Another possibility could be that the disk is in sleep mode and it needs to wake up (A feature enabled on most green drives)
On Tue, Mar 19, 2019 at 5:03 PM Valdis Klētnieks <[email protected]> wrote: > On Tue, 19 Mar 2019 07:40:29 +0530, Jeno P said: > > > One of my module *(C/C++)* is writing to log files and periodically > flushes > > it using *fsync()*. Even for small amount of data, *fsync* is taking more > > time *(>15 seconds)* than expected. > > Is it possible that some other process is applying a file lock to the log > file? > Any signs of I/O errors? 15 seconds is the sort of delay you might see on a > RAID controller with one dead or partially dead disk throwing timeouts... > > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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