What’s the goal? How big are your partitions , size in MB and in rows? -- Rahul Singh rahul.si...@anant.us
Anant Corporation On Mar 12, 2018, 6:37 AM -0400, Hannu Kröger <hkro...@gmail.com>, wrote: > Anyone? > > > On 4 Mar 2018, at 20:45, Hannu Kröger <hkro...@gmail.com> wrote: > > > > Hello, > > > > I am trying to verify and understand fully the functionality of row cache > > in Cassandra. > > > > I have been using mainly two different sources for information: > > https://github.com/apache/cassandra/blob/0db88242c66d3a7193a9ad836f9a515b3ac7f9fa/src/java/org/apache/cassandra/db/SinglePartitionReadCommand.java#L476 > > AND > > http://cassandra.apache.org/doc/latest/cql/ddl.html#caching-options > > > > and based on what I read documentation is not correct. > > > > Documentation says like this: > > “rows_per_partition: The amount of rows to cache per partition (“row > > cache”). If an integer n is specified, the first n queried rows of a > > partition will be cached. Other possible options are ALL, to cache all rows > > of a queried partition, or NONE to disable row caching.” > > > > The problematic part is "the first n queried rows of a partition will be > > cached”. Shouldn’t it be that the first N rows in a partition will be > > cached? Not first N that are queried? > > > > If this is the case, I’m more than happy to create a ticket (and maybe even > > create a patch) for the doc update. > > > > BR, > > Hannu > > >
