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memory tree to stdout. This is much more useful than putting it in the log, and also fixes
a bug where the pipe would overflow internally and cause ctdbd to lockup
(This used to be ctdb commit e236979e2162d9bd7a495086342168a696cf76c5)
nodes into two separate files.
move the monitoring of keepalives for detecting connected/disconnected
remote nodes into ctdb_keepalive.c
(This used to be ctdb commit 23a57b20c314d5f11a433cf251eb9d9de743849a)
ctdb vacuum : vacuums all the databases, deleting any zero length
ctdb records
ctdb repack : repacks all the databases, resulting in a perfectly
packed database with no freelist entries
(This used to be ctdb commit 3532119c84ab3247051ed6ba21ba3243ae2f6bf4)
monitoring should always be enabled
(though a node may want to temporarily disable running the "monitor"
event scripts but can do so internally without the need for this
control)
(This used to be ctdb commit e3a33618026823e6af845fd8513cddb08e6b5584)
control, instead call ctdb_start/stop_monitoring()
ctdb_stop_monitoring() dont allocate a new monitoring context, leave it
NULL. Also set the monitoring_mode in this function so that
ctdb_stop/start_monitoring() and ->monitoring_mode are kept in sync.
Add a debug message to log that we have stopped monitoring.
ctdb_start_monitoring() check whether monitoring is already active and
make the function idempotent.
Create the monitoring context when monitoring is started.
Update ->monitoring_mode once the monitoring has been started.
Add a debug message to log that we have started monitoring.
When we temporarily stop monitoring while running an event script,
restart monitoring after the event script wrapper returns instead of in
the event script callback.
Let monitoring_mode start out as DISABLED and let it be enabled once we call ctdb_start_monitoring.
dont check for MONITORING_DISABLED in check_fore_dead_nodes(). If
monitoring is disabled, this event handler will not be called.
(This used to be ctdb commit 3a93ae8bdcffb1adbd6243844f3058fc742f76aa)
multiple public addresses spread across multiple interfaces on each
node.
this is a massive patch since we have previously made the assumtion that
we only have one public address per node.
get rid of the public_interface argument. the public addresses file
now explicitely lists which interface the address belongs to
(This used to be ctdb commit 462ebbc791e906a6b874c862defea43235597ca8)
controls to register/unregister/check a server id.
a server id consists of TYPE:VNN:ID where type is specific to the
application. VNN is the node where the serverid was registered and ID
might be a node unique identifier such as a pid or similar.
Clients can register a server id for themself at the local ctdb daemon.
When a client dissappears or when the domain socket connection for the
client drops then any and all server ids registered across that domain
socket will also be automatically removed from the store.
clients can register as many server_ids as they want at the same time
but each TYPE:VNN:ID must be globally unique.
Clients have the option of explicitely unregister a server id by using
the UNREGISTER control.
Registration and unregistration can only be done by clients to the local
daemon. clients can not register their server id to a remote node.
clients can check if a server id does exist on any ctdb node in the
network by using the check control
(This used to be ctdb commit d44798feec26147c5cc05922cb2186f0ef0307be)
from the administrator, log this as 'Received SHUTDOWN command. Stopping
CTDB daemon.' so that the administrator will know when looking at the
log 'why' the ctdb service was terminated.
Previously the only thing logged was 'shutting down' which is not
detailed enough.
(This used to be ctdb commit 5b818c1b72b6594a8d6e45e1865026e3ce33ae63)
there is an array for each node/public address that contains tcp tickles
we send a TCP_ADD as a broadcast to all nodes when a client is added
if tcp tickles are removed, they are only removed immediately from the
local node.
once every 20 seconds a node will push/broadcast out the tickle list for
all public addresses it manages. this will remove any deleted tickles
from the remote nodes
(This used to be ctdb commit e3c432a915222e1392d91835bc7a73a96ab61ac9)
ip/node
once we have started sending all tickles for a specific ip delete the
entire array so that the tickles dont remain forever in the ctdb
server
add a control to send the full list of every tickle that is registered
for a particular public ip/node
(This used to be ctdb commit d0eee33e44d3f8e26debbec21d41e2cbdbb520e6)
