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Accumulo, mail # dev - tserver.readahead.concurrent.max set to 64 but only running 32 at most.


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Re: tserver.readahead.concurrent.max set to 64 but only running 32 at most.
Eric Newton 2013-05-16, 17:25
tserver.scan.files.open.max

On Wed, May 15, 2013 at 4:44 PM, David Medinets <[EMAIL PROTECTED]>wrote:

> When tserver.readahead.concurrent.max was set to its default setting, the
> load on our tservers was fairly low. So I changed accumulo-site.xml so the
> max is 64. (Go for the gusto!) Then restarted the tservers to ensure the
> change was picked up.
>
> New queries are now running 32 concurrent scans on each server with several
> scans waiting in the queue. Is there some other accumulo parameter that I
> need to set to get more than 32 concurrent scans? Is something else
> affecting the scans?
>