uary 18, 2020 15:27
> To: solr-user@lucene.apache.org
> Subject: RE: A question about solr filter cache
>
> Hi!
> Yes, it may depends on Solr version
> Solr 8.3 Admin filterCache page stats looks like:
>
> stats:
> CACHE.searcher.filterCache.cleanupThread:
@Vadim Ivanov<mailto:vadim.iva...@spb.ntk-intourist.ru>
Thank you!
From: Vadim Ivanov
Sent: Tuesday, February 18, 2020 15:27
To: solr-user@lucene.apache.org
Subject: RE: A question about solr filter cache
Hi!
Yes, it may depends on Solr version
Solr 8.3
o:inte...@outlook.com]
> Sent: Tuesday, February 18, 2020 5:32 AM
> To: solr-user@lucene.apache.org
> Subject: Re: A question about solr filter cache
>
> @Erick Erickson<mailto:erickerick...@gmail.com> and @Mikhail Khludnev
>
> got it, the explanation is very cl
Sent: Monday, February 17, 2020 17:51
To: solr-user@lucene.apache.org
Subject: RE: A question about solr filter cache
You can easily check amount of RAM used by core filterCache in Admin UI:
Choose core - Plugins/Stats - Cache - filterCache
It shows useful information on configuration, statisti
0 17:51
To: solr-user@lucene.apache.org
Subject: RE: A question about solr filter cache
You can easily check amount of RAM used by core filterCache in Admin UI:
Choose core - Plugins/Stats - Cache - filterCache
It shows useful information on configuration, statistics and current RAM
usage by fil
That’s the upper limit of a filter cache entry (maxDoc/8). For low numbers of
hits,
more space-efficient structures are used. Specifically a list of doc IDs is
kept. So say
you have an fq clause that marks 10 doc. The filterCache entry is closer to 40
bytes
+ sizeof(query object) etc.
Still, it
You can easily check amount of RAM used by core filterCache in Admin UI:
Choose core - Plugins/Stats - Cache - filterCache
It shows useful information on configuration, statistics and current RAM
usage by filter cache,
as well as some examples of current filtercaches in RAM
Core, for ex, with 10 ml
Hello,
The former
https://github.com/apache/lucene-solr/blob/188f620208012ba1d726b743c5934abf01988d57/solr/core/src/java/org/apache/solr/search/DocSetCollector.java#L84
More efficient sets (roaring and/or elias-fano, iirc) present in Lucene,
but not yet being used in Solr.
On Mon, Feb 17, 2020 at
If 1GB would make solr go out of memory by using a filter query cache,
then it would have already happened during the initial upload of the
solr documents. Imagine the amount of memory you need for one billion
documents..
A filter cache would be the least of your problems. 1GB is small in comparis
