[Koha-bugs] [Bug 22831] Elasticsearch - add a maintenance script for checking DB vs index counts

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22831

--- Comment #6 from Ere Maijala <ere.maijala at helsinki.fi> ---
Nick, one more thing: you can make the ES cursor a zillion times faster by not
retrieving any of the stored fields:

    my $scroll = $es->scroll_helper(
        index => $searcher->get_elasticsearch_params->{index_name},
        size => 5000,
        body => {
            query => {
                match_all => {}
            },
            stored_fields => []
        },
        scroll_in_qs => 1,
    );

I'd also run the id comparison regardless of whether record counts match since
there's could be a case where they do but the records still differ.

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