Truncate waiting for table metadata lock
WebIn 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 …
Truncate waiting for table metadata lock
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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, … WebJul 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 …
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; WebJan 9, 2024 · Yes, it's safe. Your alter table query hasn't even started. However, the waiting for table metadata lock means, that there's another transaction operating on that table for …
WebDec 31, 2016 · In a previous article, Ovais demonstrated how a DDL can render a table blocked from new queries. In another article, Valerii introduced … WebDec 22, 2024 · The problem here seems straightforward enough. ---TRANSACTION 7490, ACTIVE 3047 sec MySQL thread id 189, OS thread handle 0x7f03be9fb700, query id 3840 …
WebMar 12, 2024 · Baidu, MySQL table lock solution, is also verify whether the table lock problem. Look at the table in use. show OPEN TABLES where In_use 0; In_use =1; …
WebDec 20, 2012 · I have built the table with both Myisam and INNODB table types and I see the same thing on both table types. Basically a truncate table just sits..(Currently 700+ … signs of a diabetic patientWebApr 14, 2024 · We can use the following command to get necessary information in a tabular form showing where the Waiting for table metadata lock occurs. Command: mysql> show … the range giraffe pictureWebFeb 24, 2024 · Step 3. If the previous methods didn’t help to solve the issue you can reboot the MySQL daemon to get rid of all Waiting for table metadata lock processes. If your … signs of a diabetic strokeWebMar 20, 2014 · TRUNCATE TABLE did not take an exclusive lock on a table if truncation was done by deleting all rows in the table. For InnoDB tables, this could break proper isolation … signs of a diseased gallbladderWebJun 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, … signs of a dismissive avoidantWebApr 24, 2024 · A table metadata lock is not a row level lock or table level lock, it is a lock on a table that prevents table’s structure. When any query (DDL) that alters the structure of … the range grass valley caWebA 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 … the range gloucestershire