Information Schema INNODB_TABLESPACES_SCRUBBING Table

The table was removed in MariaDB 10.5.2 - see MDEV-15528.

The Information Schema INNODB_TABLESPACES_SCRUBBING table contains data scrubbing information.

The PROCESS privilege is required to view the table.

It has the following columns:

Column
Description

Column

Description

SPACE

InnoDB table space id number.

NAME

Path to the table space file, without the extension.

COMPRESSED

The compressed page size, or zero if uncompressed.

LAST_SCRUB_COMPLETED

Date and time when the last scrub was completed, or NULL if never been performed.

CURRENT_SCRUB_STARTED

Date and time when the current scrub started, or NULL if never been performed.

CURRENT_SCRUB_ACTIVE_THREADS

Number of threads currently scrubbing the tablespace.

CURRENT_SCRUB_PAGE_NUMBER

Page that the scrubbing thread is currently scrubbing, or NULL if not enabled.

CURRENT_SCRUB_MAX_PAGE_NUMBER

When a scrubbing starts rotating a table space, the field contains its current size. NULL if not enabled.

ON_SSD

The field contains 1 when MariaDB detects that the table space is on a SSD based storage. 0 if not SSD or it could not be determined

Example

SELECT * FROM information_schema.INNODB_TABLESPACES_SCRUBBING LIMIT 1\G
*************************** 1. row ***************************
                        SPACE: 1
                         NAME: mysql/innodb_table_stats
                   COMPRESSED: 0
         LAST_SCRUB_COMPLETED: NULL
        CURRENT_SCRUB_STARTED: NULL
    CURRENT_SCRUB_PAGE_NUMBER: NULL
CURRENT_SCRUB_MAX_PAGE_NUMBER: 0
         ROTATING_OR_FLUSHING: 0
1 rows in set (0.00 sec)

This page is licensed: CC BY-SA / Gnu FDL

Last updated

Was this helpful?