RE: Node failure Due To Very high GC pause time

2017-07-13 Thread Durity, Sean R
To Very high GC pause time Hi Bryan, Thanks for your quick response. We have already tuned our memory and GC based on our hardware specification and it was working fine until yesterday, i.e before facing the below specified delete request. As you specified we will once again look

RE: Node failure Due To Very high GC pause time

2017-07-03 Thread ZAIDI, ASAD A
your tables with [tombstones], A quick [grep –i tombstone /path/to/system.log] command would tell you what objects are suffering with tombstones! From: Karthick V [mailto:karthick...@zohocorp.com] Sent: Monday, July 03, 2017 11:47 AM To: user Subject: Re: Node failure Due To Very high GC pa

Re: Node failure Due To Very high GC pause time

2017-07-03 Thread Karthick V
Hi Bryan, Thanks for your quick response. We have already tuned our memory and GC based on our hardware specification and it was working fine until yesterday, i.e before facing the below specified delete request. As you specified we will once again look into our GC & memory confi

Re: Node failure Due To Very high GC pause time

2017-07-03 Thread Bryan Cheng
This is a very antagonistic use case for Cassandra :P I assume you're familiar with Cassandra and deletes? (eg. http://thelastpickle.com/blog/2016/07/27/about-deletes-and-tombstones.html, http://docs.datastax.com/en/cassandra/2.1/cassandra/dml/dml_about_deletes_c.html ) That being said, are you gi

Node failure Due To Very high GC pause time

2017-07-03 Thread Karthick V
Hi, Recently In my test Cluster I faced a outrageous GC activity which made the Node unreachable inside the cluster itself. Scenario : In a Partition of 5Million rows we read first 500 (by giving the starting range) and delete the same 500 again.The same has been done recursiv