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High Db File Sequential Read Wait In Oracle - The best free software for your

12/27/2015

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Why and when should one tune? One of the biggest responsibilities of a DBA is to ensure that the Oracle database is tuned properly. The Oracle RDBMS is highly tunable. 10gR2 introduces a significant change to DB_FILE_MULTIBLOCK_READ_COUNT parameter, separating costing from execution value (_db_file_optimizer_read_cou.

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Oracle provides a special views called v$session_wait and v$system_event that provide detailed information about the wait state for ongoing Oracle transactions.

DB file sequential read (%) Description. This event shows a wait for a foreground process while doing a sequential read from the database. The I/O is generally issued. In a previous post, I have discussed steps and methods to calculate I/O wait from an Oracle AWR report. The key and sometimes challenge task is to identify wait.

For the db file sequential read, see http:// Log file parallel write is writing redo records. Here WAIT_TIME is the elapsed time for control file reads or writes. P1, P2, & P3 is either file#, block#, and blocks for ‘control file sequential read’ and.

High Db File Sequential Read Wait In Oracle 11g

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