Hi Mikhail, Thank you for the response. More details. Solr is version 7.7.0 and collection replicas are TLOG.
I will check, but I don't think atomic updates are required. Regards Dominique Le mar. 6 déc. 2022 à 15:43, Mikhail Khludnev <m...@apache.org> a écrit : > Hello, Dominique. > I suppose it's used for updates and specifically in > AtomicUpdateProcessorFactory > and UpdateLog. Presumably, if that cluster can live without atomic updates, > you can try to drop them out of update chain. > > On Tue, Dec 6, 2022 at 5:14 PM Dominique Bejean <dominique.bej...@eolya.fr > > > wrote: > > > Hi, > > > > One of my customers has a huge collection (1.5 billion docs across 14 > > shards). > > All fields are correctly configured in order to enable docValues > > except _version_. They are still using the old configuration with > > indexed=true instead of docValues and hence _version_ populate FiledCache > > in JVM heap (several Gb). > > > > They need to reindex for various reasons including this one but this > can't > > be done before several weeks due to the complexity to handle full > > reindexing and continuous indexing at the same time. > > > > Why is FieldCache populated with _version_ field as it isn't explicitly > > used in sort, facet, grouping and function ? > > I guess Solr needs this internally. > > > > Is there a workaround in order to avoid FiledCache to be populated by > > _version_ field waiting to reindex ? > > > > Regards > > > > Dominique > > > > > -- > Sincerely yours > Mikhail Khludnev >
