Re: sstableupgrade is giving commitlog dir is not readable and writable for the DSE

2018-03-13 Thread AI Rumman
I found the issue. I was running the nodetool command from another user. Sorry for the noise. Thanks. On Tue, Mar 13, 2018 at 6:45 PM, AI Rumman wrote: > Hi, > > I am trying to upgrade Datastax Cassandra 4.8.14 to 5.0.12, which is > Cassandra version 2.0.1 to 3.4.0. > > Th

sstableupgrade is giving commitlog dir is not readable and writable for the DSE

2018-03-13 Thread AI Rumman
Hi, I am trying to upgrade Datastax Cassandra 4.8.14 to 5.0.12, which is Cassandra version 2.0.1 to 3.4.0. The software upgrade operation went fine. But during sstable upgrade, I am getting the following error: nodetool upgradesstables error: commitlog directory '/cassandra_dir/commitlog' or, if

What is OneMinuteRate in Write Latency?

2017-11-02 Thread AI Rumman
Hi, I am trying to calculate the Read/second and Write/Second in my Cassandra 2.1 cluster. After searching and reading, I came to know about JMX bean "org.apache.cassandra.metrics:type=ClientRequest,scope=Write,name=Latency". Here I can see oneMinuteRate. I have started a brand new cluster and sta

Cassandra proxy to control read/write throughput

2017-10-25 Thread AI Rumman
Hi, I am using different versions of Casandra in my environment where I have 60 nodes are running for different applications. Each application is connecting to its own cluster. I am thinking about abstracting the Cassandra IP from app drivers. App will communicate to one proxy IP which will redire

Re: [EXTERNAL] Cassandra copy command is giving OverflowError

2017-09-22 Thread AI Rumman
ohapatra, Kishore < kishore.mohapa...@nuance.com> wrote: > Try this. > > > > COPY keyspace1.table1 TO '/tmp/table1.csv' WITH PAGETIMEOUT=40 AND > PAGESIZE=20; > > > > Thanks > > > > *Kishore Mohapatra* > > Principal Operatio

Cassandra copy command is giving OverflowError

2017-09-21 Thread AI Rumman
Hi, This is my first post here. I am copying my writings from https://stackoverflow.com/questions/46354677/cassandra-copy-command-is-giving-overflowerror I am new with Cassandra and running DataStax Cassandra 4.8.14. My cluster is as: 3 nodes - cassandra 3 nodes - solr search by DataStax Ta