Cassandra 3.11.3 map errors

2019-01-14 Thread Roy Burstein
Hi , We are testing C* 3.11.3 and we have mapping issue and possibly leaked memory. It might be related to our configuration,any ideas would be helpful . Cassandra version: 3.11.3 OS: CentOS Linux release 7.4.1708 (Core) Kernel: 3.10.0-957.1.3.el7.x86_64 JDK: jdk1.8.0_131 Heap: same errors with

Re: is there an upper limit of the size tier of stcs?

2019-01-14 Thread Nitan Kainth
If you exceel 50% then you could be in trouble for compaction. No immediate harm though, just that compaction will start failing and eventually, you will see read latencies go high. On Mon, Jan 14, 2019 at 4:59 AM Jinhua Luo wrote: > But what if the sstable file size of the largest tire is too l

MonitoringTask logSlowOperations show wront query message

2019-01-14 Thread Marco Gasparini
hi everyone, I have activated DEBUG mode via nodetool setlogginglevel, now system.log shows me slow queries (slower than 500ms) but the log is showing me the wrong query. My query is composed like this: SELECT pkey, f1, f2, f3 FROM mykeyspace.mytable WHERE pkey='xxx' LIMIT 3000; but MonitoringTa

Re: is there an upper limit of the size tier of stcs?

2019-01-14 Thread Jinhua Luo
But what if the sstable file size of the largest tire is too large to compact (e.g. no spare disk room to merge two huge sstables). Not to mention that huge file is likely to bring troubles for some file systems, and it's hard to backup them. Nitan Kainth 于2019年1月14日周一 上午1:53写道: > > No, sstables