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From Jędrzej Sieracki (JIRA) <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-10389) Repair session exception Validation failed
Date Wed, 23 Sep 2015 10:06:04 GMT
Jędrzej Sieracki created CASSANDRA-10389:
--------------------------------------------

             Summary: Repair session exception Validation failed
                 Key: CASSANDRA-10389
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10389
             Project: Cassandra
          Issue Type: Bug
          Components: Core
         Environment: Debian 8, Java 1.8.0_60, Cassandra 2.2.1 (datastax compilation)
            Reporter: Jędrzej Sieracki


I'm running a repair on a ring of nodes, that was recently extented from 3 to 13 nodes. The
extension was done two days ago, the repair was attempted yesterday.

{quote}
[2015-09-22 11:55:55,266] Starting repair command #9, repairing keyspace perspectiv with repair
options (parallelism: parallel, primary range: false, incremental: true, job threads: 1, ColumnFamilies:
[], dataCenters: [], hosts: [], # of ranges: 517)
[2015-09-22 11:55:58,043] Repair session 1f7c50c0-6110-11e5-b992-9f13fa8664c8 for range (-5927186132136652665,-5917344746039874798]
failed with error [repair #1f7c50c0-6110-11e5-b992-9f13fa8664c8 on perspectiv/stock_increment_agg,
(-5927186132136652665,-5917344746039874798]] Validation failed in cblade1.XXX/XXX (progress:
0%)
{quote}

BTW, I am ignoring the LEAK errors for now, that's outside of the scope of the main issue:
{quote}
ERROR [Reference-Reaper:1] 2015-09-22 11:58:27,843 Ref.java:187 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@4d25ad8f) to class org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@896826067:/var/lib/cassandra/data/perspectiv/stock_increment_agg-840cad405de711e5b9929f13fa8664c8/la-73-big
was not released before the reference was garbage collected
{quote}

I scrubbed the sstable with failed validation on cblade1 with nodetool scrub perspectiv stock_increment_agg:

{quote}
INFO  [CompactionExecutor:1704] 2015-09-22 12:05:31,615 OutputHandler.java:42 - Scrubbing
BigTableReader(path='/var/lib/cassandra/data/perspectiv/stock_increment_agg-840cad405de711e5b9929f13fa8664c8/la-83-big-Data.db')
(345466609 bytes)
INFO  [CompactionExecutor:1703] 2015-09-22 12:05:31,615 OutputHandler.java:42 - Scrubbing
BigTableReader(path='/var/lib/cassandra/data/perspectiv/stock_increment_agg-840cad405de711e5b9929f13fa8664c8/la-82-big-Data.db')
(60496378 bytes)
ERROR [Reference-Reaper:1] 2015-09-22 12:05:31,676 Ref.java:187 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@4ca8951e) to class org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@114161559:/var/lib/cassandra/data/perspectiv/receipt_agg_total-76abb0625de711e59f6e0b7d98a25b6e/la-48-big
was not released before the reference was garbage collected
ERROR [Reference-Reaper:1] 2015-09-22 12:05:31,676 Ref.java:187 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@eeb6383) to class org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@1612685364:/var/lib/cassandra/data/perspectiv/stock_increment_agg-840cad405de711e5b9929f13fa8664c8/la-83-big
was not released before the reference was garbage collected
ERROR [Reference-Reaper:1] 2015-09-22 12:05:31,676 Ref.java:187 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@1de90543) to class org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@2058626950:/var/lib/cassandra/data/perspectiv/receipt_agg_total-76abb0625de711e59f6e0b7d98a25b6e/la-49-big
was not released before the reference was garbage collected
ERROR [Reference-Reaper:1] 2015-09-22 12:05:31,676 Ref.java:187 - LEAK DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@15616385) to class org.apache.cassandra.io.sstable.format.SSTableReader$InstanceTidier@1386628428:/var/lib/cassandra/data/perspectiv/receipt_agg_total-76abb0625de711e59f6e0b7d98a25b6e/la-47-big
was not released before the reference was garbage collected
INFO  [CompactionExecutor:1703] 2015-09-22 12:05:35,098 OutputHandler.java:42 - Scrub of BigTableReader(path='/var/lib/cassandra/data/perspectiv/stock_increment_agg-840cad405de711e5b9929f13fa8664c8/la-82-big-Data.db')
complete: 51397 rows in new sstable and 0 empty (tombstoned) rows dropped
INFO  [CompactionExecutor:1704] 2015-09-22 12:05:47,605 OutputHandler.java:42 - Scrub of BigTableReader(path='/var/lib/cassandra/data/perspectiv/stock_increment_agg-840cad405de711e5b9929f13fa8664c8/la-83-big-Data.db')
complete: 292600 rows in new sstable and 0 empty (tombstoned) rows dropped
{quote}

