 > > Attachments: HDDS-989.01.patch, HDDS-989.02.patch, HDDS-989.03.patch, > HDDS-989.04.patch, HDDS-989.05.patch, HDDS-989.06.patch > > > HDDS volumes should be checked for errors periodically. > This Jira introduces volume checks on Ozone DN startup and periodically (once > every 15 minutes by default). The volume checker logic is borrowed from HDFS, > although some code duplication is necessary because the HDFS classes are > package-private. > This patch just detects the volume failure. Failure handling will be added in > HDDS-1008. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDDS-989) Check Hdds Volumes for errors
[ https://issues.apache.org/jira/browse/HDDS-989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753556#comment-16753556 ] Hudson commented on HDDS-989: - FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #15838 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/15838/]) HDDS-989. Check Hdds Volumes for errors. Contributed by Arpit Agarwal. (arp: rev 3b49d7aeae8819ce7c2c4f4fec057dd9e75dedf1) * (edit) hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/VolumeSet.java * (add) hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/ThrottledAsyncChecker.java * (edit) hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/ozoneimpl/OzoneContainer.java * (add) hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/AbstractFuture.java * (edit) hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/HddsVolume.java * (add) hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/HddsVolumeChecker.java * (add) hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/TimeoutFuture.java * (add) hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/volume/TestHddsVolumeChecker.java * (add) hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/volume/TestVolumeSetDiskChecks.java > Check Hdds Volumes for errors > - > > Key: HDDS-989 > URL: https://issues.apache.org/jira/browse/HDDS-989 > Project: Hadoop Distributed Data Store > Issue Type: Improvement > Components: Ozone Datanode >Reporter: Arpit Agarwal >Assignee: Arpit Agarwal >Priority: Major > Fix For: 0.4.0 > > Attachments: HDDS-989.01.patch, HDDS-989.02.patch, HDDS-989.03.patch, > HDDS-989.04.patch, HDDS-989.05.patch, HDDS-989.06.patch > > > HDDS volumes should be checked for errors periodically. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDDS-989) Check Hdds Volumes for errors
[ https://issues.apache.org/jira/browse/HDDS-989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arpit Agarwal updated HDDS-989: --- Description: HDDS volumes should be checked for errors periodically. This Jira introduces volume checks on Ozone DN startup and periodically (once every 15 minutes by default). The volume checker logic is borrowed from HDFS, although some code duplication is necessary because the HDFS classes are package-private. This patch just detects the volume failure. Failure handling will be added in HDDS-1008. was:HDDS volumes should be checked for errors periodically. > Check Hdds Volumes for errors > - > > Key: HDDS-989 > URL: https://issues.apache.org/jira/browse/HDDS-989 > Project: Hadoop Distributed Data Store > Issue Type: Improvement > Components: Ozone Datanode >Reporter: Arpit Agarwal >Assignee: Arpit Agarwal >Priority: Major > Fix For: 0.4.0 > > Attachments: HDDS-989.01.patch, HDDS-989.02.patch, HDDS-989.03.patch, > HDDS-989.04.patch, HDDS-989.05.patch, HDDS-989.06.patch > > > HDDS volumes should be checked for errors periodically. > This Jira introduces volume checks on Ozone DN startup and periodically (once > every 15 minutes by default). The volume checker logic is borrowed from HDFS, > although some code duplication is necessary because the HDFS classes are > package-private. > This patch just detects the volume failure. Failure handling will be added in > HDDS-1008. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDDS-989) Check Hdds Volumes for errors
[ https://issues.apache.org/jira/browse/HDDS-989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arpit Agarwal updated HDDS-989: --- Resolution: Fixed Fix Version/s: 0.4.0 Target Version/s: (was: 0.4.0) Status: Resolved (was: Patch Available) Thank you for the reviews [~linyiqun]! I've committed this. If there's follow up comments we can handle them separately. > Check Hdds Volumes for errors > - > > Key: HDDS-989 > URL: https://issues.apache.org/jira/browse/HDDS-989 > Project: Hadoop Distributed Data Store > Issue Type: Improvement > Components: Ozone Datanode >Reporter: Arpit Agarwal >Assignee: Arpit Agarwal >Priority: Major > Fix For: 0.4.0 > > Attachments: HDDS-989.01.patch, HDDS-989.02.patch, HDDS-989.03.patch, > HDDS-989.04.patch, HDDS-989.05.patch, HDDS-989.06.patch > > > HDDS volumes should be checked for errors periodically. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDDS-1016) Allow marking containers as unhealthy
