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Posted to commits@cassandra.apache.org by "Jeff Jirsa (JIRA)" <ji...@apache.org> on 2017/03/23 00:16:41 UTC
[jira] [Assigned] (CASSANDRA-12728) Handling partially written hint
files
[ https://issues.apache.org/jira/browse/CASSANDRA-12728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jeff Jirsa reassigned CASSANDRA-12728:
--------------------------------------
Assignee: Jeff Jirsa
> Handling partially written hint files
> -------------------------------------
>
> Key: CASSANDRA-12728
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12728
> Project: Cassandra
> Issue Type: Bug
> Reporter: Sharvanath Pathak
> Assignee: Jeff Jirsa
> Labels: lhf
> Attachments: CASSANDRA-12728.patch
>
>
> {noformat}
> ERROR [HintsDispatcher:1] 2016-09-28 17:44:43,397 HintsDispatchExecutor.java:225 - Failed to dispatch hints file d5d7257c-9f81-49b2-8633-6f9bda6e3dea-1474892654160-1.hints: file is corrupted ({})
> org.apache.cassandra.io.FSReadError: java.io.EOFException
> at org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:282) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:252) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsDispatcher.sendHints(HintsDispatcher.java:156) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsDispatcher.sendHintsAndAwait(HintsDispatcher.java:137) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:119) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsDispatcher.dispatch(HintsDispatcher.java:91) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.deliver(HintsDispatchExecutor.java:259) [apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:242) [apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.dispatch(HintsDispatchExecutor.java:220) [apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsDispatchExecutor$DispatchHintsTask.run(HintsDispatchExecutor.java:199) [apache-cassandra-3.0.6.jar:3.0.6]
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_77]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_77]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_77]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_77]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> Caused by: java.io.EOFException: null
> at org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:68) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.ChecksummedDataInput.readFully(ChecksummedDataInput.java:126) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:402) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsReader$BuffersIterator.readBuffer(HintsReader.java:310) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNextInternal(HintsReader.java:301) ~[apache-cassandra-3.0.6.jar:3.0.6]
> at org.apache.cassandra.hints.HintsReader$BuffersIterator.computeNext(HintsReader.java:278) ~[apache-cassandra-3.0.6.jar:3.0.6]
> ... 15 common frames omitted
> {noformat}
> We've found out that the hint file was truncated because there was a hard reboot around the time of last write to the file. I think we basically need to handle partially written hint files. Also, the CRC file does not exist in this case (probably because it crashed while writing the hints file). May be ignoring and cleaning up such partially written hint files can be a way to fix this?
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