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BUG: https://bugzilla.samba.org/show_bug.cgi?id=12978
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Fri Aug 25 13:32:58 CEST 2017 on sn-devel-144
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Mon Aug 14 13:00:16 CEST 2017 on sn-devel-144
The tdb open flags should be calculated based on the database type and
ctdb tunables.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Currently, every lock helper will log a message if it cannot get a lock.
This can spam the logs and overwhelm syslog if there are hundreds of
lock helpers waiting for contended record.
Instead keep track of the record for which we have already logged once
with specific timeout interval. If we get timeout interval larger than
the previously logged interval, then log again once. This will reduce
the amount of logs for contended records to a single log entry per 10
seconds per record.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Extend CTDB_REQ_KEEPALIVE packet to include version and uptime. If CTDB
versions do not match shutdown ctdb.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Instead of using hopcount as a metric for hot records, use the number
of migrations per second as a metric.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Wed Apr 5 08:35:45 CEST 2017 on sn-devel-144
Following controls are now implemented by event daemon
- RUN_EVENTSCRIPTS
- GET_EVENT_SCRIPT_STATUS
- ENABLE_SCRIPT
- DISABLE_SCRIPT
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
These were used in serial recovery and for restoring databases using
older ctdb tool. New code uses database specific transaction controls.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This drastically simplifies the code. "ctdb reloadips" behaves the
same, since it causes a takeover run immediately after IPs are
deleted. "ctdb delip" now needs to be followed with an explicit "ctdb
ipreallocate".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Parallel database recovery freezes databases in parallel and irrespective
of database priority. So drop priority from freeze/thaw code.
Database priority will be dropped completely soon.
Now FREEZE and THAW controls operate on all the databases.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
