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From Roland Etzenhammer <>
Subject Re: Many pending compactions
Date Mon, 16 Feb 2015 19:12:19 GMT

1) Actual Cassandra 2.1.3, it was upgraded from 2.1.0 (suggested by Al 
Tobey from DataStax)
7) minimal reads (usually none, sometimes few)

those two points keep me repeating an anwser I got. First where did you 
get 2.1.3 from? Maybe I missed it, I will have a look. But if it is 
2.1.2 whis is the latest released version, that version has many bugs - 
most of them I got kicked by while testing 2.1.2. I got many problems 
with compactions not beeing triggred on column families not beeing read, 
compactions and repairs not beeing completed.  See

Apart from that, how are those both datacenters connected? Maybe there 
is a bottleneck.

Also do you have ntp up and running on all nodes to keep all clocks in 
thight sync?

Note: I'm no expert (yet) - just sharing my 2 cents.


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