Mysql check table permissions
The default check type also is medium for static-format Myisam tables, unless changed or fast is specified. C line 3235 InnoDB: Failing assertion: page_get_n_recs(page) 0 (level 0 page_get_page_no(page) dict_index_get_page(index) InnoDB: We intentionally generate a memory trap.
Imho, the "Checking Permissions" issues is a hard one to fathom even for experts. (In most cases, under normal usage, MySQL should find any error in the data file. Our aim is to avoid these changes, but occasionally they are necessary to correct problems that would be worse than an incompatibility between releases. To verify the entire contents of an InnoDB.ibd file, use the innochecksum command.
If InnoDB detects semaphore waits of 240 seconds or more, it starts printing InnoDB monitor output to the error log. However, the advantage of mysqlcheck command is that it can be executed when the mysql daemon is running. For example, if we only wanted to grant access to the Users and Visitors table we would run: grant select, show view ON ers to 'myuser myhost; grant select, show view ON sitors to 'myuser myhost; Give the user a secure password. The last row has a Msg_type value of status and the Msg_text normally should.
To avoid the possibility of a semaphore wait timeout entirely, run check table quick instead of check table. To learn more, see our tips on writing great answers. You should now be at a MySQL prompt that looks very similar to this: mysql If you havent yet created a MySQL user, please refer to our tutorial on creating a MySQL user.
SET password FOR 'chartio_read_only localhost password topsecret or SET password FOR 'chartio_direct_connect password topsecret Now you can safely access your database with this user and be assured it only has permissions to the specified tables. Just specify the database name. The row scan is skipped for changed and fast because the rows are very seldom corrupted. Employee OK You should pass the username/password to the mysqlcheck command.
# mysqlcheck -debug-info -u root -p -auto-repair -c -o thegeekstuff employee Enter password: thegeekstuff. Tables where table_schema 'mydatabase For example, if you wanted to connect the user chartio_read_only to your Reports database using the chartio_connect client you would run the following: select concat grant select, show view ON Reports.
While the s/w accesses the, dB the, dB cpus get all to 100, while processlist report 99 of queries stuck in "checking permissions". With FOR upgrade, the server checks each table to determine whether there have been any incompatible changes in any of the table's data types or indexes since the table was created. Stack, exchange, network, stack, exchange network consists of 176, q A communities including, stack. Incompatibilities might occur because the storage format for a data type has changed or because its sort order has changed.