mmap sstables? It's normal
2012/4/5 Omid Aladini
> Hi,
>
> I'm experiencing a steady growth in resident size of JVM running
> Cassandra 1.0.7. I disabled JNA and off-heap row cache, tested with
> and without mlockall disabling paging, and upgraded to JRE 1.6.0_31 to
> prevent this bug [1] to lea
You need to see if the timeout is from the client to the server, or between the
server nodes.
If it's server side a TimedOutException will be thrown from thrift. Take a look
at the nodetool tpstats on the servers, you will probably see lots of "Pending"
tasks. Basically the cluster is overload
> We need to query data by each column, do pagination as below,
>
> select * from book where isbn < "XYZ" order by ISBN descending limit 30;
> select * from book where price < 992 order by price descending limit 30;
> select * from book where col_n1 < 789 order by col_n1 descending limit