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https://issues.apache.org/jira/browse/CASSANDRA-10479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14948663#comment-14948663
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Sharvanath Pathak commented on CASSANDRA-10479:
-----------------------------------------------
Relates to https://issues.apache.org/jira/browse/CASSANDRA-9812.
> Handling partially written sstables on node crashes
> ---------------------------------------------------
>
> Key: CASSANDRA-10479
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10479
> Project: Cassandra
> Issue Type: Bug
> Reporter: Sharvanath Pathak
>
> Currently a power loss can potentially require manual intervention to bring
> Cassandra back up. Essentially, these partially written SStables are
> considered as corrupt, and we see the following trace quite often on hard
> reboots:
> {noformat}
> INFO [SSTableBatchOpen:1] 2015-09-29 19:24:39,170 SSTableReader.java:478 -
> Opening
> /var/lib/cassandra/data/system/compactions_in_progress-55080ab05d9c388690a4acb25fe1f77b/system-compactions_in_progress-ka-13368
> (79 bytes)
> ERROR [SSTableBatchOpen:1] 2015-09-29 19:24:39,177 FileUtils.java:447 -
> Exiting forcefully due to file system exception on startup, disk failure
> policy "stop"
> org.apache.cassandra.io.sstable.CorruptSSTableException: java.io.EOFException
> at
> org.apache.cassandra.io.compress.CompressionMetadata.<init>(CompressionMetadata.java:131)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.compress.CompressionMetadata.create(CompressionMetadata.java:85)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.util.CompressedSegmentedFile$Builder.metadata(CompressedSegmentedFile.java:79)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.util.CompressedPoolingSegmentedFile$Builder.complete(CompressedPoolingSegmentedFile.java:72)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.util.SegmentedFile$Builder.complete(SegmentedFile.java:168)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:752)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:703)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:491)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:387)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> org.apache.cassandra.io.sstable.SSTableReader$4.run(SSTableReader.java:534)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> [na:1.7.0_80]
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> [na:1.7.0_80]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_80]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_80]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_80]
> Caused by: java.io.EOFException: null
> at
> java.io.DataInputStream.readUnsignedShort(DataInputStream.java:340)
> ~[na:1.7.0_80]
> at java.io.DataInputStream.readUTF(DataInputStream.java:589)
> ~[na:1.7.0_80]
> at java.io.DataInputStream.readUTF(DataInputStream.java:564)
> ~[na:1.7.0_80]
> at
> org.apache.cassandra.io.compress.CompressionMetadata.<init>(CompressionMetadata.java:106)
> ~[apache-cassandra-2.1.9.jar:2.1.9]
> ... 14 common frames omitted
> {noformat}
> Deleting partially written sstables might be a perfectly valid thing to do
> (given that the data is present in commitlogs).
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