Amy Tobey's tuning guide for Cassandra 3 ?

2018-09-04 Thread Jeronimo de A. Barros
Hi guys, Does anyone know about a CAS3 tuning guide like the excellent Amy's Cassandra 2.1 tuning guide ? It would be much appreciated. Regards, Jero

Re: Java 10 for Cassandra 3.11.3

2018-09-03 Thread Jeronimo de A. Barros
t; > Thanks, > Andy > > On Mon, Sep 3, 2018 at 8:45 AM Jeronimo de A. Barros < > jeronimo.bar...@gmail.com> wrote: > >> Hi guys, >> >> I'd like to know which java version to use with Cassandra 3.11.3. Is Java >> 10 already supported ? Is it safe ? >> >> Thanks. >> >

Java 10 for Cassandra 3.11.3

2018-09-03 Thread Jeronimo de A. Barros
Hi guys, I'd like to know which java version to use with Cassandra 3.11.3. Is Java 10 already supported ? Is it safe ? Thanks.

Re: Text or....

2018-04-04 Thread Jeronimo de A. Barros
Hi, We use a pseudo file-system table where the chunks are blobs of 64 KB and we never had any performance issue. Primary-key structure is ((file-uuid), chunck-id). Jero On Wed, Apr 4, 2018 at 9:25 AM, shalom sagges wrote: > Hi All, > > A certain application is writing ~55,000 characters for

Re: Measuring eventual consistency latency

2018-03-26 Thread Jeronimo de A. Barros
/CASSANDRA-11569 > > Cheers, > > Christophe > > On 26 March 2018 at 10:01, Jeronimo de A. Barros < > jeronimo.bar...@gmail.com> wrote: > >> I'd like to know if there is a reasonable method to measure how long take >> to have the data available across a

Measuring eventual consistency latency

2018-03-25 Thread Jeronimo de A. Barros
I'd like to know if there is a reasonable method to measure how long take to have the data available across all replica nodes in a multi DC environment using LOCAL_ONE or LOCAL_QUORUM consistency levels. If already there be a study about this topic in some place and someone could point me the dire

Re: Running Cassandra on FreeBSD

2017-11-20 Thread Jeronimo de A. Barros
Jens, Al Tobey's Cassandra 2.1 tuning guide has excellents infos about running Cassandra. Apparently he uses Arch Linux and we've been using Slackware Linux in a 12 node cluster (2 DCs 6/6) for the last 3 years with no problems. https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html Y

Re: cassandra hardware requirements (STAT/SSD)

2017-10-03 Thread Jeronimo de A. Barros
Hello, It's a bit old but at least for me, still a great guide: https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html My 2 cents: We deal with electronic invoices and our load is about 10,000 transactions/s during the peak housr. We are not located in USA, so AWS would be a bit expen

Re: Lightweight Transactions during datacenter outage

2016-06-08 Thread Jeronimo de A. Barros
ignores DCs. > > On Tue, Jun 7, 2016 at 12:26 PM, Jeronimo de A. Barros < > jeronimo.bar...@gmail.com> wrote: > >> Hi, >> >> I have a cluster spreaded among 2 datacenters (DC1 and DC2), two server >> on each DC and I have a keyspace with NetworkTopologyStrat

Lightweight Transactions during datacenter outage

2016-06-07 Thread Jeronimo de A. Barros
Hi, I have a cluster spreaded among 2 datacenters (DC1 and DC2), two server on each DC and I have a keyspace with NetworkTopologyStrategy (DC1:2 and DC2:2) with the following table: CREATE TABLE test ( k1 int, k2 timeuuid, PRIMARY KEY ((k1), k2) ) WITH CLUSTERING ORDER BY (k2 DESC) During

Re: Cassandra throwing java exceptions for nodetool repair on indexed tables

2014-09-29 Thread Jeronimo de A. Barros
Hi again, On Mon, Sep 29, 2014 at 3:16 PM, Robert Coli wrote: > Don't run 2.1 in production yet if you don't want to deal with bugs like > this in production. > Well, I got the last "stable" cassandra... going back to 2.0 then. > If you do file a JIRA, please let the list know what the URL is

Cassandra throwing java exceptions for nodetool repair on indexed tables

2014-09-29 Thread Jeronimo de A. Barros
Hi All, We're running 2 cassandra 2.1 clusters (development and production) and whenever I run a nodetool repair on indexed tables I get an java exception about creating snapshots: Command line: [2014-09-29 11:25:24,945] Repair session 73c0d390-47e4-11e4-ba0f-c7788dc924ec for range (-72986898607

Re: nodetool status returning negative load values on 2.1.0-rc4

2014-07-29 Thread Jeronimo de A. Barros
; > > > On Tue, Jul 29, 2014 at 5:32 PM, Jeronimo de A. Barros < > jeronimo.bar...@gmail.com> wrote: > >> Hi everyone, >> >> After upgrade and clean install on a 5 nodes cluster: >> >> Datacenter: datacenter1 >> === >&

nodetool status returning negative load values on 2.1.0-rc4

2014-07-29 Thread Jeronimo de A. Barros
Hi everyone, After upgrade and clean install on a 5 nodes cluster: Datacenter: datacenter1 === Status=Up/Down |/ State=Normal/Leaving/Joining/Moving -- Address Load Tokens Owns (effective) Host ID Rack UN 192.168.3.50 -123645 bytes 256 6