[
https://issues.apache.org/jira/browse/HBASE-8646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
stack updated HBASE-8646:
-------------------------
Resolution: Fixed
Fix Version/s: 0.98.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Resolving this one applied to trunk and 0.95. HBASE-9023 is still open for the
compaction failure with WAL sync that is still happening pretty frequently.
> Intermittent TestIOFencing#testFencingAroundCompaction failure due to region
> getting stuck in compaction
> --------------------------------------------------------------------------------------------------------
>
> Key: HBASE-8646
> URL: https://issues.apache.org/jira/browse/HBASE-8646
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Assignee: Enis Soztutar
> Fix For: 0.98.0, 0.95.2
>
> Attachments: hbase-8646_v1.patch
>
>
> From
> http://54.241.6.143/job/HBase-TRUNK/org.apache.hbase$hbase-server/348/testReport/junit/org.apache.hadoop.hbase/TestIOFencing/testFencingAroundCompaction/
> (the underlying region is
> tabletest,,1369855507443.c251a1d71e75fed8e490db63419edcf1.):
> {code}
> 2013-05-29 19:25:20,363 DEBUG [pool-1-thread-1] catalog.CatalogTracker(208):
> Stopping catalog tracker
> org.apache.hadoop.hbase.catalog.CatalogTracker@6280d069
> 2013-05-29 19:25:20,366 INFO [pool-1-thread-1] hbase.TestIOFencing(255):
> Waiting for compaction to be about to start
> 2013-05-29 19:25:20,367 DEBUG [pool-1-thread-1]
> hbase.TestIOFencing$CompactionBlockerRegion(107): waiting for compaction to
> block
> 2013-05-29 19:25:20,367 DEBUG [pool-1-thread-1]
> hbase.TestIOFencing$CompactionBlockerRegion(109): compaction block reached
> 2013-05-29 19:25:20,367 INFO [pool-1-thread-1] hbase.TestIOFencing(257):
> Starting a new server
> 2013-05-29 19:25:20,424 DEBUG [pool-1-thread-1]
> client.HConnectionManager(2811):
> regionserver/ip-10-197-74-184.us-west-1.compute.internal/10.197.74.184:0
> HConnection server-to-server retries=100
> ...
> 2013-05-29 19:25:20,861 INFO [pool-1-thread-1] hbase.TestIOFencing(260):
> Killing region server ZK lease
> ...
> 2013-05-29 19:25:21,030 DEBUG
> [RS_CLOSE_REGION-ip-10-197-74-184.us-west-1.compute.internal,37836,1369855503920-0]
> handler.CloseRegionHandler(125): Processing close of
> tabletest,,1369855507443.c251a1d71e75fed8e490db63419edcf1.
> 2013-05-29 19:25:21,031 DEBUG
> [RS_CLOSE_REGION-ip-10-197-74-184.us-west-1.compute.internal,37836,1369855503920-0]
> regionserver.HRegion(928): Closing
> tabletest,,1369855507443.c251a1d71e75fed8e490db63419edcf1.: disabling
> compactions & flushes
> 2013-05-29 19:25:21,031 DEBUG
> [RS_CLOSE_REGION-ip-10-197-74-184.us-west-1.compute.internal,37836,1369855503920-0]
> regionserver.HRegion(1022): waiting for 1 compactions to complete for region
> tabletest,,1369855507443.c251a1d71e75fed8e490db63419edcf1.
> ...
> 2013-05-29 19:25:27,037 INFO [pool-1-thread-1] hbase.TestIOFencing(265):
> Waiting for the new server to pick up the region
> tabletest,,1369855507443.c251a1d71e75fed8e490db63419edcf1.
> {code}
> The test started new region server. However, the region got stuck in:
> {code}
> public void waitForFlushesAndCompactions() {
> synchronized (writestate) {
> while (writestate.compacting > 0 || writestate.flushing) {
> LOG.debug("waiting for " + writestate.compacting + " compactions"
> + (writestate.flushing ? " & cache flush" : "") + " to complete
> for region " + this);
> try {
> writestate.wait();
> {code}
> This led to the timeout:
> {code}
> assertTrue("Timed out waiting for new server to open region",
> System.currentTimeMillis() - startWaitTime < 60000);
> {code}
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