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pageiolatch SH high on sap env Expand / Collapse
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Posted Thursday, August 9, 2012 3:05 AM
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Hello guys,

I need you help with some advises about a high pageiolatch SH value.

So after I run Paul Randal wait script the report looks :
WaitType Wait_S Resource_S Signal_S WaitCount Percentage AvgWait_S AvgRes_SwA AvgSig_S
PAGEIOLATCH_SH 434855.86 434629.66 226.20 55031445 48.05 0.0079 0.0079 0.0000
ASYNC_NETWORK_IO 170614.17 169940.69 673.48 49831877 18.85 0.0034 0.0034 0.0000
ASYNC_IO_COMPLETION 86361.11 86361.06 0.05 72 9.54 1199.4598 1199.4592 0.0006
BACKUPBUFFER 85818.53 85784.05 34.48 2940403 9.48 0.0292 0.0292 0.0000
BACKUPIO 36485.20 36480.14 5.06 966040 4.03 0.0378 0.0378 0.0000
WRITELOG 23904.56 23850.88 53.69 3801876 2.64 0.0063 0.0063 0.0000
OLEDB 19365.61 19365.61 0.00 321505291 2.14 0.0001 0.0001 0.0000
PAGEIOLATCH_EX 18103.08 18097.58 5.50 1224365 2.00 0.0148 0.0148 0.0000


Env MSSQL 2005Sp4 32GB RAM total, 8GB dedicated to MSSQL,o n the same machine is SAP Netweaver installed.

Hardware SAN EMC RAID5 for Data ,RAID1 for Log file ,tempdb on the same drive like data ,backup occured on network share .

I have checked the HBA queue and looks OK.






Post #1342465
Posted Thursday, August 9, 2012 3:19 AM
Ten Centuries

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64B system Windows 2003 R2 Sp2


Post #1342469
Posted Thursday, August 9, 2012 6:06 AM
Ten Centuries

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Group: General Forum Members
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the topic was moved in General sections


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