Re: Bootstrap streaming issues

2018-10-23 Thread Jai Bheemsen Rao Dhanwada
Also, I see this issue only when I have more columnfamilies. looks like be number of vnodes * number of CF combination. does anyone have any idea on this? On Tue, Oct 23, 2018 at 9:48 AM Jai Bheemsen Rao Dhanwada < jaibheem...@gmail.com> wrote: > Did anyone run into similar issues? > > On Thu,

Re: Aggregation of Set Data Type

2018-10-23 Thread DuyHai Doan
You will need to use user defined aggregates for this Le 23 oct. 2018 16:46, "Joseph Wonesh" a écrit : > Hello all, > > I am trying to aggregate rows which each contain a column of Set. > I would like the result to contain the sum of all sets, where null would be > equivalent to the empty set.

RE: [EXTERNAL] Re: Installing a Cassandra cluster with multiple Linux OSs (Ubuntu+CentOS)

2018-10-23 Thread Durity, Sean R
Agreed. I have run clusters with both RHEL5 and RHEL6 nodes. Sean Durity From: Jeff Jirsa Sent: Sunday, October 14, 2018 12:40 PM To: user@cassandra.apache.org Subject: [EXTERNAL] Re: Installing a Cassandra cluster with multiple Linux OSs (Ubuntu+CentOS) Should be fine, just get the java and

Re: Bootstrap streaming issues

2018-10-23 Thread Jai Bheemsen Rao Dhanwada
Did anyone run into similar issues? On Thu, Sep 6, 2018 at 10:27 AM Jai Bheemsen Rao Dhanwada < jaibheem...@gmail.com> wrote: > Here is the stacktrace from the failure, it looks like it's trying to > gather all the columfamily metrics and going OOM. Is this just for the JMX > metrics? > > >

Cassandra 4.0

2018-10-23 Thread Abdul Patel
Hi all, Any idea when 4.0 is planned to release?

RE: TWCS: Repair create new buckets with old data

2018-10-23 Thread Meg Mara
Hi Maik, I noticed in your table description that your default_time_to_live = 0, so where is your TTL property set? At what point do your sstables get tombstoned? Also, could you please mention what kind of repair you performed on this table? (Incremental, Full, Full repair with -pr option)

Aggregation of Set Data Type

2018-10-23 Thread Joseph Wonesh
Hello all, I am trying to aggregate rows which each contain a column of Set. I would like the result to contain the sum of all sets, where null would be equivalent to the empty set. I expected a query like: "select sum(my_set_column) from my_table group by my_key_column" to do this, but the set

Re: Nodetool info for heap usage

2018-10-23 Thread Horia Mocioi
Hello, I aggre with Anup, nodetool is adding some overhead. You could use dstat or sjk ttop. See below some link to get started: https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html