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Date: Wed, 3 Apr 2013 16:35:15 +0000 (UTC)
From: "Jonathan Ellis (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Message-ID: <JIRA.12640117.1364824861360.99655.1365006915195@arcas>
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Subject: [jira] [Updated] (CASSANDRA-5410) incremental backups race
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     [ https://issues.apache.org/jira/browse/CASSANDRA-5410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-5410:
--------------------------------------

    Attachment: 5410.txt

Patch to snapshot synchronously before creating a new View.
                
> incremental backups race
> ------------------------
>
>                 Key: CASSANDRA-5410
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5410
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.0.0
>            Reporter: Jonathan Ellis
>            Priority: Minor
>             Fix For: 1.2.4
>
>         Attachments: 5410.txt
>
>
> incremental backups does not mark things referenced or compacting, so it could get compacted away before createLinks runs.  Occasionally you can see this happen during ColumnFamilyStoreTest.  (Since it runs on the background tasks stage, it does not fail the test.)
> {noformat}
>     [junit] java.lang.RuntimeException: Tried to hard link to file that does not exist build/test/cassandra/data/Keyspace1/Standard1/Keyspace1-Standard1-ja-8-Statistics.db
>     [junit] 	at org.apache.cassandra.io.util.FileUtils.createHardLink(FileUtils.java:72)
>     [junit] 	at org.apache.cassandra.io.sstable.SSTableReader.createLinks(SSTableReader.java:1066)
>     [junit] 	at org.apache.cassandra.db.DataTracker$1.run(DataTracker.java:168)
>     [junit] 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
>     [junit] 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>     [junit] 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>     [junit] 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
> {noformat}

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