September 2011
Intermediate to advanced
528 pages
19h 57m
English
Content preview from Oracle WebLogic Server 11g Administration Handbook Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Transaction Logs and Transaction Recovery
WebLogic Server maintains transaction logs (referred to as tlog files), but these are quite different from normal server logs. The server uses the transaction logs to track all current transactions. WebLogic Server only records information about uncommitted transactions in the transaction log. When a server restarts after a failure, it uses the information in the transaction log to recover transactions. When you restart an instance, the server uses the transaction log files to perform the second phase of a two-phase commit transaction that was interrupted by the server failure. Using the transaction information from the transaction logs, the server makes an attempt to complete all in-flight, uncommitted ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.