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This allows to differentiate between the two database models.
ctdb_db_persistent() - replicated and permanent
ctdb_db_volatile() - distributed and temporary
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
If the database is not frozen and recovery mode is not active, then
vacuuming can continue.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Thousands of these can be generated each second, rendering INFO level
debugging useless.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Nov 6 13:43:45 CET 2015 on sn-devel-104
This groups function prototypes for common client/server functions in
common/common.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Instead of includes.h, include the required header files explicitly.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This groups function prototypes for system specific functions in
common/system.h and removes them from ctdb_private.h.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This avoids vacuuming getting in the way of ctdb daemon to process
record requests.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This avoids vacuuming getting in the way of ctdb daemon to process
record requests.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This prevents multiple child processes being forked at the same time
for vacuuming TDBs.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This makes it consistent with Samba, to ease transition.
Update unit test code to link to with tdb_wrap instead of including
db_wrap.c.
There are some potential whitespace fixes in this commit that have
been ignored. CTDB's lib/tdb_wrap will be deleted after the
transition to Samba's lib/tdb_wrap, so there's no point polishing it
too much.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This indirect caller of delete_marshall_traverse was missed
in fa4a81c86b
which lets failure of the second travers fail the vacuum run.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids duplicate code and extra talloc in ctdb_marshall_record.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
and not only if repack_limit != 0. This partially reverts
commit 48f2d11588.
With the new tdb code this defragments the
free list by merging adjacent records.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This got lost in commit 1994870299
("ctdb-vacuum: make ctdb_vacuum_traverse_db() void.")
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is a small code cleanup.
vdata is only used in ctdb_vacuum_db() and not in
ctdb_vacuum_and_repack_db() where it is currently initialized.
This patch moves creation and all previously scattered
initialization of vacuum_data into ctdb_vacuum_init_vacuum_data
which is called from ctdb_vacuum_db.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Since we usually have 0 records left for repack-deletion,
repacking is essentially used for the purpose of defragmenting
the freelist, we can use the vanilla tdb_repack function.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The repack operation now mainly defragments the freelist
and does not usually delete any records any more.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Now we usually have records to delete == 0 after the preceding
vacuum run. Anyways, deletion is not a major aspect any more
of the repack run and will vanish soon.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
when bumping skipped, decrement left, so the sum is correct
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Thu Mar 6 03:32:33 CET 2014 on sn-devel-104
We need to have left records == 0 at the end of the delete list processing.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Failure in traversal of the DB should not
prevent further processing.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
We should try to continue vacuuming as much as possible.
Failure to send records to one lmaster doesn't mean the
others will fail too.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
we know anyways the record to store is empty at this point.
So skip pointer calculations.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
With the new vacuuming, we consider it an error if there are
records left for deletion after processing the various lists.
All records that can be deleted should have been deleted by
tdb_delete calls.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
