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Serialize server weighting parameters

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The server weighting parameters couldn't be altered online and they
weren't serialized to disk. Only servers that are created online will have
their weighting parameters persisted to disk.
This commit is contained in:
Markus Mäkelä
2016-12-19 18:14:47 +02:00
parent 180728dde6
commit ae8c21929f
5 changed files with 94 additions and 14 deletions
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14
server/core/service.c
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@ -2271,7 +2271,7 @@ static void service_calculate_weights(SERVICE *service)
if (perc == 0)
{
MXS_ERROR("Weighting parameter '%s' with a value of %d for"
MXS_WARNING("Weighting parameter '%s' with a value of %d for"
" server '%s' rounds down to zero with total weight"
" of %d for service '%s'. No queries will be "
"routed to this server as long as a server with"
@ -2300,6 +2300,18 @@ static void service_calculate_weights(SERVICE *service)
}
}
void service_update_weights()
{
spinlock_acquire(&service_spin);
for (SERVICE *service = allServices; service; service = service->next)
{
service_calculate_weights(service);
}
spinlock_release(&service_spin);
}
bool service_server_in_use(const SERVER *server)
{
bool rval = false;