[jira] [Commented] (HDFS-13224) RBF: Mount points across multiple subclusters
[
https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16388929#comment-16388929
]
Íñigo Goiri commented on HDFS-13224:
{quote}
In addition, the patch looks a little big and not convenient to review. Based
on the order type, can we split the patch into three part:
# The basic implementation of OrderedResolver, including the LocalResolver and
RandomResolver.
# Implement the hash resolver, including the HashFirstResolverand and
HashResolver.
# Available space based order type could be the third part. I can help
implement this if you are busy.
{quote}
Agreed. I may even do one just for the RouterRpcServer, let me try to split
locally this into pieces and I may do it in 3 or 4 JIRAs.
I'll create one for the space based one and assign it to you.
I'll give it a try tomorrow.
> RBF: Mount points across multiple subclusters
> -
>
> Key: HDFS-13224
> URL: https://issues.apache.org/jira/browse/HDFS-13224
> Project: Hadoop HDFS
> Issue Type: Sub-task
>Reporter: Íñigo Goiri
>Assignee: Íñigo Goiri
>Priority: Major
> Attachments: HDFS-13224.000.patch, HDFS-13224.001.patch,
> HDFS-13224.002.patch
>
>
> Currently, a mount point points to a single subcluster. We should be able to
> spread files in a mount point across subclusters.
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[jira] [Commented] (HDFS-13224) RBF: Mount points across multiple subclusters
[
https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16388917#comment-16388917
]
Yiqun Lin commented on HDFS-13224:
--
Hi [~elgoiri],
{quote}That sounds good. My only concern is the size of the patch (I'm even
considering removing some stuff from the current one). What about doing it in a
follow-up JIRA?
{quote}
Yes, we can file anther JIRA for tracking this and using the same idea in
HDFS-8131 that [~ywskycn] mentioned.
In addition, the patch looks a little big and not convenient to review. Based
on the order type, can we split the patch into three part:
* The basic implementation of OrderedResolver, including the LocalResolver and
RandomResolver.
* Implement the hash resolver, including the HashFirstResolverand and
HashResolver.
* Available space based order type could be the third part. I can help
implement this if you are busy.
> RBF: Mount points across multiple subclusters
> -
>
> Key: HDFS-13224
> URL: https://issues.apache.org/jira/browse/HDFS-13224
> Project: Hadoop HDFS
> Issue Type: Sub-task
>Reporter: Íñigo Goiri
>Assignee: Íñigo Goiri
>Priority: Major
> Attachments: HDFS-13224.000.patch, HDFS-13224.001.patch,
> HDFS-13224.002.patch
>
>
> Currently, a mount point points to a single subcluster. We should be able to
> spread files in a mount point across subclusters.
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[jira] [Commented] (HDFS-13224) RBF: Mount points across multiple subclusters
[ https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16388160#comment-16388160 ] Wei Yan commented on HDFS-13224: For the available space policy, it could follow the same idea in HDFS-8131. In short, using a higher probability (instead of "always") to choose the cluster with higher available space. > RBF: Mount points across multiple subclusters > - > > Key: HDFS-13224 > URL: https://issues.apache.org/jira/browse/HDFS-13224 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Íñigo Goiri >Assignee: Íñigo Goiri >Priority: Major > Attachments: HDFS-13224.000.patch, HDFS-13224.001.patch, > HDFS-13224.002.patch > > > Currently, a mount point points to a single subcluster. We should be able to > spread files in a mount point across subclusters. -- 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-13224) RBF: Mount points across multiple subclusters
[ https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16388145#comment-16388145 ] Íñigo Goiri commented on HDFS-13224: Thanks [~linyiqun] for the comments. # I actually just went through the ones that were more relevant for our workloads, I didn't do an exhaustive pass. I'll do this in the next iteration. # That sounds good. My only concern is the size of the patch (I'm even considering removing some stuff from the current one). What about doing it in a follow-up JIRA? I'm thinking on adding an extra JIRA to document this carefully. > RBF: Mount points across multiple subclusters > - > > Key: HDFS-13224 > URL: https://issues.apache.org/jira/browse/HDFS-13224 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Íñigo Goiri >Assignee: Íñigo Goiri >Priority: Major > Attachments: HDFS-13224.000.patch, HDFS-13224.001.patch, > HDFS-13224.002.patch > > > Currently, a mount point points to a single subcluster. We should be able to > spread files in a mount point across subclusters. -- 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-13224) RBF: Mount points across multiple subclusters
[
https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16388042#comment-16388042
]
Yiqun Lin commented on HDFS-13224:
--
[~elgoiri], the initial design and patch looks good overall. Just two comments:
1.In some RPC calls like {{setPermission}}, we do the check of
{{(isPathAll(src)) and do the {{invokeConcurrent}}. But in some other places,
we don't do this, any difference between these places? I mean that why we don't
do the check \{{isPathAll(src))}} in all Router server RPC calls. This looks a
little confused.
