JOB | Front End React Developer (Lead/Architect) in London, UK

Hello, I'm working with an employer that is looking to hire (at their London office) a permanent front end (React) developer that can fulfil the role of lead/architect. Consequently, I had hoped that some members of this mailing list might like to discuss further. I can be contacted off-list using

Re: Cassandra JVM configuration

On 2019-09-06 11:02, Oleksandr Shulgin wrote: On Fri, Sep 6, 2019 at 11:00 AM wrote: - reads => as much as possible - huge stream of requests - data => 186GB on each node - the reads are unpredictable - there's (in the cluster) about 6 billions of records I wonder though, if it makes sense t

Drastic increase of bloom filter sizer after upgrading from 2.2.14 to 3.11.4

Hi there, we just finished upgrading sstables on a single node after upgrading from  2.2.14 to 3.11.4. Since then, we noted a drastic increase of off heap memory consumption. This is due to increased bloom filter size. According to cfstats output "Bloom filter off heap memory used" increased by a

Re: Drastic increase of bloom filter sizer after upgrading from 2.2.14 to 3.11.4

A few more details: 1. bloom_filter_fp_chance is set to 0.01 2. I reviewed CASSANDRA-8413 (https://github.com/apache/cassandra/commit/23fd75f27c40462636f09920719b5dcbef5b8f36 ) and this should not have lead t

Re: Is this something to be concerned about? Compaction Error reported in the log every minute

THank you for the response. We have an upgrade planned for beginning of next year. Just saw this one of error in the error logs. Not sure if this helps. ERROR [CompactionExecutor:6] 2019-09-10 11:26:20,356 CassandraDaemon.java:217 - Exception in thread Thread[CompactionExecutor:6,1,main] java.l

Re: How can I add blank values instead of null values in cassandra ?

When using prepared statements, you could use "unset": https://github.com/datastax/java-driver/blob/4.x/manual/core/statements/prepared/README.md#unset-values That should solve the tombstone problem but might need code changes. Regards, Swen Am Di., 10. Sept. 2019 um 04:50 Uhr schrieb Nitan Kai