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分类: oracle

2021-11-29 22:58:51

oracle 12.1.0.2 rac 

分析一个集群重启故障时,发现ocssd.trc中的信息突然时间倒退了,而没有任何异常,看日志的时间戳:

  1. 2021-11-24 20:54:40.814556 : cssd:1876809472: clssgmmbrdataupdt: processing member data change type 1, size 4 for group hb asm, memberid 8:2:2
  2. 2021-11-24 20:54:40.814563 : cssd:1876809472: clssgmmbrdataupdt: sending member data change to gmp for group hb asm, memberid 8:2:2
  3. 2021-11-24 20:54:40.814800 : cssd:1879045888: clssgmpcmemberdataupdt: grockname hb asm memberid 8:2:2, datatype 1 datasize 4
  4. 2021-11-24 20:54:40.815186 : cssd:1873655552: clssgmcpdataupdtcmpl: status 0 mbr data updt memberid 8:2:2 from clientid 2:31:4
  5. 2021-11-24 20:54:42.394549 : cssd:1839511296: clssnmsendingthread: sending status msg to all nodes
  6. 2021-11-24 20:54:42.394601 : cssd:1839511296: clssnmsendingthread: sent 5 status msgs to all nodes
  7. 2021-11-24 20:54:42.863374 : cssd:1876809472: clssgmmbrdataupdt: processing member data change type 1, size 4 for group hb asm, memberid 8:2:2
  8. 2021-11-24 20:54:42.863382 : cssd:1876809472: clssgmmbrdataupdt: sending member data change to gmp for group hb asm, memberid 8:2:2
  9. 2021-11-24 20:54:42.863597 : cssd:1879045888: clssgmpcmemberdataupdt: grockname hb asm memberid 8:2:2, datatype 1 datasize 4
  10. 2021-11-24 20:54:42.864076 : cssd:1873655552: clssgmcpdataupdtcmpl: status 0 mbr data updt memberid 8:2:2 from clientid 2:31:4
  11. 2021-11-24 20:54:43.535713 : cssd:1876809472: clssgmmbrdataupdt: processing member data change type 1, size 401 for group gr n_2, memberid 2147483660:2:1
  12. 2021-11-24 20:54:43.535778 : cssd:1876809472: clssgmsendeventstombrs: group gr n_2, member count 2, event master 0, event type 6, event incarn 107328, event member count 1, pids 22961, 30634,
  13. 2021-11-24 20:54:44.949724 : cssd:1876809472: clssgmmbrdataupdt: processing member data change type 1, size 4 for group hb asm, memberid 8:2:2
  14. 2021-11-24 20:54:44.949732 : cssd:1876809472: clssgmmbrdataupdt: sending member data change to gmp for group hb asm, memberid 8:2:2
  15. 2021-11-24 20:04:44.870844 : cssd:1839511296: clssnmsendingthread: sent 5 status msgs to all nodes
  16. 2021-11-24 20:04:45.122266 : cssd:1876809472: clssgmmbrdataupdt: processing member data change type 1, size 4 for group hb asm, memberid 8:2:2
  17. 2021-11-24 20:04:45.122274 : cssd:1876809472: clssgmmbrdataupdt: sending member data change to gmp for group hb asm, memberid 8:2:2
  18. 2021-11-24 20:04:45.122473 : cssd:1879045888: clssgmpcmemberdataupdt: grockname hb asm memberid 8:2:2, datatype 1 datasize 4
  19. 2021-11-24 20:04:45.122859 : cssd:1873655552: clssgmcpdataupdtcmpl: status 0 mbr data updt memberid 8:2:2 from clientid 2:31:4
  20. 2021-11-24 20:04:47.171136 : cssd:1876809472: clssgmmbrdataupdt: processing member data change type 1, size 4 for group hb asm, memberid 8:2:2
  21. 2021-11-24 20:04:47.171144 : cssd:1876809472: clssgmmbrdataupdt: sending member data change to gmp for group hb asm, memberid 8:2:2
  22. 2021-11-24 20:04:47.171368 : cssd:1879045888: clssgmpcmemberdataupdt: grockname hb asm memberid 8:2:2, datatype 1 datasize 4
  23. 2021-11-24 20:04:47.171789 : cssd:1873655552: clssgmcpdataupdtcmpl: status 0 mbr data updt memberid 8:2:2 from clientid 2:31:4
  24. 2021-11-24 20:04:49.221572 : cssd:1876809472: clssgmmbrdataupdt: processing member data change type 1, size 4 for group hb asm, memberid 8:2:2
  25. 2021-11-24 20:04:49.221584 : cssd:1876809472: clssgmmbrdataupdt: sending member data change to gmp for group hb asm, memberid 8:2:2
  26. 2021-11-24 20:04:49.221840 : cssd:1879045888: clssgmpcmemberdataupdt: grockname hb asm memberid 8:2:2, datatype 1 datasize 4
  27. 2021-11-24 20:04:49.222266 : cssd:1873655552: clssgmcpdataupdtcmpl: status 0 mbr data updt memberid 8:2:2 from clientid 2:31:4
  28. 2021-11-24 20:04:49.871622 : cssd:1839511296: clssnmsendingthread: sending status msg to all nodes
  29. 2021-11-24 20:04:49.871676 : cssd:1839511296: clssnmsendingthread: sent 5 status msgs to all nodes
  30. 2021-11-24 20:04:51.273273 : cssd:1876809472: clssgmmbrdataupdt: processing member data change type 1, size 4 for group hb asm, memberid 8:2:2

从20:54一下“回退到 20:04,而且奇怪的是,多个ocssd.trc日期被改写为同一时间点了(就是故障时间)

这个ocssd.trc每当涨到50mb时就被归档到一个文件中,时间顺序应该是递增的,不应该是同一个时间点。
一开始以为时间被调整了。
用notepad 打开后搜索,发现信息重复多次



后来发现
12.1.0.2 clssdadr_bucketthread线程导致ocssd.bin cpu使用率过高的问题 (doc id 2364202.1)


补丁才32.8k

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