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Add new minor freeze strategy for callback

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handora
2021-10-28 16:57:47 +08:00
committed by LINxiansheng
parent 647c095737
commit e7f25eaacd
1 changed files with 20 additions and 11 deletions
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29
src/share/ob_tenant_mgr.cpp
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@ -1893,17 +1893,26 @@ int ObTenantManager::check_memory_used(const int64_t tenant_id,
if (OB_FAIL(ObResourceMgr::get_instance().get_tenant_resource_mgr(tenant_id, resource_handle))) { if (OB_FAIL(ObResourceMgr::get_instance().get_tenant_resource_mgr(tenant_id, resource_handle))) {
COMMON_LOG(WARN, "fail to get resource mgr", K(ret), K(tenant_id)); COMMON_LOG(WARN, "fail to get resource mgr", K(ret), K(tenant_id));
} else { } else {
double total_memory_hold = get_tenant_memory_hold(tenant_id); double tenant_memory_hold = get_tenant_memory_hold(tenant_id);
double memory_limit = get_tenant_memory_limit(tenant_id); double tenant_memory_limit = get_tenant_memory_limit(tenant_id);
double kv_cache_mem = resource_handle.get_memory_mgr()->get_cache_hold(); omt::ObTenantConfigGuard tenant_config(TENANT_CONF(tenant_id));
double total_freeze_trigger = mem_memstore_limit + (memory_limit - mem_memstore_limit) * 0.5; int64_t trigger_percentage = tenant_config->writing_throttling_trigger_percentage;
if (!tenant_config.is_valid()) {
if (total_memory_hold - kv_cache_mem >= total_freeze_trigger COMMON_LOG(INFO, "failed to get tenant config");
&& mem_active_memstore_used >= 1.0/3.0 * total_freeze_trigger) { } else {
if (tenant_memory_limit > tenant_memory_hold &&
(tenant_memory_limit - tenant_memory_hold < mem_memstore_limit / 100 * (100 - trigger_percentage) * 0.95)) {
use_too_much_memory = true; use_too_much_memory = true;
COMMON_LOG(INFO, "too much memory is used, need to minor freeze", K(tenant_id), COMMON_LOG(INFO,
K(mem_active_memstore_used), K(mem_minor_freeze_trigger), "A minor freeze is needed by writing throttling",
K(total_memory_hold), K(kv_cache_mem), K(memory_limit)); K(tenant_memory_limit),
K(tenant_memory_hold),
K(mem_memstore_limit),
K(trigger_percentage),
K(mem_active_memstore_used),
K(mem_minor_freeze_trigger),
K(tenant_id));
}
} }
} }
return ret; return ret;