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https://issues.apache.org/jira/browse/HBASE-11042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13975340#comment-13975340
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Hudson commented on HBASE-11042:
--------------------------------
SUCCESS: Integrated in HBase-0.94-security #478 (See
[https://builds.apache.org/job/HBase-0.94-security/478/])
HBASE-11042 TestForceCacheImportantBlocks OOMs occasionally in 0.94. (larsh:
rev 1588841)
*
/hbase/branches/0.94/src/test/java/org/apache/hadoop/hbase/io/hfile/TestForceCacheImportantBlocks.java
> TestForceCacheImportantBlocks OOMs occasionally in 0.94
> -------------------------------------------------------
>
> Key: HBASE-11042
> URL: https://issues.apache.org/jira/browse/HBASE-11042
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Fix For: 0.94.19
>
> Attachments: 11042-0.94.txt
>
>
> This trace:
> {code}
> Caused by: java.lang.OutOfMemoryError
> at java.util.zip.Deflater.init(Native Method)
> at java.util.zip.Deflater.<init>(Deflater.java:169)
> at java.util.zip.GZIPOutputStream.<init>(GZIPOutputStream.java:91)
> at java.util.zip.GZIPOutputStream.<init>(GZIPOutputStream.java:110)
> at
> org.apache.hadoop.hbase.io.hfile.ReusableStreamGzipCodec$ReusableGzipOutputStream$ResetableGZIPOutputStream.<init>(ReusableStreamGzipCodec.java:79)
> at
> org.apache.hadoop.hbase.io.hfile.ReusableStreamGzipCodec$ReusableGzipOutputStream.<init>(ReusableStreamGzipCodec.java:90)
> at
> org.apache.hadoop.hbase.io.hfile.ReusableStreamGzipCodec.createOutputStream(ReusableStreamGzipCodec.java:130)
> at
> org.apache.hadoop.io.compress.GzipCodec.createOutputStream(GzipCodec.java:101)
> at
> org.apache.hadoop.hbase.io.hfile.Compression$Algorithm.createPlainCompressionStream(Compression.java:299)
> at
> org.apache.hadoop.hbase.io.hfile.Compression$Algorithm.createCompressionStream(Compression.java:283)
> at
> org.apache.hadoop.hbase.io.hfile.HFileWriterV1.getCompressingStream(HFileWriterV1.java:207)
> at
> org.apache.hadoop.hbase.io.hfile.HFileWriterV1.close(HFileWriterV1.java:356)
> at
> org.apache.hadoop.hbase.regionserver.StoreFile$Writer.close(StoreFile.java:1330)
> at
> org.apache.hadoop.hbase.regionserver.Store.internalFlushCache(Store.java:913)
> {code}
> Note that is caused specifically by HFileWriteV1 when using compression. It
> looks like the compression resources are not released.
> Not sure it's worth fixing this at this point. The test can be fixed by
> either not using compression (why are we using compression anyway), or by not
> testing for HFileV1.
> [~stack] it seems you know the the code in HFileWriterV1. Do you want to have
> a look? Maybe there is a quick fix in HFileWriterV1.
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