Re: Long GC pauses during repair

2021-08-04 Thread Jeff Jirsa
gt;>> is CMS and heap is 14G. Cluster is 7+7. Cassandra version is 3.11.2. Not >>> much traffic when repair is running. What could be the probable cause of >>> long gc pauses? What things should I look into? >>> >>> Regards >>> Manish >>> >>

Re: Long GC pauses during repair

2021-08-04 Thread manish khandelwal
Can inter dc latency cause high gc pauses? Other clusters working fine with same configuration? Only this particular cluster is giving long GC pauses during repair. Regards Manish On Tue, Aug 3, 2021 at 6:42 PM Jim Shaw wrote: > CMS heap too large will have long GC. you may try reduce heap

Re: Long GC pauses during repair

2021-08-03 Thread Jim Shaw
coordinator. Running full repair with partition range option. GC collector > is CMS and heap is 14G. Cluster is 7+7. Cassandra version is 3.11.2. Not > much traffic when repair is running. What could be the probable cause of > long gc pauses? What things should I look into? > > Regards > Manish >

Long GC pauses during repair

2021-08-03 Thread manish khandelwal
Long GC (1 seconds /2 seconds) pauses seen during repair on the coordinator. Running full repair with partition range option. GC collector is CMS and heap is 14G. Cluster is 7+7. Cassandra version is 3.11.2. Not much traffic when repair is running. What could be the probable cause of long gc

Re: Long GC Pauses

2018-11-19 Thread James Briggs
riggs. -- Cassandra/MySQL DBA. Available in San Jose area or remote. cass_top: https://github.com/jamesbriggs/cassandra-top From: Rajasekhar Kommineni To: user@cassandra.apache.org Sent: Monday, November 19, 2018 2:33 PM Subject: Long GC Pauses Hi All, My C cluster configuration. 1)

Long GC Pauses

2018-11-19 Thread Rajasekhar Kommineni
Hi All, My C cluster configuration. 1) 2 DC with 4 nodes each and Replication Factor of 3 per each DC 2) Writes(Bulk data load) are done to 2nd DC and Application (reads) are done from 1st DC. 3) CMS GC Issue : Observing long GC pauses during data load and timeouts from application (reads