Cassandra Disk storage capacity

2014-04-07 Thread Hari Rajendhran
Hi Team, We have a 3 node Apache cassandra 2.0.4 setup installed in our lab setup.We have set data directory to /var/lib/cassandra/data.What would be the maximum  disk storage that will be used for cassandra data storage. Note : /var partition has a storage capacity of 40GB. My question is

Re: Cassandra Disk storage capacity

2014-04-07 Thread Jan Kesten
Hi Hari, C* will use your entire space - that is something one should monitor. Depending on your choose on compaction strategy your data_dir should not be filled up entirely - in the worst case compaction will need space as large as the sstables on disk, therefore 50% should be free space.

Re: Cassandra Disk storage capacity

2014-04-07 Thread Prem Yadav
you can specify multiple data directories in cassandra.yaml. ex: data_file_directories: - /var/lib.cass1 - /var/lib/cass2 -/some_other_mountpoint On Mon, Apr 7, 2014 at 12:10 PM, Jan Kesten j.kes...@enercast.de wrote: Hi Hari, C* will use your entire space - that is something one

RE: Cassandra Disk storage capacity

2014-04-07 Thread Romain HARDOUIN
: Cassandra Disk storage capacity Hi Team, We have a 3 node Apache cassandra 2.0.4 setup installed in our lab setup.We have set data directory to /var/lib/cassandra/data.What would be the maximum disk storage that will be used for cassandra data storage. Note : /var partition has

Re: Cassandra Disk storage capacity

2014-04-07 Thread Hari Rajendhran
...@enercast.de Date: 04/07/2014 04:41PM Subject: Re: Cassandra Disk storage capacity Hi Hari, C* will use your entire space - that is something one should monitor. Depending on your choose on compaction strategy your data_dir should not be filled up entirely - in the worst case compaction will need space

Re: Cassandra Disk storage capacity

2014-04-07 Thread Jan Kesten
Am 07.04.2014 13:24, schrieb Hari Rajendhran: 1) I am confused why cassandra uses the entire disk space ( / Directory) even when we specify /var/lib/cassandra/data as the directory in Cassandra.yaml file 2) Is it only during compaction ,cassandra will use the entire Disk space ? 3) What is the

Re: Cassandra Disk storage capacity

2014-04-07 Thread Bèrto ëd Sèra
...@enercast.de Date: 04/07/2014 04:41PM Subject: Re: Cassandra Disk storage capacity Hi Hari, C* will use your entire space - that is something one should monitor. Depending on your choose on compaction strategy your data_dir should not be filled up entirely - in the worst case compaction