Re: Cassandra 4 alpha/alpha2

2019-10-31 Thread Jon Haddad
What artifact did you use and what OS are you on? On Thu, Oct 31, 2019 at 12:40 PM Abdul Patel wrote: > Hey Everyone > > Did anyone was successfull to install either alpha or alpha2 version for > cassandra 4.0? > Found 2 issues : > 1> cassandra-env.sh: > JAVA_VERSION varianle is not defined. >

Cassandra 4 alpha/alpha2

2019-10-31 Thread Abdul Patel
Hey Everyone Did anyone was successfull to install either alpha or alpha2 version for cassandra 4.0? Found 2 issues : 1> cassandra-env.sh: JAVA_VERSION varianle is not defined. Jvm-server.options file is not defined. This is fixable and after adding those , the error for cassandra-env.sh errora

RE: [EXTERNAL] Re: Cassandra 3.11.4 Node the load starts to increase after few minutes to 40 on 4 CPU machine

2019-10-31 Thread Durity, Sean R
There is definitely a resource risk to having thousands of open connections to each node. Some of the drivers have (had?) less than optimal default settings, like acquiring 50 connections per Cassandra node. This is usually overkill. I think 5-10/node is much more reasonable. It depends on your

what happened to a pagination if some data are inserted before it get resumed ?

2019-10-31 Thread jagernicolas
Hi, what would happen If between the moment I save a paging state and the moment I resume it, some data have been added to the database ? for example, let say I do a query which return 100 results paged by 10 rows. I get my first page, i.e, my first 10 elements. Then, let say that before I

Re: Cassandra 4 alpha/alpha2

2019-10-31 Thread Abdul Patel
Centos 7.6 On Thursday, October 31, 2019, Jon Haddad wrote: > What artifact did you use and what OS are you on? > > On Thu, Oct 31, 2019 at 12:40 PM Abdul Patel wrote: > >> Hey Everyone >> >> Did anyone was successfull to install either alpha or alpha2 version for >> cassandra 4.0? >> Found 2

Re: Cassandra 4 alpha/alpha2

2019-10-31 Thread Sergio
OOO but still relevant: Would not it be possible to create an Amazon AMI that has all the OS and JVM settings in the right place and from there each developer can tweak the things that need to be adjusted? Best, Sergio Il giorno gio 31 ott 2019 alle ore 12:56 Abdul Patel ha scritto: > Looks

Re: Cassandra 4 alpha/alpha2

2019-10-31 Thread Abdul Patel
Looks like i am messing up or missing something ..will revisit again On Thursday, October 31, 2019, Stefan Miklosovic < stefan.mikloso...@instaclustr.com> wrote: > Hi, > > I have tested both alpha and alpha2 and 3.11.5 on Centos 7.7.1908 and > all went fine (I have some custom images for my own

Re: Cassandra 4 alpha/alpha2

2019-10-31 Thread Stefan Miklosovic
Hi, I have tested both alpha and alpha2 and 3.11.5 on Centos 7.7.1908 and all went fine (I have some custom images for my own purposes). Update between alpha and alpha2 was just about mere version bump. Cheers On Thu, 31 Oct 2019 at 20:40, Abdul Patel wrote: > > Hey Everyone > > Did anyone

oversized partition detection ? monitoring the partitions growth ?

2019-10-31 Thread jagernicolas
Hi, how can I detect a partition that reaches the 100MB ? is it possible to log the size of every partition one time per day ? regards, Nicolas Jäger

Re: oversized partition detection ? monitoring the partitions growth ?

2019-10-31 Thread Eric LELEU
Hi, I'm not sure that your are able to log which partition has reached 100MB but you may monitor the "EstimatedPartitionSizeHistogram"and take the max value (or 99ct, 95ct) to trigger an alert using your monitoring system.