[jira] [Commented] (HDFS-16726) There is a memory-related problem about HDFS namenode
[ https://issues.apache.org/jira/browse/HDFS-16726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17797090#comment-17797090 ] Yanlei Yu commented on HDFS-16726: -- [~zinx] hi,You mean upgrade jdk to 12 and remove G1RSetRegionEntries param. After that, you can solve the problem? > There is a memory-related problem about HDFS namenode > - > > Key: HDFS-16726 > URL: https://issues.apache.org/jira/browse/HDFS-16726 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs, namenode >Affects Versions: 2.7.2 > Environment: -Xms280G -Xmx280G -XX:MaxDirectMemorySize=10G > -XX:MetaspaceSize=128M -server \ > -XX:+UseG1GC -XX:+UseStringDeduplication > -XX:MaxGCPauseMillis=250 -XX:+UnlockExperimentalVMOptions > -XX:+PrintGCApplicationStoppedTime -XX:+PrintSafepointStatistics > -XX:PrintSafepointStatisticsCount=1 \ > -XX:G1OldCSetRegionThresholdPercent=1 > -XX:G1MixedGCCountTarget=9 -XX:+SafepointTimeout > -XX:SafepointTimeoutDelay=4000 \ > -XX:ParallelGCThreads=24 -XX:ConcGCThreads=6 > -XX:G1RSetRegionEntries=4096 -XX:+AggressiveOpts -XX:+DisableExplicitGC \ > -XX:G1HeapWastePercent=9 > -XX:G1MixedGCLiveThresholdPercent=85 -XX:InitiatingHeapOccupancyPercent=75 \ > -XX:+ParallelRefProcEnabled -XX:-ResizePLAB > -XX:+PrintAdaptiveSizePolicy \ > -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps \ > -Xloggc:$HADOOP_LOG_DIR/namenode.gc.log \ > -XX:+HeapDumpOnOutOfMemoryError > -XX:ErrorFile=$HADOOP_LOG_DIR/hs_err_pid%p.log > -XX:HeapDumpPath=$HADOOP_LOG_DIR \ > -Dcom.sun.management.jmxremote \ > -Dcom.sun.management.jmxremote.port=9009 \ > -Dcom.sun.management.jmxremote.ssl=false \ > -Dcom.sun.management.jmxremote.authenticate=false \ > $HADOOP_NAMENODE_OPTS >Reporter: Yanlei Yu >Priority: Critical > > In the cluster, the memory usage of Namenode exceeds the XMX setting (XMX > =280GB). The actual memory usage of Namenode is 479GB > Output via pamp: > Address Perm Offset Device Inode Size Rss Pss > Referenced Anonymous Swap Locked Mapping > 2b42f000 rw-p 00:00 0 294174720 293756960 293756960 > 293756960 293756960 0 0 > 01e21000 rw-p 00:00 0 195245456 195240848 195240848 > 195240848 195240848 0 0 [heap] > 2b897c00 rw-p 00:00 0 9246724 9246724 9246724 > 9246724 9246724 0 0 > 2b8bb0905000 rw-p 00:00 0 1781124 1754572 1754572 > 1754572 1754572 0 0 > 2b893600 rw-p 00:00 0 1146880 1002084 1002084 > 1002084 1002084 0 0 > 2b42db652000 rwxp 00:00 0 57792 55252 55252 > 55252 55252 0 0 > 2b42ec12a000 rw-p 00:00 0 25696 24700 24700 > 24700 24700 0 0 > 2b42ef25b000 rw-p 00:00 0 9988 8972 8972 > 8972 8972 0 0 > 2b8c1d467000 rw-p 00:00 0 9216 8204 8204 > 8204 8204 0 0 > 2b8d6f8db000 rw-p 00:00 0 7160 6228 6228 > 6228 6228 0 0 > The first line should configure the memory footprint for XMX, and [heap] is > unusually large, so a memory leak is suspected! > > * [heap] is associated with malloc > After configuring JCMD in the test environment, we found that the malloc part > of Internal in JCMD increased significantly when the client was writing to a > gz file (XMX =40g in the test environment, and the Internal area was 900MB > before the client wrote) : > Total: reserved=47276MB, committed=47070MB > - Java Heap (reserved=40960MB, committed=40960MB) > (mmap: reserved=40960MB, committed=40960MB) > > - Class (reserved=53MB, committed=52MB) > (classes #7423) > (malloc=1MB #17053) > (mmap: reserved=52MB, committed=52MB) > > - Thread (reserved=2145MB, committed=2145MB) > (thread #2129) > (stack: reserved=2136MB, committed=2136MB) > (malloc=7MB #10673) > (arena=2MB #4256) > > - Code (reserved=251MB, committed=45MB) > (malloc=7MB #10661) > (mmap: reserved=244MB, committed=38MB) > > -
[jira] [Created] (HDFS-17291) DataNode metric bytesWritten is not totally accurate in some situations.
