Your filter cache is only taking up 3GB of the heap, which fits with the
default limit of 10% of heap space. So the filter cache is not at fault
here.
I would look at the two usual suspects:
* field data - how much space is this consuming? Try:
curl 'localhost:9200/_nodes/stats/indices/fielddata?fields=*&pretty'
* swap - is it completely disabled?
The swap is a common gotcha. If you have any data in swap it will slow GCs
down terribly, and give you the scenario that you are seeing. See the docs
for how to disable swap:
http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/setup-configuration.html#setup-configuration-memory
(i prefer disabling swap completely, rather than relying on mlockall or
swappiness)
On 19 July 2014 09:06, [email protected] <[email protected]> wrote:
> You are on the right track and you found already the answer to your
> question, examine your queries. They seem to be cached and eat your heap.
>
>
> http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/filter-caching.html
>
> Jörg
>
>
> On Fri, Jul 18, 2014 at 5:09 PM, Ned Campion <[email protected]> wrote:
>
>>
>>
>> We are doing a lot of "bool" conditions in our queries, so that may be a
>> factor in the hefty filter cache.
>>
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