2. One new order type that based on the available space in destination cluster
may also needed. That is say, users will write files into the destination
cluster which has the most available space.
> RBF: Mount points across multiple subclusters
> -
>
> Key: HDFS-13224
> URL: https://issues.apache.org/jira/browse/HDFS-13224
> Project: Hadoop HDFS
> Issue Type: Sub-task
>Reporter: Íñigo Goiri
>Assignee: Íñigo Goiri
>Priority: Major
> Attachments: HDFS-13224.000.patch, HDFS-13224.001.patch,
> HDFS-13224.002.patch
>
>
> Currently, a mount point points to a single subcluster. We should be able to
> spread files in a mount point across subclusters.
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[jira] [Commented] (HDFS-13224) RBF: Mount points across multiple subclusters
[
https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16387091#comment-16387091
]
genericqa commented on HDFS-13224:
--
| (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
16s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 2 new or modified test
files. {color} |
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 14m
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
52s{color} | {color:green} trunk passed {color} |
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54s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
13m 24s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
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51s{color} | {color:green} the patch passed {color} |
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|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 96m 54s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
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{color} |
| {color:black}{color} | {color:black} {color} | {color:black}146m 35s{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestLeaseRecovery2 |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
| | hadoop.hdfs.server.federation.router.TestRouterHashResolver |
| | hadoop.hdfs.web.TestWebHdfsTimeouts |
| | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
| | hadoop.hdfs.server.federation.resolver.TestMultipleDestinationResolver |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:d4cc50f |
| JIRA Issue | HDFS-13224 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12913115/HDFS-13224.002.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux a8a69f581f69 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12
13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 245751f |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/23306/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/23306/testReport/ |
| Max.
[jira] [Commented] (HDFS-13224) RBF: Mount points across multiple subclusters
[
https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16387012#comment-16387012
]
Íñigo Goiri commented on HDFS-13224:
Thanks [~ywskycn] for the comments.
* {{RANDOM}} should do the same yes. However, we have been setting up manually
and using it as read only so it wasn't that relevant. I'll have to do some work
to fully support RANDOM. I'm not sure how to support writing files though.
* I think {{HashFirstResolver}} it's using the super class {{HashResolver}} to
do the temporary file extraction.
> RBF: Mount points across multiple subclusters
> -
>
> Key: HDFS-13224
> URL: https://issues.apache.org/jira/browse/HDFS-13224
> Project: Hadoop HDFS
> Issue Type: Sub-task
>Reporter: Íñigo Goiri
>Assignee: Íñigo Goiri
>Priority: Major
> Attachments: HDFS-13224.000.patch, HDFS-13224.001.patch,
> HDFS-13224.002.patch
>
>
> Currently, a mount point points to a single subcluster. We should be able to
> spread files in a mount point across subclusters.
