????????????????????????????
???????????? ???????[ 2013/6/28 14:06:23 ] ????????
?????????????????
1 ?????????????
???????????????????????????繃??????????????????????????????????????????
*??????????У????????????? 3 ????????????????????????????? shutdown ?????????????????????£?????????????????????????????????????????????????г??????????????????????
*?????????????????????????????????????????????????????????????????????????? OK ????????????????????????????????????????????????????????
2 ??????????????
*?????????????????????????????????????????????????????“??????????”????????????????????????????????????
*???????????????????????????????????????????????????Щ????????????????????????????????й??
*?????????????????????????????????????????????????????????????????????????????????????????????????“?????????”?????????????????????????
3 ?????????????????
??棺
1 UNIX ???????????????????????? Paging rate ??????????????????????????????????檔???????????????????????????????????????????????
2 Windows ???????У???? ProcessPrivate Bytes ???????? ProcessWorking Set ??????????????????????????? MemoryAvailable bytes ??????????????????????????????й???
????????????????????????? :
*???????? (high pageout rate);
*??????????? ;
*?????????д???????????? ;
*????????? CPU ?????? ;
*??治?????? (out of memory errors)
????????
1 UNIX ??????? Windows ??????????????? CPU ?????? CPU utilization ?????????????????? 95% ??????????? CPU ????????????????????????????????????????????????????? SQL Server?? ????????????? 80-85%
?????????Χ?? 60% ?? 70% ??
2 Windows ???????У???? SystemProcessor Queue Length ???? 2 ????????????????? Processor Time ??????????????????????????
CPU ?????????????????????? :
*???????????? (slow response time)
*CPU ?????????? (zero percent idle CPU)
*??????????? CPU ??? (high percent user CPU)
*?????????? CPU ??? (high percent system CPU)
*???????к???????н?????? (large run queue size sustained over time)
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
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2021/9/17 15:19:29???·???????·
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2021/5/28 17:25:47??????APP??????????
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