Pages

▼
Showing posts with label nodetool. Show all posts
Showing posts with label nodetool. Show all posts
Sunday, November 23, 2014

Investigate into why key cache in apache cassandra 1.0.8 gets reduced

›
Today, we will investigate into apache cassandra 1.0.8 when and why it reduce configured key cache . If you run the command nodetool cfstats...
Friday, May 16, 2014

Learn and experiment with cassandra trigger

›
In cassandra 2.0, an experimental trigger was introduced and this seem exciting to bring cassandra into a whole new level . Today, by using...
2 comments:
Monday, April 21, 2014

Enable or disable sstable compression?

›
In cassandra 2.0.6, there are a few compression for sstables, the default is LZ4Compressor . There are others such as DeflateCompressor , Sn...
1 comment:
Sunday, April 13, 2014

Research into cassandra nodetool cfhistograms and interpret statistics

›
What is nodetool cfhistogram ? According to the official documentation definition : The nodetool cfhistograms command provides statistics a...
1 comment:
Saturday, April 12, 2014

Learn and play with cassandra 2.0.6 snapshot and restore

›
Snapshot of cassandra appearing as early as cassandra version 0.4.0 beta. Today, we are going to learn on cassandra snapshot. Note that if y...

Investigate into cassandra 1.0.8 compaction

›
So what happened what you trigger compact via nodetool? In a nutshell, it goes into a series of low levels java calls. The execution started...
1 comment: