ODSEE - Very Slow Performance While Deleting Entries From Directory Server Due to Referential Integrity Plugin Operations
(Doc ID 1326726.1)
Last updated on JANUARY 30, 2022
Applies to:
Oracle Directory Server Enterprise Edition - Version 5.2 SP4 and laterInformation in this document applies to any platform.
Symptoms
While deleting entries, at some point, the Directory Server became unresponsive.
For example -
Thirty entries were deleted with no performance problems. Then the next 30 entries also were deleted as expected. But then while deleting the next 30 entries, the Directory Server became unresponsive.
A review of the pstacks show several threads running referential integrity operations.
----------------- lwp# 28 / thread# 28 --------------------
ffffffff7c117dac lwp_park (0, 0, 0)
ffffffff7c11390c mutex_lock_queue (ffffffff7c21baf8, 0, 1002457a0, 0, 0, 0) + 104
ffffffff7c114348 slow_lock (1002457a0, ffffffff40302800, 0, 0, 0, 0) + 58
ffffffff7d12e0cc PR_Lock (1002457a0, 4000, 0, 10, 0, 12) + 4
ffffffff75f0345c ???????? (100355570, 11b825ef0, 0, 0, 1002c3f68, 1001c5181)
ffffffff75f02148 referint_postop_del (0, ffffffff75f01f50, 118539408, 11d495c10, 0, 0) + 1f8
ffffffff7ec84ab0 ???????? (1c00, 1ea8, 118539408, 5400, 5638, 1)
ffffffff7ec83524 plugin_call_plugins (118539408, 1fc, ffffffff3f91f5f4, 1006c9910, 0, 11a6d3df0) + 2d4
ffffffff7ecb4b5c ???????? (118539408, 65, 0, 9f, 1f, 3c00)
ffffffff7ecb4578 delete_core_pb (118539408, 24e, 135904, 0, ffffffff, 0) + 178
ffffffff7ea3a738 dispatch_operation_core_pb (118539408, 118539408, ffffffff7ea27984, 2000, ffffffff7ee1b1d8, ffffffff7ee1d1d8) +
ffffffff7ea26420 ???????? (ffffffff4080cac8, 124baafa0, 94, 4a, 2, 200000)
ffffffff7ea2672c ldap_frontend_main_using_core_api (ffffffff4080cac8, 124baafa0, 2, 10034a1f8, 12c049710, 0) + fc
ffffffff7ea27764 ???????? (220, 100261150, 11169c, 800, 958, ffffffff4080cac8)
ffffffff7d136a7c _pt_root (100261150, 0, 0, 0, 20000, ffffffff3f91ff48) + d4
ffffffff7c117c9c _lwp_start (0, 0, 0, 0, 0, 0)
ffffffff7c117dac lwp_park (0, 0, 0)
ffffffff7c11390c mutex_lock_queue (ffffffff7c21baf8, 0, 1002457a0, 0, 0, 0) + 104
ffffffff7c114348 slow_lock (1002457a0, ffffffff40302800, 0, 0, 0, 0) + 58
ffffffff7d12e0cc PR_Lock (1002457a0, 4000, 0, 10, 0, 12) + 4
ffffffff75f0345c ???????? (100355570, 11b825ef0, 0, 0, 1002c3f68, 1001c5181)
ffffffff75f02148 referint_postop_del (0, ffffffff75f01f50, 118539408, 11d495c10, 0, 0) + 1f8
ffffffff7ec84ab0 ???????? (1c00, 1ea8, 118539408, 5400, 5638, 1)
ffffffff7ec83524 plugin_call_plugins (118539408, 1fc, ffffffff3f91f5f4, 1006c9910, 0, 11a6d3df0) + 2d4
ffffffff7ecb4b5c ???????? (118539408, 65, 0, 9f, 1f, 3c00)
ffffffff7ecb4578 delete_core_pb (118539408, 24e, 135904, 0, ffffffff, 0) + 178
ffffffff7ea3a738 dispatch_operation_core_pb (118539408, 118539408, ffffffff7ea27984, 2000, ffffffff7ee1b1d8, ffffffff7ee1d1d8) +
ffffffff7ea26420 ???????? (ffffffff4080cac8, 124baafa0, 94, 4a, 2, 200000)
ffffffff7ea2672c ldap_frontend_main_using_core_api (ffffffff4080cac8, 124baafa0, 2, 10034a1f8, 12c049710, 0) + fc
ffffffff7ea27764 ???????? (220, 100261150, 11169c, 800, 958, ffffffff4080cac8)
ffffffff7d136a7c _pt_root (100261150, 0, 0, 0, 20000, ffffffff3f91ff48) + d4
ffffffff7c117c9c _lwp_start (0, 0, 0, 0, 0, 0)
Error logs show numerous unindexed searches:
[29/May/2011:05:16:02 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:16:40 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:17:18 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:17:55 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:18:33 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:19:11 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:16:40 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:17:18 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:17:55 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:18:33 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
[29/May/2011:05:19:11 -0400] - WARNING<20805> - Backend Database - conn=-1 op=0 msgId=-1 - search is not indexed
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| Procedure for Capturing pstacks |