You experience is not uncommon. There was a recent thread on this with a variety of details on when to use row caching: http://www.mail-archive.com/user@cassandra.apache.org/msg31693.html
tl;dr - it depends completely on use case. Small static rows work best. On Mon, Sep 2, 2013 at 2:05 PM, Sávio Teles <savio.te...@lupa.inf.ufg.br>wrote: > I'm running the Cassandra 1.2.4 and when I enable the row_cache, the > system throws TImeoutExcpetion and Garbage Collection don't stop. > > When I disable the query returns in 700ms. > > *Configuration: > > * > > - *row_cache_size_in_mb: 256* > - *row_cache_save_period: 0* > - *# row_cache_keys_to_save: 100* > - *row_cache_provider: SerializingCacheProvider* > > Why is this happening? > > > Thanks in advance!! > ** > > -- > Atenciosamente, > Sávio S. Teles de Oliveira > voice: +55 62 9136 6996 > http://br.linkedin.com/in/savioteles > Mestrando em Ciências da Computação - UFG > Arquiteto de Software > Laboratory for Ubiquitous and Pervasive Applications (LUPA) - UFG >
