Downgrade to table scan if index read too many handle from individual region #179

ilovesoup · 2017-12-05T06:17:34Z

If retrieves too many handles from an individual region, downgrade index scan to table scan. The threshold should be configurable.

ilovesoup added P0 cur_sprint labels Dec 5, 2017

ilovesoup self-assigned this Dec 11, 2017

Novemser self-assigned this Dec 11, 2017

ilovesoup removed their assignment Dec 12, 2017

This was referenced Dec 16, 2017

Dynamically downgrade index scan plan to table scan plan pingcap/tispark#140

Merged

Downgrade to tablescan #200

Merged

birdstorm mentioned this issue Dec 29, 2017

Downgrade to table scan if index read too many handle from individual region pingcap/tispark#184

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Downgrade to table scan if index read too many handle from individual region #179

Downgrade to table scan if index read too many handle from individual region #179

ilovesoup commented Dec 5, 2017

Downgrade to table scan if index read too many handle from individual region #179

Downgrade to table scan if index read too many handle from individual region #179

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ilovesoup commented Dec 5, 2017