Re: 2.2 eats memory

I just checked our monitoring and we are measuring MemAvailable from  /proc/meminfo which is consistent with available memory reported by free and top. Thanks for pointing that out. Would be nice if that would have been the problem... Cheers, Matthias Aug 27, 2018, 2:11 PM by k...@instaclustr.

Re: 2.2 eats memory

I'm thinking it's unlikely that top is lying to you. Are you sure that you're measuring free memory versus available memory? Cassandra will utilise the OS page cache heavily, which will cache files in memory but leave the memory able to be reclaimed if needed. Have you checked the output of free? I

2.2 eats memory

Hi there, after upgrading from 2.1 to 2.2.13, Cassandra eats up all available memory within one week. The following is a diagram of the left available RAM of a single node over the course of a week: https://imgur.com/a/H9BDBxC Nodes are bare metal, 12 cores with 64G