feat: Add indexed priority queue for auto writer thread scaling

[xiaoxmeng]

Summary: Add indexed priority queue for table writer thread auto-scaling. The indexed priority queue organize the insert value by priority. It supports to (1) pop from the top of the queue, (2) update the existing value's priority and correspondingly adjusts its position in the queue. It support both min and max queue.

Differential Revision: D66117014

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D66117014

[netlify[bot]]

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[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D66117014

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D66117014

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D66117014

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D66117014

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D66117014

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D66117014

[facebook-github-bot]

This pull request has been merged in facebookincubator/velox@b1069008c468ae110d87ec24400357ab3f3644fb.

[conbench-facebook[bot]]

Conbench analyzed the 1 benchmark run on commit b1069008.

There were no benchmark performance regressions. 🎉

The full Conbench report has more details.