when a regionserver shuts down writes in progress are no retried by the client
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Key: HBASE-1752
URL: https://issues.apache.org/jira/browse/HBASE-1752
Project: Hadoop HBase
Issue Type: Bug
Reporter: Andrew Purtell
Fix For: 0.20.0
When a regionserver aborts, there is a window where clients are continuing to
try to write to it, but the writes are failing:
{noformat}
Aug 4, 2009 6:47:25 AM net.iridiant.heritrix.writer.HBaseWriterProcessor
innerProcessResult
SEVERE: Failed write of Record:
http://www.rdc.udel.edu/reports/development/profdev.pdf (in thread 'ToeThread
#3: http://www.rdc.udel.edu/reports/development/profdev.pdf'; in processor
'Archiver')
java.io.IOException: org.apache.hadoop.hbase.client.RetriesExhaustedException:
Trying to contact region server 172.20.3.229:60020 for region
content,23d6b92bc7eb100fc1294e6b124b7e75,1249198098627, row
'23d6b92bc7eb100fc1294e6b124b7e75', but failed after 10 attempts.
Exceptions:
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to /172.20.3.229:60020 failed on connection
exception: java.net.ConnectException: Connection refused
at net.iridiant.heritrix.writer.HBaseWriter.write(Unknown Source)
at net.iridiant.heritrix.writer.HBaseWriterProcessor.write(Unknown
Source)
at
net.iridiant.heritrix.writer.HBaseWriterProcessor.innerProcessResult(Unknown
Source)
at org.archive.modules.Processor.process(Unknown Source)
at org.archive.crawler.framework.ToeThread.processCrawlUri(Unknown
Source)
at org.archive.crawler.framework.ToeThread.run(Unknown Source)
{noformat}
The client does not retry, so the data is lost. Maybe we can get this in for
RC2?
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