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Michael Theroux commented on CASSANDRA-4417: -------------------------------------------- I just hit this myself on 1.1.2 on two nodes of a six node cluster. The cluster has been stable for a couple of weeks. If it makes any difference, we recently enabled row-caching. ... INFO [AntiEntropyStage:1] 2012-07-24 11:05:55,537 AntiEntropyService.java (line 206) [repair #b9355020-d57e-11e1-0000-7c4549350fdf] Received merkle tree for caches from /10.29.214.111 ERROR [CompactionExecutor:183] 2012-07-24 11:05:58,532 CounterContext.java (line 381) invalid counter shard detected; (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, -1) and (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, 1) differ only in count; will pick highest to self-heal; this indicates a bug or corruption generated a bad counter shard ERROR [CompactionExecutor:183] 2012-07-24 11:05:58,533 CounterContext.java (line 381) invalid counter shard detected; (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, 1) and (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, -1) differ only in count; will pick highest to self-heal; this indicates a bug or corruption generated a bad counter shard ERROR [CompactionExecutor:183] 2012-07-24 11:05:58,534 CounterContext.java (line 381) invalid counter shard detected; (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, -1) and (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, 1) differ only in count; will pick highest to self-heal; this indicates a bug or corruption generated a bad counter shard ERROR [CompactionExecutor:183] 2012-07-24 11:05:58,534 CounterContext.java (line 381) invalid counter shard detected; (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, 1) and (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, -1) differ only in count; will pick highest to self-heal; this indicates a bug or corruption generated a bad counter shard ERROR [CompactionExecutor:183] 2012-07-24 11:05:58,534 CounterContext.java (line 381) invalid counter shard detected; (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, -1) and (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, 1) differ only in count; will pick highest to self-heal; this indicates a bug or corruption generated a bad counter shard ERROR [CompactionExecutor:183] 2012-07-24 11:05:58,535 CounterContext.java (line 381) invalid counter shard detected; (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, 1) and (6be74ab0-6cc6-11e1-0000-242d50cf1fd7, 1, -1) differ only in count; will pick highest to self-heal; this indicates a bug or corruption generated a bad counter shard INFO [AntiEntropyStage:1] 2012-07-24 11:06:05,541 AntiEntropyService.java (line 206) [repair #b9355020-d57e-11e1-0000-7c4549350fdf] Received merkle tree for caches from /10.144.15.6 ... > invalid counter shard detected > ------------------------------- > > Key: CASSANDRA-4417 > URL: https://issues.apache.org/jira/browse/CASSANDRA-4417 > Project: Cassandra > Issue Type: Bug > Components: Core > Affects Versions: 1.1.1 > Environment: Amazon Linux > Reporter: Senthilvel Rangaswamy > > Seeing errors like these: > 2012-07-06_07:00:27.22662 ERROR 07:00:27,226 invalid counter shard detected; > (17bfd850-ac52-11e1-0000-6ecd0b5b61e7, 1, 13) and > (17bfd850-ac52-11e1-0000-6ecd0b5b61e7, 1, 1) differ only in count; will pick > highest to self-heal; this indicates a bug or corruption generated a bad > counter shard > What does it mean ? -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira