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218 Commits

Author SHA1 Message Date
Josh McKenzie 940739a488 Add JDK21 support 
Patch by Josh McKenzie; reviewed by Mick Semb Wever and Ekaterina Dimitrova for CASSANDRA-18831

Co-authored-by: Aleksey Yeschenko
Co-authored-by: Achilles Benetopoulos
Co-authored-by: Mick Semb Wever
 2026-02-02 12:39:05 -05:00
Stefan Miklosovic 1e5c07af32
Merge branch 'cassandra-5.0' into trunk 2025-07-31 09:22:44 +02:00
Igor Kamyshnikov 7bf6eef9d4
Limit the number of held heap dumps to not consume disk space excessively 
patch by Igor Kamyshnikov; reviewed by Dmitry Konstantinov, Stefan Miklosovic for CASSANDRA-20457
 2025-06-30 11:34:23 +02:00
Stefan Miklosovic 2e356413ee
Merge branch 'cassandra-5.0' into trunk 2025-03-31 14:35:00 +02:00
Stefan Miklosovic d954c19b21
CASSANDRA-20296 follow-up: by default, explicitly set -XX:MaxDirectMemorySize to half of -Xmx 
patch by Stefan Miklosovic; reviewed by Michael Semb Wever for CASSANDRA-20296
 2025-03-31 12:55:32 +02:00
mck 346e096529
Merge branch 'cassandra-5.0' into trunk 
* cassandra-5.0:
  Heap and GC jvm flags improvements
 2025-02-22 11:06:00 +01:00
mck 0034a133fa
Heap and GC jvm flags improvements 
G1 can rely on `-XX:G1NewSizePercent=50` to always floor the young generation's size to 50% of the heap. (In production this can be raised to 66% for optimal performance.)

Fixing the young generation size with `-Xmn` is only applicable to CMS, so move it to the appropriate section.

When using G1, we can automatically set `-XX:ParallelGCThreads` and `-XX:ConcGCThreads` to the number of system cpu cores.

The auto-generated heap size is now half the server's physical RAM, capped at 16G for CMS and 31G for G1.

Increase MaxTenuringThreshold from 1 to 2, as evidence has shown it has no cost (over values of zero or one), but can have significant benefits in keeping objects in the young generation. While, values above 2 don't have any noticeable benefit.

Always set CASSANDRA_HEAPDUMP_DIR, default it to $CASSANDRA_LOG_DIR, to avoid hprof filling up unexpected disk volumes. Assumption here is that the logs directory is large enough to handle these dumps, and/or operators are monitoring these directories more than other randon/unknown directories.

 patch by Mick Semb Wever; reviewed by Jon Haddad for CASSANDRA-20296
 2025-02-22 10:59:42 +01:00
Zhongxiang Zheng 2ff41551a6
Enable JMX server configuration to be in cassandra.yaml 
patch by Zhongxiang Zheng; reviewed by Stefan Miklosovic, Maulin Vasavada, Cheng Wang, Jordan West for CASSANDRA-11695

Co-authored-by: Stefan Miklosovic <smiklosovic@apache.org>
Co-authored-by: Sam Tunnicliffe <samt@apache.org>
 2024-12-16 11:01:29 +01:00
Maulin Vasavada 9131be9fa5
Make JMX SSL configurable in cassandra.yaml 
patch by Maulin Vasavada; reviewed by Stefan Miklosovic, Doug Rohrer for CASSANDRA-18508
 2024-11-23 10:40:13 +01:00
Stefan Miklosovic 9cc688e978
Merge branch 'cassandra-5.0' into trunk 2024-02-21 09:16:02 +01:00
Stefan Miklosovic 5ae1294cb1
Merge branch 'cassandra-4.1' into cassandra-5.0 2024-02-21 09:15:00 +01:00
Stefan Miklosovic 98d0e181d5
Remove bashisms for mx4j tool in cassandra-env.sh 
/bin/sh (our shebang in bin/cassandra) does not recognize the
`if` construct which is available in /bin/bash only hence if
MX4J_ADDRESS or MX4J_PORT was not commented out, the script would
fail to execute it.

