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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>
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>
The databases are repacked automatically during vacuuming when the
freelist size grows beyond configured threshold (RepackLimit).
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The database generation for each database is updated only during recovery.
After recovery is complete the database generation would be the same as
the global generation.
The database generation is required for parallel database recovery.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Since the banning code does not call this function anymore, it can be
made static.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The same structure is required in new controls for database transactions.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
The pending calls are migration requests received from clients (over unix
domain socket) which are under processing. After a recovery is finished,
any requests which are under processing will be dropped since they do
not belong to the current generation. All the pending call requests
are resent with new generation to restart record migrations.
This is in preparation for parallel database recovery.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Just use ctdb_tcp_connection. It is the same. There are no external
users.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
When the ctdb statistics is reset, reset per database statistics to keep
it consistent with ctdb statistics.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This has not been used for a long time.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Fri Jul 10 23:41:18 CEST 2015 on sn-devel-104
This needs to be cleared to avoid stale data when a new recovery
master is elected.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat May 30 05:03:59 CEST 2015 on sn-devel-104
This is like CTDB_CONTROL_GET_NODEMAP but it loads from the nodes file
instead of the daemon.
Also new client function ctdb_ctrl_getnodesfile()
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Every time a nodemap is contructed the node IP addresses all need to
be parsed. This isn't very productive use of CPU.
Instead, parse each string once when the nodes file is loaded. This
results in much simpler code.
This code also removes the use of ctdb_address. Duplicating the port
is pointless without an abstraction layer around ctdb_address. If
CTDB gets an incompatible transport in the future then add an
abstraction layer.
Note that the infiniband code is not updated. Compilation of the
infiniband code is already broken. Fixing it will be a separate,
properly tested effort.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Having it require a CTDB context stops ctdb_parse_address() from being
used in more generic code. Just use the existing talloc context for
memory allocations.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Have it just silently take or fail to take the lock, except on an
unexpected failure (where it should log an error).
This means that when it is called we need to keep the old behaviour
and explicitly release the lock. In do_recovery() the lock is
released and a message is printed before attempting to take the lock.
In the daemon sanity check the lock must be released in the error path
if it is actually taken.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Unlock the recovery lock file. This way knowledge of the file
descriptor isn't sprinkled throughout the code.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
It is much simpler for most cases to have a syslog backend that
doesn't need a separate CTDB-specific logging daemon. This loses the
lossy, non-blocking mode provided by logd. However, a corresponding
feature with a completely different implemention (not requiring an
extra daemon) will be re-added into the syslog backend. In an ideal
world the new implementation would be added first but unfortunately
that is hard to do because the logd code is hooked in at more than one
place.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes the code cleaner and allows the syslog backend to be easily
modified without affecting other code. Also do some extra clean-up,
including whitespace fixups.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is only used by logging code and there is already a file-level
variable for this. struct ctdb_context already contains too many
things.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
As far as we know, nobody uses this and it just complicates the
logging subsystem.
Remove all ringbuffer code and documentation. Update the local
daemons startup code correspondingly.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Warnings are currently produced when compiling Samba and
ctdb_private.h is included. A forward enum declaration avoids the
warning.
This is a temporary measure. The log ringbuffer should be removed
soon.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Tue Sep 23 10:31:50 CEST 2014 on sn-devel-104
