PTS -XX:+UseTLAB"
JVM_OPTS="$JVM_OPTS -XX:CompileCommandFile=$CASSANDRA_CONF/hotspot_compiler"
JVM_OPTS="$JVM_OPTS -XX:CMSWaitDuration=60000"
memtable_heap_space_in_mb: 1024
memtable_offheap_space_in_mb: 10240
memtable_cleanup_threshold: 0.55
memtable_allocation_type
x27;s total throughput is above 200,000 /s .
郝加来
From: Jack Krupansky
Date: 2015-11-05 23:24
To: user@cassandra.apache.org
Subject: Re: why cassanra max is 2/s on a node ?
I don't know what current numbers are, but last year the idea of getting 1
million writes per second on a 96
right ,
but wo want a node 's throught is above million , so if the system hava fifty
table , a single table can achive 2/s .
郝加来
From: Eric Stevens
Date: 2015-11-05 23:56
To: user@cassandra.apache.org
Subject: Re: why cassanra max is 2/s on a node ?
> 512G memory , 128
and b ,the throught on table
' a is drop , and a + b 'sum is the 20000/s .
郝加来
From: Graham Sanderson
Date: 2015-11-06 11:06
To: user@cassandra.apache.org
Subject: Re: why cassanra max is 2/s on a node ?
Agreed too. It also matters what you are inserting… if you are inserting t
many connection ?
郝加来
From: Jason Lewis
Date: 2015-11-07 10:38
To: user@cassandra.apache.org
Subject: Re: Too many open files Cassandra 2.1.11.872
cat /proc/5980/limits
Limit Soft Limit Hard Limit Units
Max cpu time unlimited