Db File Sequential Read. This event is also used for rebuilding the control file, dumping datafile. If the table has small.
Db file sequential read oracle documentation
This event is also used for rebuilding the control file, dumping datafile. Rarely, full table scan calls could get truncated to a single block. Web db file sequential read. Use tablespace with bigger block size 4. While we are working a issue, we apparently found an issue that a full. The user process is reading buffers into the sga buffer cache & is waiting for a physical i/o call to return. Nam='db file sequential read' ela= 150 file#=1070 block#=2603596 blocks=1 obj#=151287 tim=320107026968 obj#151287 is. Web the db file sequential read event signifies that the user process is reading data into the sga buffer cache and is waiting for a physical i/o call to return. Web db file sequential read: Web the db file sequential read is thus named because it reads blocks into contiguous memory, and the db file scattered read gets its name because it reads.
Use tablespace with bigger block size 4. Move the table to reset table high water mark 2. Use tablespace with bigger block size 4. Rarely, full table scan calls could get truncated to a single block. This event is also used for rebuilding the control file, dumping datafile. Both of them signify i/o bottlenecks: The i/o is generally issued as a. Web the naming of these two wait events is rather confusing. Web what is sequential read? Web the db file sequential read event signifies that the user process is reading data into the sga buffer cache and is waiting for a physical i/o call to return. Web db file sequential read: