pageiolatch SH high on sap env

• Hadrian

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  August 9, 2012 at 3:05 am

  #259817

  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_SwAAvgSig_S

  PAGEIOLATCH_SH 434855.86 434629.66 226.20 55031445 48.05 0.00790.0079 0.0000

  ASYNC_NETWORK_IO 170614.17 169940.69 673.48 49831877 18.85 0.00340.0034 0.0000

  ASYNC_IO_COMPLETION 86361.1186361.06 0.05 72 9.54 1199.4598 1199.4592 0.0006

  BACKUPBUFFER85818.53 85784.05 34.48 2940403 9.48 0.02920.0292 0.0000

  BACKUPIO36485.20 36480.14 5.06 966040 4.03 0.03780.0378 0.0000

  WRITELOG23904.56 23850.88 53.69 3801876 2.64 0.00630.0063 0.0000

  OLEDB 19365.61 19365.610.00321505291 2.14 0.00010.0001 0.0000

  PAGEIOLATCH_EX18103.08 18097.585.501224365 2.00 0.01480.0148 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.

• Hadrian

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  August 9, 2012 at 3:19 am

  #1523631

  64B system Windows 2003 R2 Sp2

• Hadrian

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  August 9, 2012 at 6:06 am

  #1523702

  the topic was moved in General sections