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b6a0e4b856
New variables CTDB_MONITOR_MEMORY_USAGE and CTDB_MONITOR_SWAP_USAGE. Both take a pair of <warn_threshold>:<unhealthy_threshold> where each theshold is specified as a percentage. This adds a callout to check_thresholds() that is run when the unhealthy threshold is reached. Add some combination tests. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
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.