HDDS-15954. Document ozone daemonlog command - #10882
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July 28, 2026 01:50
sreejasahithi
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Thanks @F64116045 for updating the doc.
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| The `<host:port>` value is the daemon HTTP address. For example, the default HTTP ports are `9874` for Ozone Manager, `9876` for Storage Container Manager, `9882` for Datanode, `9878` for S3 Gateway, and `9888` for Recon. | ||
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Here it states 9878 for S3 Gateway, but daemonlog talks to the /logLevel servlet. On S3G, that servlet is on the web admin server, not the S3 API port.
The log-level endpoint is on the web admin port 19878 (S3GatewayWebAdminServer), config key ozone.s3g.webadmin.http-address.
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Thanks for catching this. I updated the S3 Gateway entry to use the web admin HTTP address (ozone.s3g.webadmin.http-address, default 19878) instead of the S3 API port (9878).
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What changes were proposed in this pull request?
This pull request documents the existing
ozone daemonlogcommand in the Ozone logging tools documentation. It explains how to get and set runtime log levels for Ozone daemon loggers through their HTTP endpoints, and adds examples for checking, increasing, and resetting a logger level.It also adds
daemonlogto the tools overview page so users can discover the command from the CLI tools list.What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-15954
How was this patch tested?