patch by Stefan Miklosovic; reviewed by Brandon Williams for CASSANDRA-19416
 2024-02-21 08:37:23 +01:00
Claude Warren 5d46ff2796
Remove dependency on Sigar in favor of OSHI 
patch by Claude Warren; reviewed by Stefan Miklosovic, Jacek Lewandowski, Michael Semb Wever for CASSANDRA-16565

Co-authored-by: Stefan Miklosovic <smiklosovic@apache.org>
 2024-01-23 11:54:20 +01:00
Ekaterina Dimitrova 3755934e52 Drop JDK8 and add JDK17, remove eclipse-warnings in favor of Checker Framework and upgrade checkstyle 
patch by Ekaterina Dimitrova; reviewed by Jeremiah Jordan, Berenguer Blasi, Michael Semb Wever and Jacek Lewandowski for CASSANDRA-18255
 2023-07-24 15:16:53 -04:00
Benjamin Lerer 600f4d9a69 Upgrade Jamm version to 0.4.0 
This upgrade also fixes issues with PhantomReferences and the test problems from CASSANDRA-17884 anad CASSANDRA-16304

patch by Benjamin Lerer; reviewed by Ekaterina Dimitrova for CASSANDRA-18239
 2023-07-22 14:55:49 -04:00
Ekaterina Dimitrova d1e3c781b5 Add JDK17 startup scripts 
patch by Ekaterina Dimitrova; reviewed by Mick Semb Wever for CASSANDRA-18258
 2023-02-27 12:06:44 -05:00
Brandon Williams 96884ee705 Merge branch 'cassandra-3.11' into cassandra-4.0 2021-06-29 15:59:50 -05:00
Brandon Williams c3ae22d654 Merge branch 'cassandra-3.0' into cassandra-3.11 2021-06-29 15:58:38 -05:00
Brandon Williams 2d8b304e75 Ninja fix comments saying mx4j defaults to 0.0.0.0 
CASSANDRA-13574
 2021-06-29 15:57:55 -05:00
Adam Holmberg 023eecb03a
Fix check for -Xlog in cassandra-env.sh 
patch by Yakir Gibraltar; reviewed by Adam Holmberg, Mick Semb Wever for CASSANDRA-16279
 2021-01-08 22:06:23 +01:00
Jeremy Hanna 688bb664c5 USING_G1 is incorrectly set in cassandra-env.sh if G1 is explicitly disabled with -UseG1GC 
Patch by Jeremy Hanna, reviewed by David Capwell and brandonwilliams for
CASSANDRA-15931
 2020-07-08 11:21:56 -05:00
Jeremy Hanna 3cfe3c9f0d
Fail fast when -Xmn is set when the G1 garbage collector is enabled 
patch by Jeremy Hanna; reviewed by Anthony Grasso for CASSANDRA-15839
 2020-06-24 12:53:53 +02:00
Mick Semb Wever 2da9af002a
Merge branch 'cassandra-3.11' into trunk 2020-01-02 11:28:56 +01:00
Mick Semb Wever 1381c875e8
Merge branch 'cassandra-3.0' into cassandra-3.11 2020-01-02 11:27:33 +01:00
Mick Semb Wever 3edbb09e02
Configure the GC logs directory to be the same as other C* log directories, as defined by $CASSANDRA_LOG_DIR 
patch by Angelo Polo; reviewed by Mick Semb Wever for CASSANDRA-14306
 2020-01-02 11:23:09 +01:00
Mick Semb Wever 797ec05a6a
Merge branch 'cassandra-3.11' into trunk 2019-05-27 11:31:50 +10:00
Mick Semb Wever 60bdfb1731
Fix cassandra-env.sh to use $CASSANDRA_CONF to find cassandra-jaas.config 
Patch by Angelo Polo; Reviewed by Mick Semb Wever for CASSANDRA-14305
 2019-05-27 11:24:23 +10:00
Mick Semb Wever 439c8278f0
