ANALYZE TABLE removes the table from the table definition cache, which requires a flush lock. If there are long running statements or transactions still using the table, subsequent statements and transactions must wait for those operations to ...
When MariaDB Server creates a new instance, it prints a message like the following to the [[error-log|error log]]: <<code>> [Note] Detected table cache mutex contention at instance 1: 25% waits. Additional table cache instance activated. Number of instances after activation: 2. <</code...
MariaDBTableDataset.toJson(JsonWriter jsonWriter) Parameters: jsonWriter Throws: IOException type public String type() Get the type property: Type of dataset. Overrides: MariaDBTableDataset.type() Returns: the type value.validate public void validate() Validates the instance. Overrides: MariaDB...
DefinitionStages.WithProperties ManagedVirtualNetworkResource.Update ManagedVirtualNetworkResource.UpdateStages ManagedVirtualNetworkResource.UpdateStages.WithIfMatch ManagedVirtualNetworkResource.UpdateStages.WithProperties ManagedVirtualNetworks MappingDataFlow MariaDBLinkedService MariaDBSource MariaDBTableDataset Marketo...
--table_open_cache_instances=# Configuration file Supported Dynamic No Scope Global Data Type INT UNSIGNED Minimum Value 1 Maximum Value 64 Product Default Value 8 SKYSQL See SkySQL details inMariaDB SkySQL previous release See SkySQL details inMariaDB SkySQL new release ...
不过我们发现,strace 中没有关于表结构文件的 open 操作(只有 stat 操作,定位表结构文件是否存在),也就是说 table cache 不命中,不一定需要读取表结构文件。 这种感觉好像是:在不命中 table cache 时,命中了另外一个表结构缓存。这个缓存就是之后我们会介绍的 table_definition_cache。
SparkJobDefinitionFolder SparkJobDefinitionResource SparkJobDefinitionsListResponse SparkJobProperties SparkJobReferenceType SparkJobType SparkLinkedService SparkObjectDataset SparkRequest SparkScheduler SparkServerType SparkServiceError SparkServicePlugin SparkSource SparkThriftTransportProtocol SqlConnection SqlConnectionTy...
2024-07-02 11:29:34.341 WARN 42454 --- [ULT-14-thread-1] ServiceLoader$InnerEnhancedServiceLoader : Load [io.seata.rm.datasource.sql.struct.cache.MariadbTableMetaCache] class fail: Could not initialize class io.seata.rm.datasource.sql.struct.cache.MysqlTableMetaCache 2024-07-02 11:29:34.3...
my.cnf And Under the |mysqld| section, add the following three variables: innodb_file_per_table = OFF table_definition_cache = 400 table_open_cache = 400 And restarted MySQL and it seems to temporarily resolved the issue. I have a blog post that gives details:https://apple.lib.utah....
SparkJobDefinitionFolder SparkJobDefinitionResource SparkJobDefinitionsListResponse SparkJobProperties SparkJobReferenceType SparkJobType SparkLinkedService SparkObjectDataset SparkRequest SparkScheduler SparkServerType SparkServiceError SparkServicePlugin SparkSource SparkThriftTransportProtocol SqlConnection SqlConnectionTy...