Hi Bob,
Looks like : 6415647 Sequential writing is jumping
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6415647
-r
Roch BourbonnaisSun Microsystems, Icnc-Grenoble
Senior
Yes James is right this is normal behaviour. Unless the writes are
synchronous (O_DSYNC) or explicitely flushed (fsync()) then they
are batched up, written out and committed as a transaction
every txg_time (5 seconds).
Neil.
James C. McPherson wrote:
Bob Evans wrote:
Just getting my feet wet
Neil Perrin writes:
Yes James is right this is normal behaviour. Unless the writes are
synchronous (O_DSYNC) or explicitely flushed (fsync()) then they
are batched up, written out and committed as a transaction
every txg_time (5 seconds).
Neil.
James C. McPherson wrote:
Bob
Hey, Bob -
It might be worth exploring where your data stream for the writes was
coming from. Moreover, it might be worth exploring how fast it was
filling up caches for writing.
Were you delivering enough data to keep the disks busy 100% of the time?
I have been tricked by this before... :)
