Bug 692690
| Summary: | dirsrv pegs the CPU and stops answering requests when a large group is imported | ||||||
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| Product: | Red Hat Enterprise Linux 6 | Reporter: | Stephen Gallagher <sgallagh> | ||||
| Component: | slapi-nis | Assignee: | Nalin Dahyabhai <nalin> | ||||
| Status: | CLOSED ERRATA | QA Contact: | |||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 6.0 | CC: | dpal, jgalipea, nhosoi, nkinder | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | slapi-nis-0.23-1.el6 | Doc Type: | Bug Fix | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2011-05-19 13:13:03 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Okay, apparently slapi_entry_merge_values_sv() got slower each time we called it to add a single attribute value to the entry being generated... very slow. In 0.23, the compat plugin will call slapi_entry_merge_values_sv() once per attribute per entry rather than once per value per attribute per entry. verified: #time ldapmodify -x -D "cn=Directory Manager" -w Secret123 -h ipaqa64vmb.testrelm < largegroup1.ldif modifying entry "cn=largegroup,cn=groups,cn=accounts,dc=testrelm" real 0m3.318s user 0m0.066s sys 0m0.050s # ipa group-show --all largegroup dn: cn=largegroup,cn=groups,cn=accounts,dc=testrelm Group name: largegroup Description: largegroup GID: 167200006 ipauniqueid: d6226490-6142-11e0-8bb5-021016980183 memberuid: newuser170900000, newuser170900001, newuser170900002, newuser170900003, newuser170900004, newuser170900005, newuser170900006, newuser170900007, newuser170900008, ne wuser170900009, newuser170900010, newuser170900011, newuser170900012, newuser170900013, newuser170900014, newuser170900015, newuser170900016, newuser170900017, newuser170900018, newuser170900019, newuser170900020, newuser170900021, newuser170900022, newuser170900023, newuser170900024, newuser170900025, newuser170900026, newuser170900027, newuser1709000 28, newuser170900029, newuser170900030, newuser170900031, newuser170900032, newuser170900033, newuser170900034, newuser170900035, newuser170900036, newuser170900037, newuser1709 00038, newuser170900039, newuser170900040, newuser170900041, newuser170900042, newuser170900043, newuser170900044, newuser170900045, newuser170900046, newuser170900047, newuser1 70900048, newuser170900049, newuser170900050, newuser170900051, newuser170900052, newuser170900053, newuser170900054, newuser170900055, newuser170900056, newuser170900057, newus er170900058, newuser170900059, newuser170900060, newuser170900061, newuser170900062, newuser170900063, newuser170900064, newuser170900065, etc ................................................................................................................. version verified: slapi-nis-0.23-1.el6.x86_64 ipa-server-2.0.0-20.el6.x86_64 to note: tested with replica and all replicated. *** Bug 692599 has been marked as a duplicate of this bug. *** An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHEA-2011-0575.html |
Created attachment 489221 [details] LDIF to add 75000 memberuid attributes to the largegroup Description of problem: I created a group with ipa group-add and then used ldapmodify to add 75,000 memberuid entries to it. When the compat plugin is enabled, the dirsrv process goes to 100% CPU and stops responding to requests. When the plugin is disabled, the import completes quickly. Version-Release number of selected component (if applicable): slapi-nis-0.22-1.el6.x86_64 ipa-server-2.0.0-18.el6.x86_64 389-ds-base-1.2.8-0.9.rc4.el6.x86_64 How reproducible: Every time Steps to Reproduce: 1. Set up a FreeIPA v2 server 2. Create a group 'largegroup' with the command 'ipa group-add --desc "large group" largeroup 3. Import the attached ldif with ldapmodify -x -D "cn=Directory Manager" -W -H ldap://localhost < largegroup1.ldif Actual results: ldapmodify returns after a few seconds, but the dirsrv process starts using 100% CPU and stops replying to ldapsearch requests. Expected results: The ldif should be imported and further requests should complete as expected. Additional info: