I wonder now if "get_range_slices" call will ever look for data in row cache. I don't see it in the codebase. Only the "get" call will check row cache?
On Wed, Sep 26, 2012 at 12:11 AM, Charles Brophy <cbro...@zulily.com> wrote: > There are settings in cassandra.yaml that will _gradually_ reduce the > available cache to zero if you are under constant memory pressure: > > # Set to 1.0 to disable. <snip> > reduce_cache_sizes_at: * > reduce_cache_capacity_to: * > > My experience is that the cache size will not return to the configured > size until a service restart if you leave this enabled. The text of this > setting is not explicit about the long-term cache shrinkage, so it's easy > to think that it will restore the cache to its configured size after the > pressures have subsided. It won't. > > Charles > > On Tue, Sep 25, 2012 at 8:14 AM, Manu Zhang <owenzhang1...@gmail.com>wrote: > >> I've enabled row cache and set its capacity to 10MB but when I check its >> size in jconsole it's always 0. Isn't it that a row will be written to row >> cache if it isn't there when I read the row? I've bulk loaded the data into >> disk so row cache is crucial to the performance. > > >
