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From "Jeremiah Jordan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-11983) Migration task failed to complete
Date Sat, 18 Jun 2016 19:46:05 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-11983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15338130#comment-15338130
] 

Jeremiah Jordan commented on CASSANDRA-11983:
---------------------------------------------

Removing the patch just removes the warning. It does not "fix" anything. The error being reported
by the warning is almost certainly still happening. Again the way to fix this in your cluster
is to set the -D and raise the amount of time the system waits before proceeding and emitting
the warning, such that you give the nodes a chance to finish processing the migration requests.
Also if you do not disable autobootstrap you should wait at least two minutes between starting
each node.
Now if you really are starting the cluster for the first time and there is no data in the
tables you can also just ignore the WARN. It is only a problem if there actually was data
in your tables, as if there was data in the tables and you get that WARN your node will not
have bootstrapped all of its tables.

> Migration task failed to complete
> ---------------------------------
>
>                 Key: CASSANDRA-11983
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11983
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Lifecycle
>         Environment: Docker / Kubernetes running
> Linux cassandra-21 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-1 (2016-03-06) x86_64 GNU/Linux
> openjdk version "1.8.0_91"
> OpenJDK Runtime Environment (build 1.8.0_91-8u91-b14-1~bpo8+1-b14)
> OpenJDK 64-Bit Server VM (build 25.91-b14, mixed mode)
> Cassnadra 3.5 installed from 
> deb-src http://www.apache.org/dist/cassandra/debian 35x main
>            Reporter: Chris Love
>         Attachments: cass.log
>
>
> When nodes are boostrapping I am getting mulitple errors: "Migration task failed to complete",
from MigrationManager.java
> The errors increase as more nodes are added to the ring, as I am creating a ring of 1k
nodes.
> Cassandra yaml i here https://github.com/k8s-for-greeks/gpmr/blob/3d50ff91a139b9c4a7a26eda0fb4dcf9a008fbed/pet-race-devops/docker/cassandra-debian/files/cassandra.yaml



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