Re: one node down and cluster works better

2020-04-04 Thread mehmet bursali
Hi Osman,Do you use any monitoring solution such as prometheus on your cluster?  If yes, you should install and use cassandra exporter from the link below and examine some detailed metrics.https://github.com/criteo/cassandra_exporter   ndroid’de Yahoo Postadan gönderildi 15:53’’4e’ 4 Nis 2020

Re: Materialized View's additional PrimaryKey column

2019-07-25 Thread mehmet bursali
they're marked as experimental (and disabled by default).  You should maintain the other tables yourself. Jon On Thu, Jul 25, 2019 at 12:22 AM mehmet bursali wrote: Hi Jon, thanks for your suggestion (or warning :) ). yes, i've read sth. about your point and i know that just because

Re: high write latency on a single table

2019-07-25 Thread mehmet bursali
:.* ( reads from table metrics in cassandra https://cassandra.apache.org/doc/latest/operating/metrics.html#table-metrics ) On Wednesday, July 24, 2019, 11:51:28 PM GMT+3, CPC wrote: Hi Mehmet, Yes prometheus and opscenter On Wed, 24 Jul 2019 at 17:09, mehmet bursali wrote: hi,do

Re: Materialized View's additional PrimaryKey column

2019-07-25 Thread mehmet bursali
r of teams move off them.  Not sure what list of bugs you read, but if the list didn't include "will destabilize your cluster to the point of constant downtime" then the list was incomplete. Jon On Wed, Jul 24, 2019 at 6:32 AM mehmet bursali wrote: + additional info: our

Re: high write latency on a single table

2019-07-24 Thread mehmet bursali
hi,do you use any perfomance monitoring tool like prometheus? On Monday, July 22, 2019, 1:16:58 PM GMT+3, CPC wrote: Hi everybody, State column contains "R" or "D" values. Just a single character. As Rajsekhar said, only difference is the table can contain high number of cell count.

Re: Materialized View's additional PrimaryKey column

2019-07-24 Thread mehmet bursali
+ additional info: our production environment is a multiDC cluster that consist of 6 nodes in 2 DataCenters On Wednesday, July 24, 2019, 3:35:11 PM GMT+3, mehmet bursali wrote: Hi Cassandra folks,I'm planning to use Materialized View (MV) on production for some specific

Materialized View's additional PrimaryKey column

2019-07-24 Thread mehmet bursali
Hi Cassandra folks,I'm planning to use Materialized View (MV) on production for some specific cases.  I've read a lot of blogs, technical documents about the risks of using it  and everything seems ok for our use case. My question is about consistency(also durability) evaluation of MV usage with