My Wiki 1

Click on this link to be redirected to my TiddlyWiki (Personal Wiki – best viewed in Firefox)



One comment

  1. Hi Karl,

    Maybe you don’t remember me. Im currently diagnosing a ASH report from a Oracle 11g RAC. I encountered a blocking sessions, with the wait event enq: WF – contention. Unfortunately the User name is not found. What can caused an “enq: WF – contention”? I only notice this because a used DBA_HIST_ACTIVE_SESS_HISTORY base on SID and INST_ID to generate a snap id. This might help my investigation.


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s