Truncate waiting for table metadata lock
WebDec 6, 2024 · 发现 truncate 操作的状态是: Waiting for table metadata lock。. 查询正在执行的事务:. select * from information_schema.innodb_trx\G. 找到了操作表的那个事务, … WebDec 30, 2016 · 2. The locking issue is likely related to your database type and configs. But you definitely do want to keep the truncate operation. To explain why, here is an order of …
Truncate waiting for table metadata lock
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WebA ticket was raised earlier as a MariaDB bug that when a SELECT is executing on a table, parallel TRUNCATE waits for the Metadata Lock. ... it as a new FEATURE where they could … WebSep 19, 2024 · Wait for the other session to complete its operation and then try executing the ALTER TABLE statement again. Use the SHOW FULL PROCESSLIST command to see …
WebIf foundState The fields are:Waiting for table metadata lock It means that the table is locked, but in fact, the table cannot be opened. Lock table cause method. When the data table is cleared, the waiting time is a bit long. After clicking the stop, the data table clearing is executed again. (The following command) TRUNCATE TABLE table_name; Web有了这些基础知识后,我们就知道出现 Waiting for table metadata lock 这种情况多半是和事务有关,要么是一个长事务在运行,要么是事务没有提交造成的。. 下面我们在本地重现 …
WebDec 27, 2013 · The metadata_locks table is read only and cannot be updated. It is autosized by default; to configure the table size, set the performance_schema_max_metadata_locks … WebJun 24, 2024 · TRUNCATE is faster than DELETE, as it doesn't scan every record before removing it. TRUNCATE TABLE locks the whole table to remove data from a table; thus, …
WebMySQL : How to solve MySQL innodb "Waiting for table metadata lock" on TRUNCATE TABLE?To Access My Live Chat Page, On Google, Search for "hows tech developer...
WebApr 28, 2013 · If an InnoDB table is being accessed at all via SELECT or DML (INSERT, UPDATE, DELETE), you should rightly expect a metadata lock. According to the MySQL … child with lazy eyechild with mother and fatherWebJul 21, 2011 · Description: I'm trying truncate a table but this cause a hangs Waiting for table metadata lock. Not exist other transactions working on this table. Here the steps … child with large head and small bodyWebJun 15, 2012 · The performance_schema.metadata_locks table will include information about the metadata locks even if there is no other connection waiting for the lock. The … gpo set trusted sites security levelWebDec 25, 2012 · MySQL uses metadata locking to manage concurrent access to database objects and to ensure data consistency. Metadata locking applies not just to tables, but … gpo settings spreadsheetWebOct 2, 2024 · What I can confirm is the following scenario. Many concurrent queries are running against an InnoDB table. Then, a transaction is queued up that will force an … child with luggage homelessWebIn the following process list output, the connection ID 89 is waiting on a metadata lock, and it's running a TRUNCATE TABLE command. In a query on the performance_schema tables … child with magnifying glass clip art