Sorry I forgot to add - we are using Solr 6.5.1 Sent with [ProtonMail](https://protonmail.com/) Secure Email.
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Monday, January 10th, 2022 at 10:49, 123456780sss <123456780...@protonmail.com> wrote: > I am using Solr for some time now, and I encounter a problem with our threads. > > I am running Solr cloud, having 4 collections in total, and overall about 600 > shards (each with 2 replicas) between all of the collections. > > Recenently, we start getting errors of "out of memory, cannot create native > thread", and when we took a thread dump we notice that whenever it happens we > have cores that have 800-1000 open threads (and we observed that normally > there are 100-500 open threads). > > Of those open threads the absolute majority of them (80-90%) have the name: > > "CloudSolrStream-[number]-thread-[number]-processing-n:[current-solr-live-node] > x:[core] s:[shard] c:[collection] r:[node]" > > But we checked in our logs, and there wasn't any increase in our stream > requests (especially not a drastic increase that will cause this). > > Those errors happens every day. > > I would apprichiate any ideas on why does it happens, or ideas on what to > look for > > Sent with [ProtonMail](https://protonmail.com/) Secure Email.
