cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Peter Schuller <>
Subject Re: Memory Usage of a connection
Date Fri, 31 Aug 2012 05:57:54 GMT
> Could these 500 connections/second cause (on average) 2600Mb memory usage
> per 2 second ~ 1300Mb/second.
> or For 1 connection around 2-3Mb.

In terms of garbage generated it's much less about number of
connections as it is about what you're doing with them. Are you for
example requesting large amounts of data? Large or many columns (or
both), etc. Essentially all "working" data that your request touches
is allocated on the heap and contributes to allocation rate and ParNew

/ Peter Schuller (@scode,

View raw message