Bug 1843604
| Summary: | reduce the cost of allocation/free when open/close a connection | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 8 | Reporter: | mreynolds |
| Component: | 389-ds-base | Assignee: | thierry bordaz <tbordaz> |
| Status: | CLOSED ERRATA | QA Contact: | RHDS QE <ds-qe-bugs> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 8.1 | CC: | bsmejkal, nsoman, pasik, sgouvern, spichugi, tbordaz, vashirov |
| Target Milestone: | rc | Keywords: | Triaged |
| Target Release: | 8.0 | Flags: | pm-rhel:
mirror+
|
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | sync-to-jira | ||
| Fixed In Version: | 389-ds-1.4-8040020201125182123.866effaa | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-05-18 15:45:16 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
Fixed upstream with a patch provided by William. -> POST Need more time to ensure sanity checking, moving to ITM 4 Being on branch : origin/stream-1.4-rhel-8.4.0 / rhpkg prep / 389-ds-base-1.4.3.16 directory : changes in ldap/servers/slapd/conntable.c are not present, it seems that they have not been backported. marking ASSIGNED and FailedQA On branch : origin/stream-1.4-rhel-8.4.0 / rhpkg prep / 389-ds-base-1.4.3.16 directory, for build 389-ds-base-1.4.3.16-3.module+el8.4.0+8869+55706461.x86_64 Changes are present in ldap/servers/slapd/conntable.c Marking as verified:tested verified:tested (see comment 16) with build 389-ds-1.4-8040020201125182123.866effaa -> marking as VERIFIED Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (389-ds:1.4 bug fix and enhancement update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2021:1835 |
Issue Description Using searchrate/mutrace there is a contention on pthread_mutex_init. fixing this contention give a throughput gain (~15%) Package Version and Platform 1.4.3 Steps to reproduce Import 100K entries + searchrate Actual results /lib64/libmutrace.so(pthread_mutex_init+0xf4) [0x7fef8b5082d4] /sbin/ns-slapd(connection_table_get_connection+0x1b3) [0x41c5c5] /sbin/ns-slapd() [0x421563] /sbin/ns-slapd() [0x41ea0e] /sbin/ns-slapd(slapd_daemon+0x743) [0x41f87e] /sbin/ns-slapd(main+0xead) [0x428786] /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fef8acdf1a3] /sbin/ns-slapd(_start+0x2e) [0x411a4e] Expected results No contention at this point Upstream ticket: https://pagure.io/389-ds-base/issue/51131