Hi All, Pinging again for some assistance. On Tue, Jun 25, 2024 at 12:32 PM Saksham Gupta <saksham.gu...@indiamart.com> wrote:
> Hi All, > We are facing timeouts while connecting with zookeeper for indexing. > > *Exception Details:* org.apache.solr.common.SolrException: > java.util.concurrent.TimeoutException: Could not connect to ZooKeeper > 10.128.193.20:2181,10.128.193.21:2181,10.128.193.22:2181 within 15000 ms > > On checking this further, we found that the total number of connections on > the zookeeper cluster was greater than 60. Upon backtracking further, we > found that we recently added a new collection on zookeeper [cluster of 3], > and the new collection contains 59 shards on which indexing is happening. > On stopping indexing on the new collection, everything was fine, and > indexing got fine on the other collections, as the number of connections on > zookeeper reduced to less than 60. > > My solr cluster consists of 16 nodes, with 5 collections and >70 shards. > > Any help on how to resolve this issue and perform indexing on all the > collections. Is simply increasing the number of maxClientCnxns [in > zookeeper config] the standard way, and if in future I add even more > collections, then to what extent should we increase this limit? >