cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6604) AssertionError: Verb COUNTER_MUTATION should not legally be dropped
Date Sun, 19 Jan 2014 22:42:20 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13876038#comment-13876038
] 

Jonathan Ellis commented on CASSANDRA-6604:
-------------------------------------------

The real problem is that your server is overloaded enough to drop writes on the floor.

> AssertionError: Verb COUNTER_MUTATION should not legally be dropped
> -------------------------------------------------------------------
>
>                 Key: CASSANDRA-6604
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6604
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Bartłomiej Romański
>             Fix For: 1.2.14, 2.0.5
>
>
> We're seeing the following errors in our logs from time to time (about once an hour):
> {code}
> ERROR [MutationStage:10] 2014-01-19 10:36:26,659 CassandraDaemon.java (line 187) Exception
in thread Thread[MutationStage:10,5,main]
> java.lang.AssertionError: Verb COUNTER_MUTATION should not legally be dropped
>         at org.apache.cassandra.net.MessagingService.incrementDroppedMessages(MessagingService.java:779)
>         at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1925)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:724)
> {code}
> They always appear in groups. About 50-100 errors in a row.
> We've got a 12-nodes cluster recently upgraded from 1.2.10 to 2.0.4. It's under pretty
heavy load.



--
This message was sent by Atlassian JIRA
(v6.1.5#6160)

Mime
View raw message