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`sys`.`x$host_summary_by_file_io`

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Customize appearance of the navigation panel.

Navigation panel

Show databases navigation as tree In the navigation panel, replaces the database tree with a selector
Link with main panel Link with main panel by highlighting the current database or table.
Display logo Show logo in navigation panel.
Logo link URL URL where logo in the navigation panel will point to.
Logo link target Open the linked page in the main window (`main`) or in a new one (`new`).
Enable highlighting Highlight server under the mouse cursor.
Maximum items on first level The number of items that can be displayed on each page on the first level of the navigation tree.
Minimum number of items to display the filter box Defines the minimum number of items (tables, views, routines and events) to display a filter box.
Recently used tables Maximum number of recently used tables; set 0 to disable.
Favorite tables Maximum number of favorite tables; set 0 to disable.
Navigation panel width Set to 0 to collapse navigation panel.

Customize the navigation tree.

Navigation tree

Maximum items in branch The number of items that can be displayed on each page of the navigation tree.
Group items in the tree Group items in the navigation tree (determined by the separator defined in the Databases and Tables tabs above).
Enable navigation tree expansion Whether to offer the possibility of tree expansion in the navigation panel.
Show tables in tree Whether to show tables under database in the navigation tree
Show views in tree Whether to show views under database in the navigation tree
Show functions in tree Whether to show functions under database in the navigation tree
Show procedures in tree Whether to show procedures under database in the navigation tree
Show events in tree Whether to show events under database in the navigation tree
Expand single database Whether to expand single database in the navigation tree automatically.

Servers display options.

Servers

Display servers selection Display server choice at the top of the navigation panel.
Display servers as a list Show server listing as a list instead of a drop down.

Databases display options.

Databases

Minimum number of databases to display the database filter box
Database tree separator String that separates databases into different tree levels.

Tables display options.

Tables

Target for quick access icon
Target for second quick access icon
Table tree separator String that separates tables into different tree levels.
Maximum table tree depth

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Show current browsing query
Execute queries on Enter and insert new line with Shift+Enter. To make this permanent, view settings.
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Collapse Expand Requery Edit Explain Profiling Query failed Database : Queried time :

Questions since startup: 19,145

ø per hour: 496
ø per minute: 8

Statements	#	ø per hour	%
select	9,571	248.2	49.99
show keys	2,160	56	11.28
show tables	2,121	55	11.08
show fields	1,709	44.3	8.93
set option	1,555	40.3	8.12
change db	576	14.9	3.01
show variables	347	9	1.81
show grants	289	7.5	1.51
show create table	271	7	1.42
show storage engines	117	3	0.61
show binlogs	85	2.2	0.44
show warnings	75	1.9	0.39
show master status	41	1.1	0.21
show replica status	41	1.1	0.21
show slave status	41	1.1	0.21
create table	35	0.9	0.18
stmt execute	24	0.6	0.13
stmt close	24	0.6	0.13
stmt prepare	24	0.6	0.13
show status	17	0.4	0.09
show replicas	5	0.1	0.03
show slave hosts	5	0.1	0.03
show binlog events	4	0.1	0.02
flush	3	0.1	0.02
show processlist	2	0.1	0.01
create db	1	<0.1	0.01
show engine status	1	<0.1	0.01
show table status	1	<0.1	0.01