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Martin Schwenke c730f0b337 ctdb-scripts: Optimise tickle_tcp_connections() 
Pipe the connections to "ctdb tickle" on stdin to avoid having to fork
so many "ctdb tickle" processes.  This maintains the current level of
verbosity at the price of some extra memory usage.

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): Thu Sep  8 10:45:42 CEST 2016 on sn-devel-144
2016-09-08 10:45:42 +02:00
..
events.d ctdb-scripts: Add early exit for redundant updateip 2016-08-17 23:00:26 +02:00
nfs-checks.d ctdb-scripts: Move 60.nfs Ganesha callout to doc/examples/ 2015-07-21 07:54:09 +02:00
ctdb-crash-cleanup.sh ctdb-scripts: Update script boilerplate to avoid shellcheck warnings 2016-07-06 04:28:09 +02:00
ctdb.init ctdb-scripts: Avoid shellcheck warning SC2039 (echo -n) 2016-07-21 02:24:26 +02:00
ctdb.service initscript: Update systemd configuration to put PID file in /run/ctdb 2013-10-25 12:06:07 +11:00
ctdb.sudoers ctdb-scripts: Update important installed files to use build-time defaults 2015-09-15 08:56:21 +02:00
ctdbd_wrapper ctdb-scripts: Avoid shellcheck warning SC2039 (non-portable ulimit options) 2016-07-21 02:24:27 +02:00
ctdbd.conf ctdb-packaging: Move ctdb configuration to ctdbd.conf 2016-07-28 05:00:18 +02:00
debug_locks.sh ctdb-scripts: Avoid chellcheck warning SC2012 (ls for file list) 2016-07-21 02:24:27 +02:00
debug-hung-script.sh ctdb-scripts: Quote some variable expansions 2016-07-06 08:15:49 +02:00
functions ctdb-scripts: Optimise tickle_tcp_connections() 2016-09-08 10:45:42 +02:00
gcore_trace.sh common: Debug ctdb_addr_to_str() using new function ctdb_external_trace() 2012-10-18 20:05:42 +11:00
nfs-linux-kernel-callout ctdb-scripts: Avoid shellcheck warning SC2039 (test -nt operator) 2016-07-21 02:24:26 +02:00
notify.d.README scripts: Rework notify.sh to use notify.d/ directory 2013-05-23 16:18:23 +10:00
notify.sh ctdb-scripts: Quote some variable expansions 2016-07-06 08:15:49 +02:00
README Eventscript support - Remove unused interface_modify.sh 2012-03-22 15:30:27 +11:00
statd-callout ctdb-scripts: Avoid shellcheck warning SC2002 (useless cat) 2016-07-21 02:24:26 +02:00

README 

This directory contains run-time support scripts for CTDB.

Selected highlights:

  ctdb.init

    An initscript for starting ctdbd at boot time.

  events.d/

    Eventscripts.  See events.d/README for more details.

  functions

    Support functions, sourced by eventscripts and other scripts.

  statd-callout

    rpc.statd high-availability callout to support lock migration on
    failover.

Notes:

* All of these scripts are written in POSIX Bourne shell.  Please
  avoid bash-isms, including the use of "local" variables (which are
  not available in POSIX shell).

* Do not use absolute paths for commands.  Unit tests attempt to
  replace many commands with stubs and can not do this if commands are
  specified with absolute paths.  The functions file controls $PATH so
  absolute paths should not be required.