Merge branch 'cassandra-3.11' into trunk 2019-04-01 20:51:06 +11:00
Mick Semb Wever 8ac2e4244d
Merge branch 'cassandra-3.0' into cassandra-3.11 2019-04-01 20:47:14 +11:00
Mick Semb Wever 47910df834
Merge branch 'cassandra-2.2' into cassandra-3.0 2019-04-01 20:46:17 +11:00
Mick Semb Wever 6fc3df93b8
Update comment link to mx4j in cassandra-env.sh 
patch by Jearvon Dharrie; reviewed by Mick Semb Wever for CASSANDRA-14950
 2019-04-01 20:40:19 +11:00
Robert Stupp 6ba2fb9395 Make C* compile and run on Java 11 and Java 8 
patch by Robert Stupp; reviewed by Jason Brown for CASSANDRA-9608
 2018-07-26 18:20:00 +02:00
Mick Semb Wever 4268761695
Merge branch 'cassandra-3.11' into trunk 2018-05-10 12:47:50 +10:00
Mick Semb Wever df9475086d
Detect OpenJDK jvm type and architecture 
Patch by Stefan Podkowinski; Reviewed by Mick Semb Wever for CASSANDRA-12793
 2018-05-10 12:46:03 +10:00
Benjamin Lerer 17e602b7d2 Merge branch cassandra-3.11 into trunk 2017-12-12 10:52:23 +01:00
Benjamin Lerer a7c45be936 Merge branch cassandra-3.0 into cassandra-3.11 2017-12-12 10:42:50 +01:00
Benjamin Lerer dd187d105b Merge branch cassandra-2.2 into cassandra-3.0 2017-12-12 10:32:36 +01:00
Benjamin Lerer 02aba7343c Rely on the JVM to handle OutOfMemoryErrors 
patch by Benjamin Lerer; reviewed by Joshua McKenzie for CASSANDRA-13006
 2017-12-12 10:21:05 +01:00
Jay Zhuang 41ef972b18 simplify mx4j configuration 
patch by Jay Zhuang; reviewed by jasobrown for CASSANDRA-13578
 2017-08-24 09:13:56 -07:00
Jason Brown 356dc3c253 switch internode messaging to netty 
patch by jasobrown, reviewed by pcmanus for CASSANDRA-8457
 2017-08-22 13:54:44 -07:00
Sam Tunnicliffe 9eae8d340c Use custom RMI registry to avoid issues with JMX and SSL 
Patch by Sam Tunnicliffe; reviewed by Jake Luciani for CASSANDRA-12109
 2016-07-20 13:06:02 +01:00
Stefania Alborghetti 78f077de07 Revert "Update to Netty 4.0.37" 
This reverts commit e8d7fe8a28.
 2016-07-06 12:58:06 +08:00
Josh McKenzie c86b3e1830 Merge branch 'cassandra-3.0' into cassandra-3.9 2016-06-30 16:33:53 -04:00
Josh McKenzie 6b241097b4 revert CASSANDRA-11949 3.0+ 2016-06-30 16:33:34 -04:00
Josh McKenzie 82cdc8617a Revert "Fix GC logging on first start" 
This reverts commit 3a61c10659.
 2016-06-30 16:31:43 -04:00
Josh McKenzie 0294fd8911 Merge branch 'cassandra-3.0' into cassandra-3.9 2016-06-28 13:47:49 -04:00
Josh McKenzie 2395f9e467 Merge branch 'cassandra-2.2' into cassandra-3.0 2016-06-28 13:47:24 -04:00
Mahdi Mohammadi 3a61c10659 Fix GC logging on first start 
Patch by mmohammadi; reviewed by jmckenzie for CASSANDRA-11949
 2016-06-28 13:46:38 -04:00
Robert Stupp e8d7fe8a28 Update to Netty 4.0.37 
patch by Robert Stupp; reviewed by T Jake Luciani for CASSANDRA-12032
 2016-06-21 16:47:37 +02:00
Josh McKenzie 54d7fc4b02 Merge branch 'cassandra-3.0' into cassandra-3.7 2016-05-03 14:06:57 -04:00