adoroszlai opened a new pull request, #4444: URL: https://github.com/apache/ozone/pull/4444
## What changes were proposed in this pull request? In `ozonesecure-ha` environment SCM containers have hostnames like `scm1.org`, but all Kerberos principals for SCM nodes are in the form `testuser/[email protected]`. Since no host named `scm` exists, lookup takes quite some time: ``` $ OZONE_LOGLEVEL=TRACE ozone sh volume create /vol1 |& grep 'lookup' [main] TRACE security.SecurityUtil: Name lookup for om2 took 1 ms. [main] TRACE security.SecurityUtil: Name lookup for om3 took 0 ms. [main] TRACE security.SecurityUtil: Name lookup for om1 took 0 ms. [main] TRACE security.SecurityUtil: Name lookup for scm took 497 ms. ``` We can improve this simply by executing the same commands from another container, e.g. `s3g`: ``` $ OZONE_LOGLEVEL=TRACE ozone sh volume create /vol2 |& grep 'lookup' [main] TRACE security.SecurityUtil: Name lookup for om2 took 1 ms. [main] TRACE security.SecurityUtil: Name lookup for om3 took 0 ms. [main] TRACE security.SecurityUtil: Name lookup for om1 took 0 ms. [main] TRACE security.SecurityUtil: Name lookup for s3g took 0 ms. ``` Tests for bucket links need a minor change to remove hard-coded `scm` from permissions in test setup. Opening as draft, since this is based on HDDS-7975 (#4437). https://issues.apache.org/jira/browse/HDDS-8219 ## How was this patch tested? Regular CI: https://github.com/adoroszlai/hadoop-ozone/actions/runs/4482200047/jobs/7879923515 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
