Cassandra Schema History

2019-05-16 Thread Mark Bidewell
We have some cassandra tables that have undergone extensive modification over the life of our application. This has lead to a significant alter table history. It is my understanding that this history is necessary to process sstables that may contain columns that might have been removed. Due to

Re: datacorruption with cassandra 2.1.11

2019-05-16 Thread Anthony Grasso
Did you roll back to OpenJDK 1.7u181 or did you upgrade to a more recent version? On Thu, 16 May 2019 at 13:43, keshava wrote: > The java version that we were using and which turns out to be causing this > issue was OpenJdk 1.7 u191 > > On 16-May-2019 06:02, "sankalp kohli" wrote: > >> which

Re: Bloom filter false positives high

2019-05-16 Thread Martin Mačura
I've decreased bloom_filter_fp_chance from 0.01 to 0.001. The sstableupgrade took 3 days to complete. And this is a result: node1 Bloom filter false positives: 380965 Bloom filter false ratio: 0.46560 Bloom filter space used: 27.1 MiB

Re: [EXTERNAL] Two separate rows for the same partition !!

2019-05-16 Thread Ahmed Eljami
The issue is fixed with nodetool scrub, now both rows are under the same clustering. I'll open a jira to analyze the source of this issue with Cassandra 3.11.3 Thanks. Le jeu. 16 mai 2019 à 04:53, Jeff Jirsa a écrit : > I don’t have a good answer for you - I don’t know if scrub will fix this