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Make explicit --chunk-size disable auto-sizing (set --chunk-time=0).

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Daniel Nichter
2011-11-16 11:30:51 -07:00
parent ef61f734cf
commit 14dc2366f6
3 changed files with 23 additions and 11 deletions
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7
bin/pt-table-checksum
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@@ -5793,6 +5793,8 @@ sub main {
);
$o->set('ignore-tables', \%ignore_tables);
$o->set('chunk-time', 0) if $o->got('chunk-size');
if ( !$o->get('help') ) {
if ( @ARGV > 1 ) {
$o->save_error("More than one host specified; only one allowed");
@@ -7536,6 +7538,9 @@ MySQL with trying to checksum too much data.
If a table does not have any unique indexes, the chunk size may be inaccurate,
in which case L<"--chunk-size-limit"> can help prevent overloading MySQL.
If this option is specified on the command line, then the given
chunk size is always used and L<"--chunk-time"> is set to zero.
=item --chunk-size-limit
type: float; default: 2.0; group: Safety
@@ -7946,7 +7951,7 @@ pt-table-checksum selects with USE, and never changes afterwards. See also
=item --resume
Resume checksumming from the last completed chunk (disables L<"--[no]empty-replicate-table). If the tool is stopped before it finishes checksumming all
Resume checksumming from the last completed chunk (disables L<"--[no]empty-replicate-table">). If the tool is stopped before it finishes checksumming all
tables, checksumming can resume from the last chunk of the last table
finished by specifying this option.