Solrcloud 7.6 OOM due to unable to create native threads

Hi All, We running solrcloud 7.6 (with the patch # https://issues.apache.org/jira/secure/attachment/12969150)/SOLR-11724.patchon production on 7 hosts in containers. The container memory is 48GB , heap is 24GB. ulimit -v unlimited ulimit -m unlimited We don't have any custom code in solr. We

Re: Solrcloud 7.6 OOM due to unable to create native threads

What that error usually means is that there are a zillion threads running. Try taking a thread dump. It’s _probable_ that it’s CDCR, but take a look at the thread dump to see if you have lots of threads that are running. Any by “lots” here, I mean 100s of threads that reference the same component,

Performance of range queries in Point vs. Trie fields

I think my original post didn't go through because I wasn't subscribed so apologizes if this is a duplicate. For both Solr 7 and Solr 8, we have found that attempts to do range queries on DatePointField when there are a large number of points performs poorly (queries were taking over 30 seconds

Re: a new CLI tool bin/postlogs

As long as the data is loading you are fine I believe. We can create a ticket to figure out that error, but it's not affecting the logic of the load in any way. Joel Bernstein http://joelsolr.blogspot.com/ On Sun, Mar 29, 2020 at 2:29 AM Kayak28 wrote: > Hello, Community: > > Thank you for re

Re: Solrcloud 7.6 OOM due to unable to create native threads

Is CDCR even recommended to be used in production? Or it was abandoned before it could become production ready ? Thanks SG On Sun, Mar 29, 2020 at 5:18 AM Erick Erickson wrote: > What that error usually means is that there are a zillion threads running. > > Try taking a thread dump. It’s _prob

Re: Cross DC CloudSolr Client

Is there any good way of having a load-balancer across two SolrCloud clusters (version 8.x or 7.x) that are in different regions (like Azure East and Azure West) ? Thanks SG On Thu, Mar 26, 2020 at 4:53 AM Erick Erickson wrote: > I’ve never even heard of someone trying to put > different ensemb

Re: Solrcloud 7.6 OOM due to unable to create native threads

I don’t recommend CDCR at this point, I think there better approaches. The root problem is that CDCR uses tlog files as a queueing mechanism. If the connection between the DCs is broken for any reason, the tlogs grow without limit. This could probably be fixed, but a better alternative is to use s