farmmamba created HDFS-17291: Summary: DataNode metric bytesWritten is not totally accurate in some situations. Key: HDFS-17291 URL: https://issues.apache.org/jira/browse/HDFS-17291 Project: Hadoop HDFS Issue Type: Improvement Components: datanode Affects Versions: 3.3.6 Reporter: farmmamba As the title described, dataNode metric bytesWritten is not totally accurate in some situations, such as failure recovery, re-send data. We should fix it. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-17291) DataNode metric bytesWritten is not totally accurate in some situations.
[ https://issues.apache.org/jira/browse/HDFS-17291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated HDFS-17291: -- Labels: pull-request-available (was: ) > DataNode metric bytesWritten is not totally accurate in some situations. > > > Key: HDFS-17291 > URL: https://issues.apache.org/jira/browse/HDFS-17291 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode >Affects Versions: 3.3.6 >Reporter: farmmamba >Assignee: farmmamba >Priority: Major > Labels: pull-request-available > > As the title described, dataNode metric bytesWritten is not totally accurate > in some situations, such as failure recovery, re-send data. We should fix it. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-17291) DataNode metric bytesWritten is not totally accurate in some situations.
[ https://issues.apache.org/jira/browse/HDFS-17291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17797105#comment-17797105 ] ASF GitHub Bot commented on HDFS-17291: --- hfutatzhanghb commented on PR #6360: URL: https://github.com/apache/hadoop/pull/6360#issuecomment-1857568147 @Hexiaoqiao @ayushtkn @tomscut @zhangshuyan0 Hi, sir. Could you please help me review this simple modification when you have free time? Thanks ahead. > DataNode metric bytesWritten is not totally accurate in some situations. > > > Key: HDFS-17291 > URL: https://issues.apache.org/jira/browse/HDFS-17291 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode >Affects Versions: 3.3.6 >Reporter: farmmamba >Assignee: farmmamba >Priority: Major > Labels: pull-request-available > > As the title described, dataNode metric bytesWritten is not totally accurate > in some situations, such as failure recovery, re-send data. We should fix it. -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-17289) Should not consider the size of non-lastBlocks equals to complete block size.
[
https://issues.apache.org/jira/browse/HDFS-17289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17797167#comment-17797167
]
ASF GitHub Bot commented on HDFS-17289:
---
zhangshuyan0 commented on code in PR #6357:
URL: https://github.com/apache/hadoop/pull/6357#discussion_r1427941430
##
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java:
##
@@ -368,14 +368,14 @@ private DFSOutputStream(DFSClient dfsClient, String src,
}
}
- private void adjustPacketChunkSize(HdfsFileStatus stat) throws IOException{
+ private void adjustPacketChunkSize(LocatedBlock lastBlock) throws
IOException{
-long usedInLastBlock = stat.getLen() % blockSize;
+long usedInLastBlock = lastBlock.getBlockSize() % blockSize;
Review Comment:
Why don't we use `long usedInLastBlock = lastBlock.getBlockSize()` directly?
> Should not consider the size of non-lastBlocks equals to complete block size.
