Did you disable auto compaction through nodetool? disableautocompaction Disable autocompaction for the given keyspace and column family
Jason On Mon, Jan 26, 2015 at 11:34 AM, 曹志富 <cao.zh...@gmail.com> wrote: > Hi everybody: > > I have 18 nodes using cassandra2.1.2.Every node has 4 core, 32 GB RAM, 2T > hard disk,OS is CentOS release 6.2 (Final). > > I have follow the <Recommended production settings> to config my > system.such as disable SWAP,unlimited mem lock... > > My heap size is: > > MAX_HEAP_SIZE="8G" > MIN_HEAP_SIZE="8G" > HEAP_NEWSIZE="2G" > > I use STCS,other config using default,using Datastax Java Driver 2.1.2. > BatchStatment 100key commit per time. > > When I run my cluster and insert data from kafka (10000 keys/s) after 2 > days,every node can't compact some there too many sstables. > > I try to use major compact to compact the sstables , it cost a long long > time .Also the new sstables can't compat automatic. > > > I trace the log , the CMS GC too often,almost 30 minute onetime. > > Could someone help me to solve this problem. > > > -------------------------------------- > 曹志富 > 手机：18611121927 > 邮箱：caozf.zh...@gmail.com > 微博：http://weibo.com/boliza/ >
