Re: Cassandra 3.11.3 map errors

2019-01-15 Thread Roy Burstein
Hi Bob , We did not use the reaper(yet) just trying to run tests against the new C* v3 cluster . The nodes keeps crashing all the time and these are the error we are getting . Any other ideas ? Thanks! Roy On Wed, Jan 16, 2019 at 8:51 AM Bobbie Haynes wrote: > Hi Roy, > I don't

Re: Cassandra 3.11.3 map errors

2019-01-15 Thread Bobbie Haynes
Hi Roy, I don't think the Memory Leak issue is related to MAP errors .I was also using Reaper in our cluster.I have seen Memory Leak issue (ERROR [Reference-Reaper:1] 2019-01-14 00:03:46,469 Ref.java:224 - LEAK DETECTED) when some of SStables got corrupted because of disk space issue

Easy way to update a huge table without PK

2019-01-15 Thread Ayub M
Hello, I have a table with 3m records and say 3m recs have empty string on which an MView is built upon. create table t ( c1 int, c2 text, primary key(c1)); create materialized view mv as select c2,c1 from t WHEREc2 IS NOT NULL AND c1 IS NOT NULL PRIMARY KEY (c2, c1); There are recs

Cassandra lightweight transactions failing

2019-01-15 Thread Ayub M
There are 2 DCs each with 3 nodes, and the RF used for writes is 2 and reads its each_quorum. A lightweight transaction is used to ensure consistency of updates across DCs. Now what is happening is for certain records, hundreds (maybe thousands) of lwt updates are hitting the cluster around same