> -
>
> Key: HDFS-17289
> URL: https://issues.apache.org/jira/browse/HDFS-17289
> Project: Hadoop HDFS
> Issue Type: Improvement
>Affects Versions: 3.3.6
>Reporter: farmmamba
>Assignee: farmmamba
>Priority: Major
> Labels: pull-request-available
>
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[jira] [Commented] (HDFS-17289) Should not consider the size of non-lastBlocks equals to complete block size.
[
https://issues.apache.org/jira/browse/HDFS-17289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17797170#comment-17797170
]
ASF GitHub Bot commented on HDFS-17289:
---
hfutatzhanghb commented on code in PR #6357:
URL: https://github.com/apache/hadoop/pull/6357#discussion_r1427952107
##
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java:
##
@@ -368,14 +368,14 @@ private DFSOutputStream(DFSClient dfsClient, String src,
}
}
- private void adjustPacketChunkSize(HdfsFileStatus stat) throws IOException{
+ private void adjustPacketChunkSize(LocatedBlock lastBlock) throws
IOException{
-long usedInLastBlock = stat.getLen() % blockSize;
+long usedInLastBlock = lastBlock.getBlockSize() % blockSize;
Review Comment:
@zhangshuyan0 Sir, Thanks for your reviewing, very nice suggestion. I will
fix it.
> Should not consider the size of non-lastBlocks equals to complete block size.
> -
>
> Key: HDFS-17289
> URL: https://issues.apache.org/jira/browse/HDFS-17289
> Project: Hadoop HDFS
> Issue Type: Improvement
>Affects Versions: 3.3.6
>Reporter: farmmamba
>Assignee: farmmamba
>Priority: Major
> Labels: pull-request-available
>
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[jira] [Commented] (HDFS-17289) Should not consider the size of non-lastBlocks equals to complete block size.
[
https://issues.apache.org/jira/browse/HDFS-17289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17797171#comment-17797171
]
ASF GitHub Bot commented on HDFS-17289:
---
hfutatzhanghb commented on code in PR #6357:
URL: https://github.com/apache/hadoop/pull/6357#discussion_r1427954912
##
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java:
##
@@ -368,14 +368,14 @@ private DFSOutputStream(DFSClient dfsClient, String src,
}
}
- private void adjustPacketChunkSize(HdfsFileStatus stat) throws IOException{
+ private void adjustPacketChunkSize(LocatedBlock lastBlock) throws
IOException{
-long usedInLastBlock = stat.getLen() % blockSize;
+long usedInLastBlock = lastBlock.getBlockSize() % blockSize;
Review Comment:
Have fixed.
> Should not consider the size of non-lastBlocks equals to complete block size.
> -
>
> Key: HDFS-17289
> URL: https://issues.apache.org/jira/browse/HDFS-17289
> Project: Hadoop HDFS
> Issue Type: Improvement
>Affects Versions: 3.3.6
>Reporter: farmmamba
>Assignee: farmmamba
>Priority: Major
> Labels: pull-request-available
>
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[jira] [Commented] (HDFS-17291) DataNode metric bytesWritten is not totally accurate in some situations.
[
https://issues.apache.org/jira/browse/HDFS-17291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17797198#comment-17797198
]
ASF GitHub Bot commented on HDFS-17291:
---
hadoop-yetus commented on PR #6360:
URL: https://github.com/apache/hadoop/pull/6360#issuecomment-1857940102
:broken_heart: **-1 overall**
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[jira] [Commented] (HDFS-17289) Should not consider the size of non-lastBlocks equals to complete block size.
[
https://issues.apache.org/jira/browse/HDFS-17289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17797207#comment-17797207
]
ASF GitHub Bot commented on HDFS-17289:
---
hadoop-yetus commented on PR #6357:
URL: https://github.com/apache/hadoop/pull/6357#issuecomment-1857973804
:broken_heart: **-1 overall**
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| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +0 :ok: | detsecrets | 0m 0s | | detect-secrets was not available.
|
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
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