[ https://issues.apache.org/jira/browse/HDDS-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arpit Agarwal updated HDDS-1016: Issue Type: Improvement (was: Bug) > Allow marking containers as unhealthy > - > > Key: HDDS-1016 > URL: https://issues.apache.org/jira/browse/HDDS-1016 > Project: Hadoop Distributed Data Store > Issue Type: Improvement >Reporter: Arpit Agarwal >Assignee: Arpit Agarwal >Priority: Major > > Containers support an unhealthy state but currently the Container interface > on the DataNodes does not expose a way to mark containers as unhealthy. > We can also make a few locking improvements to the KeyValueContainer class. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDDS-1008) Invalidate closed container replicas on a failed volume
[ https://issues.apache.org/jira/browse/HDDS-1008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arpit Agarwal updated HDDS-1008: Component/s: Ozone Datanode > Invalidate closed container replicas on a failed volume > --- > > Key: HDDS-1008 > URL: https://issues.apache.org/jira/browse/HDDS-1008 > Project: Hadoop Distributed Data Store > Issue Type: Improvement > Components: Ozone Datanode >Reporter: Arpit Agarwal >Assignee: Arpit Agarwal >Priority: Major > > When a volume is detected as failed, all closed containers on the volume > should be marked as invalid. > Open containers will be handled separately. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDDS-1016) Allow marking containers as unhealthy
[ https://issues.apache.org/jira/browse/HDDS-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Arpit Agarwal updated HDDS-1016: Component/s: Ozone Datanode > Allow marking containers as unhealthy > - > > Key: HDDS-1016 > URL: https://issues.apache.org/jira/browse/HDDS-1016 > Project: Hadoop Distributed Data Store > Issue Type: Improvement > Components: Ozone Datanode >Reporter: Arpit Agarwal >Assignee: Arpit Agarwal >Priority: Major > > Containers support an unhealthy state but currently the Container interface > on the DataNodes does not expose a way to mark containers as unhealthy. > We can also make a few locking improvements to the KeyValueContainer class. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Created] (HDDS-1016) Allow marking containers as unhealthy
Arpit Agarwal created HDDS-1016: --- Summary: Allow marking containers as unhealthy Key: HDDS-1016 URL: https://issues.apache.org/jira/browse/HDDS-1016 Project: Hadoop Distributed Data Store Issue Type: Bug Reporter: Arpit Agarwal Assignee: Arpit Agarwal Containers support an unhealthy state but currently the Container interface on the DataNodes does not expose a way to mark containers as unhealthy. We can also make a few locking improvements to the KeyValueContainer class. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Comment Edited] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753494#comment-16753494 ] Pranay Singh edited comment on HDFS-14084 at 1/27/19 5:35 PM: -- The above failures are related to changing the package details (org.apache.hadoop.hdfs) from org.apache.hadoop.hdfs.client.impl. The test fails as it uses classes that are only found in "org.apache.hadoop.hdfs" package, so I have moved TestClientMetrics.java under directory hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs. was (Author: pranay_singh): The above failures are related to changing the package details (below) from org.apache.hadoop.hdfs.client.impl. The test fails as it uses classes that are only found in "org.apache.hadoop.hdfs" package, so I have moved TestClientMetrics.java under directory hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs package org.apache.hadoop.hdfs > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Status: In Progress (was: Patch Available) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753494#comment-16753494 ] Pranay Singh commented on HDFS-14084: - The above failures are related to changing the package details (below) from org.apache.hadoop.hdfs.client.impl. The test fails as it uses classes that are only found in "org.apache.hadoop.hdfs" package, so I have moved TestClientMetrics.java under directory hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs package org.apache.hadoop.hdfs > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Status: Patch Available (was: In Progress) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Attachment: HDFS-14084.015.patch > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Attachment: (was: HDFS-14084.015.patch) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-14084) Need for more stats in DFSClient
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https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16753477#comment-16753477
]
Hadoop QA commented on HDFS-14084:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 9s{color}
| {color:red} HDFS-14084 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-14084 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12956501/HDFS-14084.015.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/26065/console |
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This message was automatically generated.
