Re: cassandra slows down after inserts

2009-07-12 Thread Sandeep Tata
What hardware are you running one? How long does the slowdown last ? There are a few reasons for temporary slowdowns ... perhaps the JVM started GCing? Cassandra spends time cleaning up the on-disk SSTables in a process called compaction. This could cause the client to observe a slowdown. Things

cassandra slows down after inserts

2009-07-12 Thread rkmr...@gmail.com
hi im using the default config from the svn trunk for everything: tables, column, supercolumn, single node etc. im inserting rows like this for u in users: client.insert('Table1', str(u.uid), 'Super1:attrs:key', str(u.key), timestamp, False) after about 100k rows, cassandra completely sl

Re: Can we connect to every node in cassandra ?

2009-07-12 Thread Jonathan Ellis
Every node assumes each other node listens on the same ports. (This might seem inflexible but it is actually a good policy to enforce.) So just make sure those numbers are consistent across the cluster. On Sun, Jul 12, 2009 at 5:31 PM, wrote: > Yes. There are more ports than just '9160' to consi

Re: Can we connect to every node in cassandra ?

2009-07-12 Thread mobiledreamers
*Yes. There are more ports than just '9160' to consider. Gossip, Storage, UDP, etc. So as long as the other nodes have similar configs, just setting the IP's in the seed section is good enough.* Thanks chris How do we specify 9160, gossip,storage, udp in the seeds xml section On Sun, Jul 12, 2009

Re: Can we connect to every node in cassandra ?

2009-07-12 Thread Chris Goffinet
On Jul 12, 2009, at 1:34 PM, mobiledream...@gmail.com wrote: Say there are 4 nodes in cassandra, is it possible that we can send insert/delete/update queries to any of the nodes? Yes. Using the default partitioner, its designed to connect to any nodes. Do all the data stores in oth

Can we connect to every node in cassandra ?

2009-07-12 Thread mobiledreamers
Hey guys *Say there are 4 nodes in cassandra, is it possible that we can send insert/delete/update queries to any of the nodes?* 127.0.0.1 x.x.x.x 2.4.11.3 23.41.121.43 *Do all the data stores in other nodes need to be runnin on port 9160 as there is no