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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1777) column length is not checked before saved to memstore
Date Wed, 21 Oct 2009 23:22:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Gray updated HBASE-1777:
---------------------------------

    Fix Version/s: 0.20.2

Moving back into 0.20.2... This got moved out and never committed

> column length is not checked before saved to memstore
> -----------------------------------------------------
>
>                 Key: HBASE-1777
>                 URL: https://issues.apache.org/jira/browse/HBASE-1777
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.20.0
>            Reporter: Billy Pearson
>            Assignee: Amandeep Khurana
>             Fix For: 0.20.2, 0.21.0
>
>         Attachments: HBASE-1777.patch
>
>
> I added some debuging to line 511 in HFile.java and found that the column is causing
my problem it was > max size
> we should check this before saving the record to memstore
> As of 0.20.0-RC2 the server dies and cause the hlogs to be read again by the next region
server that gets the region in the end it cause the whole cluster to go down sense the bad
data is in the hlog at this point.
> {code}
> 2009-08-18 12:54:16,572 FATAL 
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Replay of hlog 
> required. Forcing server shutdown
> org.apache.hadoop.hbase.DroppedSnapshotException: region: 
> webdata,http:\x2F\x2Fanaal-genomen.isporno.nl\x2F,1250569930062
>         at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:950)
>         at org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:843)
>         at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:241)
>         at org.apache.hadoop.hbase.regionserver.MemStoreFlusher.run(MemStoreFlusher.java:149)
> Caused by: java.io.IOException: Key length 183108 > 65536
>         at org.apache.hadoop.hbase.io.hfile.HFile$Writer.checkKey(HFile.java:511)
>         at org.apache.hadoop.hbase.io.hfile.HFile$Writer.append(HFile.java:479)
>         at org.apache.hadoop.hbase.io.hfile.HFile$Writer.append(HFile.java:447)
>         at org.apache.hadoop.hbase.regionserver.Store.internalFlushCache(Store.java:525)
>         at org.apache.hadoop.hbase.regionserver.Store.flushCache(Store.java:489)
>         at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:935)
>         ... 3 more
> {code}

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