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Posted to notifications@accumulo.apache.org by "Josh Elser (JIRA)" <ji...@apache.org> on 2014/11/20 03:54:33 UTC
[jira] [Created] (ACCUMULO-3350) Minor compaction failed due to out
of order keys
Josh Elser created ACCUMULO-3350:
------------------------------------
Summary: Minor compaction failed due to out of order keys
Key: ACCUMULO-3350
URL: https://issues.apache.org/jira/browse/ACCUMULO-3350
Project: Accumulo
Issue Type: Bug
Components: tserver
Reporter: Josh Elser
Fix For: 1.6.2
Ran BloomFilterIT against a real instance, saw the following error:
{noformat}
MinC failed (Keys appended out-of-order. New key row %00;%c1;%e3;u&%01;%00;%00;%00;Z%c6;%17;:%cb;I [] 1416451573338 false mc=1334556, previous key row k_0667277000:cq [] 1416451573338 false) to create hdfs://localhost:8020/apps/accumulo/tables/2ds/default_tablet/F0003de5.rf_tmp retrying ...
java.lang.IllegalStateException: Keys appended out-of-order. New key row %00;%c1;%e3;u&%01;%00;%00;%00;Z%c6;%17;:%cb;I [] 1416451573338 false mc=1334556, previous key row k_0667277000:cq [] 1416451573338 false
at org.apache.accumulo.core.file.rfile.RFile$Writer.append(RFile.java:369)
at org.apache.accumulo.tserver.Compactor.compactLocalityGroup(Compactor.java:504)
at org.apache.accumulo.tserver.Compactor.call(Compactor.java:362)
at org.apache.accumulo.tserver.MinorCompactor.call(MinorCompactor.java:96)
at org.apache.accumulo.tserver.Tablet.minorCompact(Tablet.java:2071)
at org.apache.accumulo.tserver.Tablet.access$4400(Tablet.java:174)
at org.apache.accumulo.tserver.Tablet$MinorCompactionTask.run(Tablet.java:2158)
at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
at java.lang.Thread.run(Thread.java:745)
{noformat}
Never saw this before. No idea what happened or if it's related to the BloomFilters.
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