Now, after scrubbing, another repair was attempted, it did finish, but with lots of errors
from other nodes:
{quote}
[2015-09-22 12:01:18,020] Repair session db476b51-6110-11e5-b992-9f13fa8664c8 for range (5019296454787813261,5021512586040808168]
failed with error [repair #db476b51-6110-11e5-b992-9f13fa8664c8 on perspectiv/stock_increment_agg,
(5019296454787813261,5021512586040808168]] Validation failed in /10.YYY (progress: 91%)
[2015-09-22 12:01:18,079] Repair session db482ea1-6110-11e5-b992-9f13fa8664c8 for range (-3660233266780784242,-3638577078894365342]
failed with error [repair #db482ea1-6110-11e5-b992-9f13fa8664c8 on perspectiv/stock_increment_agg,
(-3660233266780784242,-3638577078894365342]] Validation failed in /10.XXX (progress: 92%)
[2015-09-22 12:01:18,276] Repair session db4a0361-6110-11e5-b992-9f13fa8664c8 for range (9158857758535272856,9167427882441871745]
failed with error [repair #db4a0361-6110-11e5-b992-9f13fa8664c8 on perspectiv/stock_increment_agg,
(9158857758535272856,9167427882441871745]] Validation failed in /10.YYY (progress: 95%)
{quote}

After scrubbing stock_increment_agg on all nodes, just to be sure, the repair still failed,
this time with the following exception:
{quote}
INFO  [Repair#16:50] 2015-09-22 12:08:47,471 RepairJob.java:181 - [repair #ea123bf3-6111-11e5-b992-9f13fa8664c8]
Requesting merkle trees for stock_increment_agg (to [/10.60.77.202, cblade1.XXX/XXX])
ERROR [RepairJobTask:1] 2015-09-22 12:08:47,471 RepairSession.java:290 - [repair #ea123bf0-6111-11e5-b992-9f13fa8664c8]
Session completed with the following error
org.apache.cassandra.exceptions.RepairException: [repair #ea123bf0-6111-11e5-b992-9f13fa8664c8
on perspectiv/stock_increment_agg, (355657753119264326,366309649129068298]] Validation failed
in cblade1.
        at org.apache.cassandra.repair.ValidationTask.treeReceived(ValidationTask.java:64)
~[apache-cassandra-2.2.1.jar:2.2.1]
        at org.apache.cassandra.repair.RepairSession.validationComplete(RepairSession.java:183)
~[apache-cassandra-2.2.1.jar:2.2.1]
        at org.apache.cassandra.service.ActiveRepairService.handleMessage(ActiveRepairService.java:399)
~[apache-cassandra-2.2.1.jar:2.2.1]
        at org.apache.cassandra.repair.RepairMessageVerbHandler.doVerb(RepairMessageVerbHandler.java:158)
~[apache-cassandra-2.2.1.jar:2.2.1]
        at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:66) ~[apache-cassandra-2.2.1.jar:2.2.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[na:1.8.0_60]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[na:1.8.0_60]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60]
{quote}



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