MX4J with Cassandra 3.5 always empty response

I just added the mx4j-tools jar (version 3.0.2) in my lib folder and also enabled remote jmx access without authentication (using firewall to protect access). During startup I can see the two following log statements: HttpAdaptor version 3.0.2 started on port 8081 mx4j successfuly loaded So, it

Re: StatusLogger is logging too many information

Hi, You can set the property gc_warn_threshold_in_ms in yaml.For example, if your application is ok with a 2000ms pause, you can set the value to 2000 such that only gc pauses greater than 2000ms will lead to gc and status log. Please refer

Re: Unable to reliably count keys on a thrift CF

Hi Carlos, Please check if the JIRA :  https://issues.apache.org/jira/browse/CASSANDRA-11467 fixes your problem. We had been facing row count issue with thrift cf / compact storage and this fixed it. Above is fixed in latest 2.1.14. Its a two line fix. So, you can also prepare a custom jar and

Data repairing on one node questionably affects data on others

Hi All, I have cluster of 7 nodes completely balanced (each node owns ~500GB of data). And I have one keyspace and one table and three replicas. Than, I just failed one node's disk, replace it with a new one and started repairing. During that process I noticed that additional two nodes have

Re: Basic query in setting up secure inter-dc cluster

Hi Everyone. Kindly reply in "yes" or "no", as to whether it is possible to setup encryption only between particular pair of nodes? Or is it an "all" or "none" feature, where encryption is present between EVERY PAIR of nodes, or in NO PAIR of nodes. Thanks and Regards, Ajay On Mon, Apr 18,

Re: Changing snitch from PropertyFile to Gossip

Hi Carlos, Why running a repair there if the topology did not change? Is it as a best practice, just in case, or is there a specific reason? C*heers, --- Alain Rodriguez - al...@thelastpickle.com France The Last Pickle - Apache Cassandra Consulting

Re: Upgrading to SSD

Hi Anuj, > You could do the following instead to minimize server downtime: > > 1. rsync while the server is running > 2. rsync again to get any new files > 3. shut server down > 4. rsync for the 3rd time > 5. change directory in yaml and start back up > +1 Here are some more details about that

StatusLogger is logging too many information

Hi, Currently StatusLogger will log info when there are dropped messages or GC more than 200 ms. In my use case, there are about 1000 tables. The status-logger is logging too many information for each tables. I wonder is there a way to reduce this log? for example, only print the thread pool

Re: Debugging out of memory

Hi, This one is old, do you still need help there? Sorry we missed it. 1. What Cassandra version do you use? 2. What does "nodetool tpstats" show you. Any dropped or pending message? 3. Is your error a full heap memory issue or native one? 4. What configurations did you change from

Re: Changing snitch from PropertyFile to Gossip

I just run it to be sure. Sometimes mistakes happen and it's a way to be sure. Em 25/04/2016 10:19, "Alain RODRIGUEZ" escreveu: > Hi Carlos, > > Why running a repair there if the topology did not change? Is it as a best > practice, just in case, or is there a specific reason?

Inconsistent Reads after Restoring Snapshot

Hi, We have 2.0.14. We use RF=3 and read/write at Quorum. Moreover, we dont use incremental backups. As per the documentation at  https://docs.datastax.com/en/cassandra/2.0/cassandra/operations/ops_backup_snapshot_restore_t.html  , if i need to restore a Snapshot on SINGLE node in a cluster, I