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[expand - 2 more] - Tracing in cassandra - Cassandra - [mail # user]
...Using partition key is best way to query Sent from my iPhone> On Oct 12, 2018, at 6:49 PM, Abdul Patel  wrote:> > Yes with range queries its timing out, one question was the wh...
   Author: Nitan Kainth , 2018-10-13, 13:46
Compaction Strategy - Cassandra - [mail # user]
...It’s not recommended to disable compaction, you will end up with hundreds to thousands of sstables and increased read latency. If your data is immitable, means no update/deletes it will have...
   Author: Nitan Kainth , 2018-09-20, 02:36
Storage overhead for a row - Cassandra - [mail # user]
...Hi,We are trying to get to exact size of a row in table. All the data isstandard sized. As per dev team, partition size should be 10832 bytes. Butas per tablehistograms partition size is 170...
   Author: Nitan Kainth , 2018-09-14, 22:01
[expand - 3 more] - default_time_to_live vs TTL on insert statement - Cassandra - [mail # user]
...Okay so it means regular update and any ttl set with write overrides default setting. Which means datastax documentation is incorrect and should be updated.Sent from my iPhone> On Jul 12,...
   Author: Nitan Kainth , 2018-07-12, 13:49
Problem to activate mode DEBUG to see the slow queries - Cassandra - [mail # user]
...You can also enable traceprobability: /opt/cassandra/bin/nodetoolsettraceprobability 1It will populate system_traces keyspace where you can see details on queriesOn Thu, Jun 28, 2018 at 5:32...
   Author: Nitan Kainth , 2018-06-28, 15:42
[expand - 1 more] - copy sstables while cassandra is running - Cassandra - [mail # user]
...Yeah you are right Pradeep. I overlooked the point there. Sent from my iPhone> On Jun 24, 2018, at 1:10 PM, Pradeep Chhetri  wrote:> > I doubt mv will run instantly because cop...
   Author: Nitan Kainth , 2018-06-24, 20:05
[expand - 2 more] - Timestamp on hints file and system.hints table data - Cassandra - [mail # user]
...Kurt,Hint file matches UUID matches with another node in the cluster:-rw-r--r--. 1 root root  6848246 May 13 23:371b694180-210a-4b75-8f2a-748f4a5b6a3d-1526254645089-1.hints/opt/cassandr...
   Author: Nitan Kainth , 2018-06-14, 13:19
Options to replace hardware of the cluster - Cassandra - [mail # user]
...Both are good options, a new data center in same cluster will work faster as you can stream multiple nodes.Or you can add 8 nodes to existing data center and then decommission one node at a ...
   Author: Nitan Kainth , 2018-06-14, 12:17
[expand - 1 more] - Restoring snapshot - Cassandra - [mail # user]
...Change RF fir k2 and then see.Sent from my iPhone> On Jun 13, 2018, at 7:05 AM,   wrote:> > For both K1 and K2, replication factor is 2 in the new cluster(although the number o...
   Author: Nitan Kainth , 2018-06-13, 11:08
[expand - 1 more] - Read Latency Doubles After Shrinking Cluster and Never Recovers - Cassandra - [mail # user]
...I think it would because it Cassandra will process more sstables to create response to read queries.Now after clean if the data volume is same and compaction has been running, I can’t think ...
   Author: Nitan Kainth , 2018-06-11, 14:40