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[jira] [Commented] (HDFS-13224) RBF: Mount points across multiple subclusters
[ https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16386998#comment-16386998 ] Wei Yan commented on HDFS-13224: Thanks for the patch, [~elgoiri]. Took a quick pass, and the entire design LGTM. Have some questions here: * RouterRpcServer.isPathAll() function, currently it returns true if mount point is HASH_ALL. For some others like RANDOM, it should also return true, right? * For HashFirstResolver, do we also need to handle temorary naming pattern there? One minor thing, in MultipleDestinationMountTableResolver.java, the javadoc "It has three options to order the locations:" should be updated to four. > RBF: Mount points across multiple subclusters > - > > Key: HDFS-13224 > URL: https://issues.apache.org/jira/browse/HDFS-13224 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Íñigo Goiri >Assignee: Íñigo Goiri >Priority: Major > Attachments: HDFS-13224.000.patch, HDFS-13224.001.patch, > HDFS-13224.002.patch > > > Currently, a mount point points to a single subcluster. We should be able to > spread files in a mount point across subclusters. -- 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-13224) RBF: Mount points across multiple subclusters
[
https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16386831#comment-16386831
]
genericqa commented on HDFS-13224:
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:d4cc50f |
| JIRA Issue | HDFS-13224 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12913105/HDFS-13224.001.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux a77d9d3f5941 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18
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| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 245751f |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| mvninstall |
https://builds.apache.org/job/PreCommit-HDFS-Build/23305/artifact/out/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt
|
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https://builds.apache.org/job/PreCommit-HDFS-Build/23305/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs.txt
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| javac |
https://builds.apache.org/job/PreCommit-HDFS-Build/23305/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs.txt
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[jira] [Commented] (HDFS-13224) RBF: Mount points across multiple subclusters
[
https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16386638#comment-16386638
]
genericqa commented on HDFS-13224:
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generated 7 new + 0 unchanged - 0 fixed = 7 total (was 0) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red} 0m
31s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m
0s{color} | {color:red} The patch has 2 line(s) that end in whitespace. Use git
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply
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| {color:red}-1{color} | {color:red} shadedclient {color} | {color:red} 3m
40s{color} | {color:red} patch has errors when building and testing our client
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| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m
34s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 0m
52s{color} | {color:red} hadoop-hdfs-project_hadoop-hdfs generated 3 new + 1
unchanged - 0 fixed = 4 total (was 1) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 0m 33s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
21s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 45m 6s{color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:d4cc50f |
| JIRA Issue | HDFS-13224 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12913089/HDFS-13224.000.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit shadedclient findbugs checkstyle |
| uname | Linux 06057b053889 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9
14:43:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 2e1e049 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| mvninstall |
https://builds.apache.org/job/PreCommit-HDFS-Build/23301/artifact/out/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt
|
| compile |
https://builds.apache.org/job/PreCommit-HDFS-Build/23301/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs.txt
|
| javac |
[jira] [Commented] (HDFS-13224) RBF: Mount points across multiple subclusters
[ https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16386553#comment-16386553 ] Íñigo Goiri commented on HDFS-13224: I should add some documentation at some point (maybe a separate JIRA?) but the idea is that one can specify multiple subclusters for a mount point. However, there are different approaches to doing this, currently we have: * HASH: use consistent hashing at the first mount point level and decide based on this. * LOCAL: use the local subcluster (this one is good for locality) * RANDOM: pick a random subcluster (good for load balancing) * HASH_ALL: distributes all the files in the mount point subtree using consistent hashing. The problem with this approach is that it requires all the tree structure (subfolders) to be in all subclusters. We have all these working internally but seems to be a preference for HASH_ALL even though it has some limitations. It may make sense to split this into a couple JIRAs. Anyway, let's get some feedback and proposals on [^HDFS-13224.000.patch] for now. > RBF: Mount points across multiple subclusters > - > > Key: HDFS-13224 > URL: https://issues.apache.org/jira/browse/HDFS-13224 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Íñigo Goiri >Assignee: Íñigo Goiri >Priority: Major > Attachments: HDFS-13224.000.patch > > > Currently, a mount point points to a single subcluster. We should be able to > spread files in a mount point across subclusters. -- 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-13224) RBF: Mount points across multiple subclusters
[ https://issues.apache.org/jira/browse/HDFS-13224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16385605#comment-16385605 ] Íñigo Goiri commented on HDFS-13224: This would be similar to what HADOOP-8298 proposes. I'll post a patch with it during this week. > RBF: Mount points across multiple subclusters > - > > Key: HDFS-13224 > URL: https://issues.apache.org/jira/browse/HDFS-13224 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Íñigo Goiri >Assignee: Íñigo Goiri >Priority: Major > > Currently, a mount point points to a single subcluster. We should be able to > spread files in a mount point across subclusters. -- 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
