Pls check inside below. On Fri, Feb 10, 2023 at 9:21 AM Heinz Hölzer <heinz.hoel...@googlemail.com.invalid> wrote:
> Hi Mikhail, > > Thank a lot for your answer, this means we will only pay a small heap price > for both docValues and indexed, right? Exactly. Perhaps this idea expressed https://www.youtube.com/watch?v=T5RmMNDR5XI Some time ago Lucene had an API to report heap used by internal components... until https://issues.apache.org/jira/browse/LUCENE-9387 > Thx for your `rawSize=true` finding, > this will be helpful to inspect disk usage. > > Best, > Heinz > > Am Di., 7. Feb. 2023 um 21:21 Uhr schrieb Mikhail Khludnev < > m...@apache.org > >: > > > Hello, Heinz. > > These data structures reside on disk and only small excerpts ie head is > > kept in heap. So, dropping them you should get some gain in heap, but I > > don't think it's a lot. Indexing footprint should be reduced as well. > > Regarding heap size. I've found a pretty cool param rawSize=true in > > > > > http://localhost:8983/solr/admin/collections?action=COLSTATUS&collection=gettingstarted&coreInfo=true&segments=true&fieldInfo=true&sizeInfo=true&rawSize=true > > which estimates field size, but it's a disk size, not heap usage. It > seems > > to me that heap size estimation is abandoned. > > > > On Tue, Feb 7, 2023 at 2:34 PM Heinz Hölzer > > <heinz.hoel...@googlemail.com.invalid> wrote: > > > > > Hi, > > > > > > We are currently optimizing and cleaning up our complex Solr Schema and > > we > > > are wondering if the corresponding data structures of a field with > > > indexed="true" and docValues="true" (inverted index, column-oriented > > > mapping) are loaded from disk into memory when both features are never > > used > > > or accessed? In other words, can we decrease our memory usage by > setting > > > indexed and docValues to false even if those features are never used at > > > runtime? > > > > > > Thx and best regards, > > > Heinz > > > > > > > > > -- > > Sincerely yours > > Mikhail Khludnev > > https://t.me/MUST_SEARCH > > A caveat: Cyrillic! > > > -- Sincerely yours Mikhail Khludnev https://t.me/MUST_SEARCH A caveat: Cyrillic!
