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Consider schema error as election priority

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tino247
2023-05-16 06:16:57 +00:00
committed by ob-robot
parent 09b2cbb3ef
commit 672b7dfb94
5 changed files with 90 additions and 2 deletions
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33
src/share/schema/ob_multi_version_schema_service.cpp
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@ -3538,6 +3538,39 @@ bool ObMultiVersionSchemaService::is_tenant_full_schema(const uint64_t tenant_id
return bret;
}
// factor of election priority
bool ObMultiVersionSchemaService::is_tenant_not_refreshed(const uint64_t tenant_id)
{
int ret = OB_SUCCESS;
bool schema_not_refreshed = false;
if (OB_FAIL(refresh_full_schema_map_.get_refactored(tenant_id, schema_not_refreshed))) {
// 1. tenant not exist
// 2. tenant schema not refreshed yet after create tenant or restart observer.
schema_not_refreshed = true;
LOG_TRACE("fail to get refresh full schema flag from map", KR(ret), K(tenant_id));
} else {
// 1. when schema_not_refreshed = false, it means tenant refreshed full schema once.
// 2. when schema_not_refreshed = true, it means tenant schema should be refreshed or tenant has been dropped.
if (schema_not_refreshed) {
ObSchemaGetterGuard guard;
ObSimpleTenantSchema *tenant_schema = NULL;
if (OB_FAIL(get_tenant_schema_guard(OB_SYS_TENANT_ID, guard))) {
schema_not_refreshed = false;
LOG_WARN("fail to get schema guard", KR(ret), K(tenant_id));
} else if (OB_ISNULL(tenant_schema)) {
schema_not_refreshed = true;
LOG_TRACE("tenant should be refreshed or has been dropped", KR(ret), K(tenant_id));
} else if (tenant_schema->is_normal()) {
schema_not_refreshed = true;
} else {
// To make ls leader stable when tenant is in abnormal status.
schema_not_refreshed = false;
}
}
}
return schema_not_refreshed;
}
// sql should retry when tenant is normal but never refresh schema successfully.
bool ObMultiVersionSchemaService::is_schema_error_need_retry(
ObSchemaGetterGuard *guard,