The recommended version to use is 2.1.5 because, like you Carlos said, 2.1.6 and 2.1.7 are very new to consider them like
stable.

On 02/07/15 08:55, Carlos Rolo wrote:
Indeed you should upgrade to 2.1.7.

And then report if you are still facing problems. Versions up to 2.1.5 (in the 2.1.x series) are not considered stable.

Regards,

Carlos Juzarte Rolo
Cassandra Consultant
Pythian - Love your data

rolo@pythian | Twitter: cjrolo | Linkedin: _linkedin.com/in/carlosjuzarterolo <http://linkedin.com/in/carlosjuzarterolo>_
Mobile: +31 6 159 61 814 | Tel: +1 613 565 8696 x1649
www.pythian.com <http://www.pythian.com/>

On Thu, Jul 2, 2015 at 11:40 AM, Neha Trivedi <nehajtriv...@gmail.com <mailto:nehajtriv...@gmail.com>> wrote:

    any help?

    On Thu, Jul 2, 2015 at 6:18 AM, Neha Trivedi
    <nehajtriv...@gmail.com <mailto:nehajtriv...@gmail.com>> wrote:

        also:
        root@cas03:~# sudo service cassandra start
        root@cas03:~# lsof -n | grep java | wc -l
        5315
        root@cas03:~# lsof -n | grep java | wc -l
        977317
        root@cas03:~# lsof -n | grep java | wc -l
        880240
        root@cas03:~# lsof -n | grep java | wc -l
        882402


        On Wed, Jul 1, 2015 at 6:31 PM, Neha Trivedi
        <nehajtriv...@gmail.com <mailto:nehajtriv...@gmail.com>> wrote:

            One of the column family has SStable count as under :
            SSTable count: 98506

            Can it be because of 2.1.3 version of cassandra..
            I found this :
            https://issues.apache.org/jira/browse/CASSANDRA-8964

            regards
            Neha


            On Wed, Jul 1, 2015 at 5:40 PM, Jason Wee
            <peich...@gmail.com <mailto:peich...@gmail.com>> wrote:

                nodetool cfstats?

                On Wed, Jul 1, 2015 at 8:08 PM, Neha Trivedi
                <nehajtriv...@gmail.com
                <mailto:nehajtriv...@gmail.com>> wrote:

                    Hey..
                    nodetool compactionstats
                    pending tasks: 0

                    no pending tasks.

                    Dont have opscenter. how do I monitor sstables?


                    On Wed, Jul 1, 2015 at 4:28 PM, Alain RODRIGUEZ
                    <arodr...@gmail.com <mailto:arodr...@gmail.com>>
                    wrote:

                        You also might want to check if you have
                        compactions pending (Opscenter / nodetool
                        compactionstats).

                        Also you can monitor the number of sstables.

                        C*heers

                        Alain

                        2015-07-01 11:53 GMT+02:00 Neha Trivedi
                        <nehajtriv...@gmail.com
                        <mailto:nehajtriv...@gmail.com>>:

                            Thanks I will checkout.
                            I increased the ulimit to 100000, but I am
                            getting the same error, but after a while.
                            regards
                            Neha


                            On Wed, Jul 1, 2015 at 2:22 PM, Alain
                            RODRIGUEZ <arodr...@gmail.com
                            <mailto:arodr...@gmail.com>> wrote:

                                Just check the process owner to be
                                sure (top, htop, ps, ...)

                                
http://docs.datastax.com/en/cassandra/2.0/cassandra/install/installRecommendSettings.html#reference_ds_sxl_gf3_2k__user-resource-limits

                                C*heers,

                                Alain

                                2015-07-01 7:33 GMT+02:00 Neha Trivedi
                                <nehajtriv...@gmail.com
                                <mailto:nehajtriv...@gmail.com>>:

                                    Arun,
                                    I am logging on to Server as root
                                    and running (sudo service
                                    cassandra start)

                                    regards
                                    Neha

                                    On Wed, Jul 1, 2015 at 11:00 AM,
                                    Neha Trivedi
                                    <nehajtriv...@gmail.com
                                    <mailto:nehajtriv...@gmail.com>>
                                    wrote:

                                        Thanks Arun ! I will try and
                                        get back !

                                        On Wed, Jul 1, 2015 at 10:32
                                        AM, Arun <arunsi...@gmail.com
                                        <mailto:arunsi...@gmail.com>>
                                        wrote:

                                            Looks like you have too
                                            many open files issue.
                                            Increase the ulimit for
                                            the user.

                                             If you are starting the
                                            cassandra daemon using
                                            user cassandra, increase
                                            the ulimit for that user.


                                            > On Jun 30, 2015, at
                                            21:16, Neha Trivedi
                                            <nehajtriv...@gmail.com
                                            <mailto:nehajtriv...@gmail.com>>
                                            wrote:
                                            >
                                            > Hello,
                                            > I have a 4 node cluster
                                            with SimpleSnitch.
                                            > Cassandra :  Cassandra 2.1.3
                                            >
                                            > I am trying to add a new
                                            node (cassandra 2.1.7) and
                                            I get the following error.
                                            >
                                            > ERROR [STREAM-IN-]
                                            2015-06-30 05:13:48,516
                                            JVMStabilityInspector.java:94
                                            - JVM state determined to
                                            be unstable. Exiting
                                            forcefully due to:
                                            >
                                            java.io.FileNotFoundException:
                                            /var/lib/cassandra/data/-Index.db
                                            (Too many open files)
                                            >
                                            > I increased the
                                            MAX_HEAP_SIZE then I get :
                                            > ERROR
                                            [CompactionExecutor:9]
                                            2015-06-30 23:31:44,792
                                            CassandraDaemon.java:223 -
                                            Exception in thread
                                            Thread[CompactionExecutor:9,1,main]
                                            >
                                            java.lang.RuntimeException: 
java.io.FileNotFoundException:
                                            /var/lib/cassandra/data/-Data.db
                                            (Too many open files)
                                            >     at
                                            
org.apache.cassandra.io.compress.CompressedThrottledReader.open(CompressedThrottledReader.java:52)
                                            ~[apache-cassandra-2.1.7.jar:2.1.7]
                                            >
                                            > Is it because of the
                                            different version of
                                            Cassandra (2.1.3 and 2.17) ?
                                            >
                                            > regards
                                            > N
                                            >
                                            >
                                            >
                                            >
                                            >
                                            >
                                            >













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Marcos Ortiz <http://about.me/marcosortiz>, Sr. Product Manager (Data Infrastructure) at UCI
@marcosluis2186 <http://twitter.com/marcosluis2186>

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