Commit Graph

9 Commits

Author SHA1 Message Date
Thomas Schoebel-Theuer 7697826b5d copy: add timestamp of last advance 2014-03-19 17:49:39 +01:00
Thomas Schoebel-Theuer 99644a943a all: make *_switch() code idempotent
New semantics: it must be possible to call the switch functions
even when nothing has changed.
2013-10-17 07:48:32 +02:00
Thomas Schoebel-Theuer 4b59be870e copy: speedup by making overlap the default
Since commit 62e2f5944b, aio prevents races on the length
of a transaction logfile.

Thefore, we can safely enable IO parallelism at writes fired off
by copy.

The old behaviour was a serious IO bottleneck.
2013-08-06 14:30:05 +02:00
Thomas Schoebel-Theuer 3f3a4c365a copy: fix / improve IO debugging 2013-08-06 13:09:55 +02:00
Thomas Schoebel-Theuer c877c43eff copy: limit IO parallelism via /proc 2013-07-22 09:15:53 +02:00
Thomas Schoebel-Theuer 72a2537c6d copy: make io_prio configurable via /proc 2013-07-22 08:44:03 +02:00
Thomas Schoebel-Theuer 61e5d30757 copy: use kb as limiter units 2013-07-15 12:21:16 +02:00
Thomas Schoebel-Theuer be412e736d copy: avoid higher-order pages for state tables 2013-04-15 18:37:12 +02:00
Thomas Schoebel-Theuer c58417d271 all: move kernel source into separate directory 2013-04-08 17:01:37 +02:00