Allow tuning of Galera gcache size
Appropriate gcache.size values allow a cluster node to perform IST
instead of SST if the writes occurred during its downtime do not exceed
the size of the cache itself.
This is especially beneficial during maintenance windows.
Closes-Bug: #1939540
Change-Id: I483484c58ab703f3a4dcede636d733e23b051f63
(cherry picked from commit feed67dcc4
)
This commit is contained in:
parent
a29fd8ef77
commit
1ce9d8855d
|
@ -159,6 +159,10 @@
|
|||
# (optional) Use --force when creating the ocf resource via pcs
|
||||
# Defaults to false
|
||||
#
|
||||
# [*gcache_size*]
|
||||
# (optional) Controls the gcache size.
|
||||
# Defaults to undef
|
||||
#
|
||||
class tripleo::profile::pacemaker::database::mysql_bundle (
|
||||
$mysql_docker_image = undef,
|
||||
$control_port = 3123,
|
||||
|
@ -189,6 +193,7 @@ class tripleo::profile::pacemaker::database::mysql_bundle (
|
|||
$open_files_limit = 16384,
|
||||
$promote_timeout = 300,
|
||||
$force_ocf = false,
|
||||
$gcache_size = undef,
|
||||
) {
|
||||
if $bootstrap_node and $::hostname == downcase($bootstrap_node) {
|
||||
$pacemaker_master = true
|
||||
|
@ -240,6 +245,12 @@ class tripleo::profile::pacemaker::database::mysql_bundle (
|
|||
}
|
||||
$cluster_host_map_string = join($host_map_array, ';')
|
||||
|
||||
if $gcache_size {
|
||||
$gcache_options = "gcache.size=${gcache_size};"
|
||||
} else {
|
||||
$gcache_options = ''
|
||||
}
|
||||
|
||||
if $enable_internal_tls {
|
||||
$tls_certfile = $certificate_specs['service_certificate']
|
||||
$tls_keyfile = $certificate_specs['service_key']
|
||||
|
@ -278,9 +289,9 @@ class tripleo::profile::pacemaker::database::mysql_bundle (
|
|||
$mysqld_options_sst = {}
|
||||
}
|
||||
if $ipv6 {
|
||||
$wsrep_provider_options = "gmcast.listen_addr=tcp://[::]:4567;${tls_options}"
|
||||
$wsrep_provider_options = "${gcache_options}gmcast.listen_addr=tcp://[::]:4567;${tls_options}"
|
||||
} else {
|
||||
$wsrep_provider_options = "gmcast.listen_addr=tcp://${gmcast_listen_addr}:4567;${tls_options}"
|
||||
$wsrep_provider_options = "${gcache_options}gmcast.listen_addr=tcp://${gmcast_listen_addr}:4567;${tls_options}"
|
||||
}
|
||||
|
||||
$mysqld_options_mysqld = {
|
||||
|
|
Loading…
Reference in New Issue