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Posted to issues@ozone.apache.org by "adoroszlai (via GitHub)" <gi...@apache.org> on 2023/06/01 07:22:22 UTC
[GitHub] [ozone] adoroszlai opened a new pull request, #4814: HDDS-8731. Standardize JVM pause monitor
adoroszlai opened a new pull request, #4814:
URL: https://github.com/apache/ozone/pull/4814
## What changes were proposed in this pull request?
* Replace Hadoop's `JvmPauseMonitor` with the one from Ratis in OM and SCM for non-HA. (With HA, Ratis automatically starts `JvmPauseMonitor`.)
* Remove Hadoop's `JvmPauseMonitor` from datanode (which also has the one from Ratis).
* Add `JvmPauseMonitor` in Recon and S3 Gateway.
* HttpFS is unchanged, as it uses `JvmPauseMonitor` with the Hadoop metrics.
https://issues.apache.org/jira/browse/HDDS-8731
## How was this patch tested?
Temporarily changed config in `ozone` compose environment to disable Ratis in OM and SCM:
```
OZONE-SITE.XML_ozone.scm.ratis.enable=false
OZONE-SITE.XML_ozone.om.ratis.enable=false
```
Checked logs for `JvmPauseMonitor` output:
```
scm_1 | 2023-06-01 07:08:27,260 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-53e975e9-f056-4c13-9ed0-1fd833e12de6: Started
om_1 | 2023-06-01 07:08:30,457 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-c730746b-bff5-4eea-957d-89884f969a83: Started
```
Also checked CI logs:
```
datanode1_1 | 2023-05-31 22:22:14,358 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-dc62510b-f2bc-4027-bd54-e7557a46c04a: Started
datanode2_1 | 2023-05-31 22:22:14,304 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-5cb115c7-a534-4766-9c3c-8510d546970e: Started
datanode3_1 | 2023-05-31 22:22:15,788 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-176213ad-6890-4137-9d56-17155c09848f: Started
om1_1 | 2023-05-31 22:22:46,857 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-om1: Started
om2_1 | 2023-05-31 22:22:50,709 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-om2: Started
om3_1 | 2023-05-31 22:22:48,214 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-om3: Started
recon_1 | 2023-05-31 22:24:14,844 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-Recon: Started
s3g_1 | 2023-05-31 22:19:53,994 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-S3G: Started
scm1.org_1 | 2023-05-31 22:20:17,957 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-a7441ac5-6d0b-4791-9e02-202ed584e3d8: Started
scm2.org_1 | 2023-05-31 22:20:43,301 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-cb18fbfd-00b6-40c5-968d-4c8c6c3a5f5d: Started
scm3.org_1 | 2023-05-31 22:21:04,495 [JvmPauseMonitor0] INFO util.JvmPauseMonitor: JvmPauseMonitor-ba411f21-f2be-4770-b0a7-a86d665290e3: Started
```
And logs of an HA integration test:
```
[JvmPauseMonitor0] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-2cfafcb0-6fb7-4429-af27-d12c9cdc3486: Started
[JvmPauseMonitor0] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-2cfafcb0-6fb7-4429-af27-d12c9cdc3486: Stopped
[JvmPauseMonitor1] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-2cfafcb0-6fb7-4429-af27-d12c9cdc3486: Started
[JvmPauseMonitor2] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-b8291a7d-1d53-46e7-80d1-9121a46e1600: Started
[JvmPauseMonitor3] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-80f6a8ef-98cf-4f0b-b878-538ca6967471: Started
[JvmPauseMonitor4] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-omNode-1: Started
[JvmPauseMonitor5] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-omNode-2: Started
[JvmPauseMonitor6] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-omNode-3: Started
[JvmPauseMonitor7] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-2ecd1af4-338e-44cb-927e-9eb5b664ac82: Started
[JvmPauseMonitor8] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-075e4d60-eed2-4150-bea0-bb71654ce811: Started
[JvmPauseMonitor9] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(103)) - JvmPauseMonitor-d2a35d79-ca96-4007-8985-041b914415db: Started
[JvmPauseMonitor6] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-omNode-3: Stopped
[JvmPauseMonitor4] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-omNode-1: Stopped
[JvmPauseMonitor5] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-omNode-2: Stopped
[JvmPauseMonitor2] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-b8291a7d-1d53-46e7-80d1-9121a46e1600: Stopped
[JvmPauseMonitor3] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-80f6a8ef-98cf-4f0b-b878-538ca6967471: Stopped
[JvmPauseMonitor1] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-2cfafcb0-6fb7-4429-af27-d12c9cdc3486: Stopped
[JvmPauseMonitor9] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-d2a35d79-ca96-4007-8985-041b914415db: Stopped
[JvmPauseMonitor7] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-2ecd1af4-338e-44cb-927e-9eb5b664ac82: Stopped
[JvmPauseMonitor8] INFO util.JvmPauseMonitor (JvmPauseMonitor.java:run(109)) - JvmPauseMonitor-075e4d60-eed2-4150-bea0-bb71654ce811: Stopped
```
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[GitHub] [ozone] adoroszlai merged pull request #4814: HDDS-8731. Standardize JVM pause monitor
Posted by "adoroszlai (via GitHub)" <gi...@apache.org>.
adoroszlai merged PR #4814:
URL: https://github.com/apache/ozone/pull/4814
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