Re: TWCS High Disk Space Usage Troubleshooting - Looking for suggestions

2017-08-08 Thread Jeff Jirsa
The most likely cause is read repairs due to consistency level repairs (digest mismatch). The only way to actually eliminate read repair is to read with CL:ONE, which almost nobody does (at least in time series use cases, because it implies you probably write with ALL, or run repair which - as you'

TWCS High Disk Space Usage Troubleshooting - Looking for suggestions

2017-08-08 Thread Sumanth Pasupuleti
> > Hi, > > We use TWCS in a few of the column families that have TTL based > time-series data, and no explicit deletes are issued. Over the time, we > observed the disk usage has been increasing beyond the expected levels. > > Data directory in a particular node shows SSTables that are more than >

Re: Cassandra Stress Tool - Insert data in a pace

2017-08-08 Thread Lucas Benevides
Thank you Michael Schuler, The option "-rate throttle" is not in the documentation so I didn't find it. It has replaced the old "-rate limit" since the 3.8 version (so it is written in the NEWS.txt) I am running the trunk version, so it is already available to me. Thank you very much, Lucas Bene

rebuild constantly fails, 3.11

2017-08-08 Thread Micha
Hi, it seems I'm not able to add add 3 node dc to a 3 node dc. After starting the rebuild on a new node, nodetool netstats show it will receive 1200 files from node-1 and 5000 from node-2. The stream from node-1 completes but the stream from node-2 allways fails, after sending ca 4000 files. Afte