Anti Compactions while running repair

2020-11-05 Thread manish khandelwal
In documentation it is given that while running incremental repairs, anti compaction is done which results in repaired and unrepaired sstables. Since anti compaction also runs with full repair and primary range repairs, I have the following question: Is anti compaction different in case of full r

Re: running repairs on insert-only tables

2020-11-05 Thread Mitch Gitman
Jeff, good to hear from you. Based on what you're saying, we can avoid regular repairs on these tables. We can live with the read repairs because the bulk of these tables are being used strictly for analytics queries by Spark jobs or for ad-hoc queries by members of the technical team. They're no

Re: running repairs on insert-only tables

2020-11-05 Thread Jeff Jirsa
> On Nov 5, 2020, at 10:18 AM, Mitch Gitman wrote: > Hi! > > Now, we could comfortably run all the repairs we need to within our off-hours > window if we just left out all our tables that are insert-only. By > insert-only, I mean that we have certain classes of tables that we're only >

running repairs on insert-only tables

2020-11-05 Thread Mitch Gitman
With all the years I've been working with Cassandra, I'm embarrassed that I have to ask this question. We have some tables that are taking longer to repair than we're comfortable with. We're on Cassandra 3.11, so we have to run full repairs as opposed to incremental repairs, which to my understand

Increased read latency with Cassandra >= 3.11.7

2020-11-05 Thread Jai Bheemsen Rao Dhanwada
Hello Nicolai, I am also looking to upgrade to 3.11.8. Is the latency you noticed is only with TWCS? And others looks good? On Thursday, November 5, 2020, Ahmed Eljami wrote: > +1 > I would also be interested to know if the 3.11.9 provide any improvement > for your case. > Cheers. > > Le mer. 4

Re: Increased read latency with Cassandra >= 3.11.7

2020-11-05 Thread Ahmed Eljami
+1 I would also be interested to know if the 3.11.9 provide any improvement for your case. Cheers. Le mer. 4 nov. 2020 à 14:53, Johannes Weißl a écrit : > Hi Nico, > > On Mon, Sep 14, 2020 at 03:51PM +0200, Nicolai Lune Vest wrote: > > after upgrading my Cassandra nodes from version 3.11.6 to ei