> Need for more stats in DFSClient
>
>
> Key: HDFS-14084
> URL: https://issues.apache.org/jira/browse/HDFS-14084
> Project: Hadoop HDFS
> Issue Type: Improvement
>Affects Versions: 3.0.0
>Reporter: Pranay Singh
>Assignee: Pranay Singh
>Priority: Minor
> Fix For: 3.3.0
>
> Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch,
> HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch,
> HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch,
> HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch,
> HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch,
> HDFS-14084.015.patch
>
>
> The usage of HDFS has changed from being used as a map-reduce filesystem, now
> it's becoming more of like a general purpose filesystem. In most of the cases
> there are issues with the Namenode so we have metrics to know the workload or
> stress on Namenode.
> However, there is a need to have more statistics collected for different
> operations/RPCs in DFSClient to know which RPC operations are taking longer
> time or to know what is the frequency of the operation.These statistics can
> be exposed to the users of DFS Client and they can periodically log or do
> some sort of flow control if the response is slow. This will also help to
> isolate HDFS issue in a mixed environment where on a node say we have Spark,
> HBase and Impala running together. We can check the throughput of different
> operation across client and isolate the problem caused because of noisy
> neighbor or network congestion or shared JVM.
> We have dealt with several problems from the field for which there is no
> conclusive evidence as to what caused the problem. If we had metrics or stats
> in DFSClient we would be better equipped to solve such complex problems.
> List of jiras for reference:
> -
> HADOOP-15538 HADOOP-15530 ( client side deadlock)
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[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Status: In Progress (was: Patch Available) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Attachment: HDFS-14084.015.patch > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-14084) Need for more stats in DFSClient
[ https://issues.apache.org/jira/browse/HDFS-14084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pranay Singh updated HDFS-14084: Status: Patch Available (was: In Progress) > Need for more stats in DFSClient > > > Key: HDFS-14084 > URL: https://issues.apache.org/jira/browse/HDFS-14084 > Project: Hadoop HDFS > Issue Type: Improvement >Affects Versions: 3.0.0 >Reporter: Pranay Singh >Assignee: Pranay Singh >Priority: Minor > Fix For: 3.3.0 > > Attachments: HDFS-14084.001.patch, HDFS-14084.002.patch, > HDFS-14084.003.patch, HDFS-14084.004.patch, HDFS-14084.005.patch, > HDFS-14084.006.patch, HDFS-14084.007.patch, HDFS-14084.008.patch, > HDFS-14084.009.patch, HDFS-14084.010.patch, HDFS-14084.011.patch, > HDFS-14084.012.patch, HDFS-14084.013.patch, HDFS-14084.014.patch, > HDFS-14084.015.patch > > > The usage of HDFS has changed from being used as a map-reduce filesystem, now > it's becoming more of like a general purpose filesystem. In most of the cases > there are issues with the Namenode so we have metrics to know the workload or > stress on Namenode. > However, there is a need to have more statistics collected for different > operations/RPCs in DFSClient to know which RPC operations are taking longer > time or to know what is the frequency of the operation.These statistics can > be exposed to the users of DFS Client and they can periodically log or do > some sort of flow control if the response is slow. This will also help to > isolate HDFS issue in a mixed environment where on a node say we have Spark, > HBase and Impala running together. We can check the throughput of different > operation across client and isolate the problem caused because of noisy > neighbor or network congestion or shared JVM. > We have dealt with several problems from the field for which there is no > conclusive evidence as to what caused the problem. If we had metrics or stats > in DFSClient we would be better equipped to solve such complex problems. > List of jiras for reference: > - > HADOOP-15538 HADOOP-15530 ( client side deadlock) -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
