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Posted to hdfs-issues@hadoop.apache.org by "Aravindan Vijayan (Jira)" <ji...@apache.org> on 2019/09/19 05:13:00 UTC
[jira] [Commented] (HDDS-2152) Ozone client fails with OOM while
writing a large (~300MB) key.
[ https://issues.apache.org/jira/browse/HDDS-2152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16933058#comment-16933058 ]
Aravindan Vijayan commented on HDDS-2152:
-----------------------------------------
We need to fix / workaround HDDS-2151 to investigate this.
> Ozone client fails with OOM while writing a large (~300MB) key.
> ---------------------------------------------------------------
>
> Key: HDDS-2152
> URL: https://issues.apache.org/jira/browse/HDDS-2152
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Client
> Reporter: Aravindan Vijayan
> Priority: Major
>
> {code}
> dd if=/dev/zero of=testfile bs=1024 count=307200
> ozone sh key put /vol1/bucket1/key testfile
> {code}
> {code}
> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57) at java.nio.ByteBuffer.allocate(ByteBuffer.java:335) at org.apache.hadoop.hdds.scm.storage.BufferPool.allocateBufferIfNeeded(BufferPool.java:66) at org.apache.hadoop.hdds.scm.storage.BlockOutputStream.write(BlockOutputStream.java:234) at org.apache.hadoop.ozone.client.io.BlockOutputStreamEntry.write(BlockOutputStreamEntry.java:129) at org.apache.hadoop.ozone.client.io.KeyOutputStream.handleWrite(KeyOutputStream.java:211) at org.apache.hadoop.ozone.client.io.KeyOutputStream.write(KeyOutputStream.java:193) at org.apache.hadoop.ozone.client.io.OzoneOutputStream.write(OzoneOutputStream.java:49) at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:96) at org.apache.hadoop.ozone.web.ozShell.keys.PutKeyHandler.call(PutKeyHandler.java:117) at org.apache.hadoop.ozone.web.ozShell.keys.PutKeyHandler.call(PutKeyHandler.java:55) at picocli.CommandLine.execute(CommandLine.java:1173) at picocli.CommandLine.access$800(CommandLine.java:141)
> {code}
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