Re: Why are automatic anti-entropy repairs required when hinted hand-off is enabled?

2017-04-27 Thread Thakrar, Jayesh
Thanks for the explanation, Alain - very helpful! From: Alain RODRIGUEZ <arodr...@gmail.com> Date: Thursday, April 27, 2017 at 6:12 AM To: <user@cassandra.apache.org> Subject: Re: Why are automatic anti-entropy repairs required when hinted hand-off is enabled? It happened to me i

Re: Why are automatic anti-entropy repairs required when hinted hand-off is enabled?

2017-04-27 Thread Alain RODRIGUEZ
;> >> >> >> And you might have noticed in the video that anti-entropy is to be done >> as "deemed" necessary and not to be done blindly as a rule. >> >> E.g. if your data is read-only (never mutated) then there is no need for >> anti-ent

Re: Why are automatic anti-entropy repairs required when hinted hand-off is enabled?

2017-04-27 Thread Alain RODRIGUEZ
inay-chella-netflix-cassandra-summit-2016 > > > > https://www.pythian.com/blog/effective-anti-entropy-repair-cassandra/ > > > > https://docs.datastax.com/en/cassandra/2.1/cassandra/tools/ > toolsRepair.html > > > > https://www.datastax.com/dev/blog/repair-in-ca

Re: Why are automatic anti-entropy repairs required when hinted hand-off is enabled?

2017-04-21 Thread Thakrar, Jayesh
;eugene.miret...@gmail.com> Date: Thursday, April 20, 2017 at 5:52 PM To: Conversant <jthak...@conversantmedia.com> Cc: "user@cassandra.apache.org" <user@cassandra.apache.org> Subject: Re: Why are automatic anti-entropy repairs required when hinted hand-off is enabled?

Re: Why are automatic anti-entropy repairs required when hinted hand-off is enabled?

2017-04-20 Thread eugene miretsky
miretsky <eugene.miret...@gmail.com> > *Date: *Thursday, April 6, 2017 at 3:35 PM > *To: *<user@cassandra.apache.org> > *Subject: *Why are automatic anti-entropy repairs required when hinted > hand-off is enabled? > > > > Hi, > > > > As I see it, if h

Re: Why are automatic anti-entropy repairs required when hinted hand-off is enabled?

2017-04-06 Thread Thakrar, Jayesh
<eugene.miret...@gmail.com> Date: Thursday, April 6, 2017 at 3:35 PM To: <user@cassandra.apache.org> Subject: Why are automatic anti-entropy repairs required when hinted hand-off is enabled? Hi, As I see it, if hinted handoff is enabled, the only time data can be inconsistent is when: 1. A

Why are automatic anti-entropy repairs required when hinted hand-off is enabled?

2017-04-06 Thread eugene miretsky
Hi, As I see it, if hinted handoff is enabled, the only time data can be inconsistent is when: 1. A node is down for longer than the max_hint_window 2. The coordinator node crushes before all the hints have been replayed Why is it still recommended to perform frequent automatic repairs,