NullPointerException when running nodetool stopdaemon

2019-02-22 Thread Timothy Palpant
I am trying to use `nodetool stopdaemon` to stop Cassandra but hitting the following error: ``` $ cassandra_ctl nodetool -h 127.0.0.1 -p 5100 stopdaemon error: null -- StackTrace -- java.lang.NullPointerException at

Re: Tombstones in memtable

2019-02-22 Thread Jeff Jirsa
If all of your data is TTL’d and you never explicitly delete a cell without using s TTL, you can probably drop your GCGS to 1 hour (or less). Which compaction strategy are you using? You need a way to clear out those tombstones. There exist tombstone compaction sub properties that can help

RE: Tombstones in memtable

2019-02-22 Thread Kenneth Brotman
Can we see the histogram? Why wouldn’t you at times have that many tombstones? Makes sense. Kenneth Brotman From: Rahul Reddy [mailto:rahulreddy1...@gmail.com] Sent: Thursday, February 21, 2019 7:06 AM To: user@cassandra.apache.org Subject: Tombstones in memtable We have small

Re: Looking for feedback on automated root-cause system

2019-02-22 Thread Matt Stump
For some reason responses to the thread didn't hit my work email, I didn't see the responses until I check from my personal. The way that the system works is that we install a collector that pulls a bunch of metrics from each node and sends it up to our NOC every minute. We've got a bunch of