Re: Cassandra JVM configuration

2019-09-10 Thread pat
be updated, but updates can be done only after processing of data finished. No, accessing through the id. How can I get number of rows within the partition? Never need this. Thanks Pat Freehosting PIPNI - htt

Re: Cassandra JVM configuration

2019-09-06 Thread pat
- 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'll try change the garbage collector. Thanks Pat On 2019-09-05 16:38, Jeff Jirsa wrote: Lot of varia

Re: Cassandra JVM configuration

2019-09-06 Thread pat
Thanks for suggestion. Pat On 2019-09-05 16:19, ZAIDI, ASAD wrote: Every use case is unique so as such jvm configs go with it. 8G may or may not be sufficient depending on live data you keep in, or fetch to memory. You can opt using G1GC, that is easy to start with. Some good suggestions

Cassandra JVM configuration

2019-09-05 Thread pat
wer I've found that suggested size for node is 8GB of RAM, but I have doubts. Thanks Pat Freehosting PIPNI - http://www.pipni.cz/ - To unsubscribe, e-mail: user-unsubscr...@cassandra

Re: loading big amount of data to Cassandra

2019-08-03 Thread pat
Thanks to all, I'll try the SSTables. Thanks Pat On 2019-08-03 09:54, Dimo Velev wrote: Check out the CQLSSTableWriter java class - https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/io/sstable/CQLSSTableWriter.java . You use it to generate sstables - you ne

loading big amount of data to Cassandra

2019-08-02 Thread pat
works related to indexing? In SQL databases when uploading such amount of data is suggested to turn off indexing and then turn on. Is something simmillar possible in Cassandra? Thanks for all suggestions. Pat Freehosting PIPNI - http://www.pip

number of deleted/updated records

2018-12-14 Thread pat
Hi, I'm new to Cassandra and I want to ask this question: is it possible to get number of deleted/updated records? I'm using Cassandra 3.11.3 and DataStax Java driver. Thanks Pat Freehosting PIPNI - http://ww