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From Vasileios Vlachos <>
Subject Re: StatusLogger output
Date Thu, 24 Mar 2016 12:12:42 GMT
Just to clarify, I can see line 29 which seems to explain the format (first
number ops, second is data), however I don't know they actually mean.


On Thu, Mar 24, 2016 at 11:45 AM, Vasileios Vlachos <> wrote:

> Hello,
> Environment:
> - Cassandra 2.0.17, 8 nodes, 4 per DC
> - Ubuntu 12.04, 6-Cores, 16GB of RAM (we use VMWare)
> Every node seems to be dropping messages (anywhere from 10 to 300) twice a
> day. I don't know it this has always been the case, but has definitely been
> going for the past month or so. Whenever that happens we get
> output in the log, which is the state of the node at
> the time it dropped messages. This output contains information
> similar/identical to nodetool tpstats, but further from that, information
> regarding system CF follows as can be seen here:
> How can we use this information to find out what the problem was? I am
> specifically referring to the information regarding the system CF. I had a
> look in the system tables but I cannot draw anything from that. The output
> in the log seems to contain two values (comma separated). What are these
> numbers?
> I wasn't able to find anything on the web/DataStax docs. Any help would be
> greatly appreciated!
> Thanks,
> Vasilis

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