Re: Help debugging Redis timeouts

[Dvir Volk]

Almost certainly - this happens when redis forks to persist, and it's a well known issue with EC2. Disable persistence and see if it's gone. If it is - There are workarounds: high end HPC instances do this ok, or you can set a persistence slave that will do this.

sent from my Sinclair ZX48

On Sep 30, 2012 7:56 PM, "wless1" <thomas...@keas.com> wrote:

Hi everyone,

I am running a Ruby on Rails application with an EC2 hosted Redis instance, and am encountering a problem with frequent timeouts. I attached a log obtained by running monitor on the redis server - but what I've observed is that there's time periods where Redis is completely unresponsive (multiple redis clients all time out), and in the logs, redis appears to be doing nothing (For instance, between 1348849490.517019 and 1348849506.965917 in the attached log)

I know this isn't a lot to go on, but does anyone have any suggestions on next steps to figure out what could be going wrong?

Thanks for any help!

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