Oracle High log file sync event

Solution Verified - Updated -

Issue

  • Spikes of up to few minutes of Oracle wait event 'Log File Sync'
  • Log File Sync is by far the top AWR wait event

Environment

  • Redhat Enterprise Linux 5
  • Redhat Enterprise Linux 6
  • Oracle 11.2.0.3 and above
  • High write Oracle activity
  • Servers with high CPU count of 32 and above

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