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Scratch an itch - Cassandra - [mail # dev]
...On 07/12/2018 07:38 PM, Stefan Podkowinski wrote:> this point? Also, if we tell someone that their contribution will be> reviewed and committed later after 4.0-beta, how is that actual...
   Author: Michael Burman , 2018-07-12, 17:54
[CASSANDRA-14356] LWTs keep failing in trunk after immutable refactor - Cassandra - [issue]
...In the PaxosState, the original assert check is in the form of:assert promised.update.metadata() == accepted.update.metadata() && accepted.update.metadata() == mostRecentCommit.updat...
http://issues.apache.org/jira/browse/CASSANDRA-14356    Author: Michael Burman , 2018-06-18, 10:05
[expand - 1 more] - Planning to port cqlsh to Python 3 (CASSANDRA-10190) - Cassandra - [mail # dev]
...Hi,Deprecating in this context does not mean removing it or it being replaced by 3 (RHEL 7.x will remain with Python 2.x as default). It refers to future versions (>7), but there are none...
   Author: Michael Burman , 2018-06-01, 09:34
[CASSANDRA-14281] Improve LatencyMetrics performance by reducing write path processing - Cassandra - [issue]
...Currently for each write/read/rangequery/CAS touching the CFS we write a latency metric which takes a lot of processing time (up to 66% of the total processing time if the update was empty)....
http://issues.apache.org/jira/browse/CASSANDRA-14281    Author: Michael Burman , 2018-05-11, 14:30
[DISCUSS] java 9 and the future of cassandra on the jdk - Cassandra - [mail # dev]
...On 03/21/2018 04:52 PM, Josh McKenzie wrote:> This would certainly mitigate a lot of the core problems with the new> release model. Has there been any public statements of plans/intent...
   Author: Michael Burman , 2018-03-21, 16:26
yet another benchmark bottleneck - Cassandra - [mail # user]
...Although low amount of updates, it's possible that you hit a contention bug. A simple test would be to add multiple Cassandra nodes on the same physical node (like split your 20 cores to 5 i...
   Author: Michael Burman , 2018-03-12, 14:43
[CASSANDRA-14287] Add test.conf directory in build-jmh - Cassandra - [issue]
...Currently the build.xml does not include test.conf directory in the build-jmh phase, thus the built benchmark.jar is not complete and can't be used to run all the tests directly. This is use...
http://issues.apache.org/jira/browse/CASSANDRA-14287    Author: Michael Burman , 2018-03-05, 01:49
[expand - 3 more] - Expensive metrics? - Cassandra - [mail # dev]
...Hi,I wrote CASSANDRA-14281 for the initial idea and where I ended up with my current prototype. This maintains the current layout of the JMX metrics so it shouldn't be visible to users. Shou...
   Author: Michael Burman , 2018-02-28, 13:47
Pluggable storage engine discussion - Cassandra - [mail # dev]
...Hi,There's a ticket also for columnar storage option, which I guess is something that many might want. Not least because in many cases it could reduce the storage footprint by a large margin...
   Author: Michael Burman , 2017-11-06, 07:35
configure pooling options to avoid BusyPoolException - Cassandra - [mail # user]
...Hi,You could try something like (I tried to cleanup the code from other stuff in the gist-editor, so it might not compile directly) the following for your scheduling:https://gist.github.com/...
   Author: Michael Burman , 2017-08-24, 15:23