* refactor: plumb executor into all Db instances
* refactor: Route all query executions through worker pool
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
* feat: use a dedicated tokio threadpool for running queries
* feat: plumb number of executor threads through to command line
thread through command line
* fix: Logical merge conflict
* fix: another logical conflict
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
The initial benchmarks look like this on my i9 MBP:
```
Data in one open chunk and one closed chunk of mutable buffer/tag0/no_pred 1.00 91.0±2.55ms ? ?/sec
Data in one open chunk and one closed chunk of mutable buffer/tag0/with_pred 1.00 11.5±0.72ms ? ?/sec
Data in one open chunk and one closed chunk of mutable buffer/tag1/no_pred 1.00 120.3±5.10ms ? ?/sec
Data in one open chunk and one closed chunk of mutable buffer/tag1/with_pred 1.00 11.2±0.22ms ? ?/sec
Data in one open chunk and one closed chunk of mutable buffer/tag2/no_pred 1.00 203.2±8.45ms ? ?/sec
Data in one open chunk and one closed chunk of mutable buffer/tag2/with_pred 1.00 11.2±0.21ms ? ?/sec
Data in open chunk of mutable buffer, and one chunk of read buffer/tag0/no_pred 1.00 100.3±3.73ms ? ?/sec
Data in open chunk of mutable buffer, and one chunk of read buffer/tag0/with_pred 1.00 31.2±1.80ms ? ?/sec
Data in open chunk of mutable buffer, and one chunk of read buffer/tag1/no_pred 1.00 126.7±2.29ms ? ?/sec
Data in open chunk of mutable buffer, and one chunk of read buffer/tag1/with_pred 1.00 33.0±1.70ms ? ?/sec
Data in open chunk of mutable buffer, and one chunk of read buffer/tag2/no_pred 1.00 212.0±6.86ms ? ?/sec
Data in open chunk of mutable buffer, and one chunk of read buffer/tag2/with_pred 1.00 18.1±0.99ms ? ?/sec
Data in single open chunk of mutable buffer/tag0/no_pred 1.00 98.7±6.08ms ? ?/sec
Data in single open chunk of mutable buffer/tag0/with_pred 1.00 11.2±0.37ms ? ?/sec
Data in single open chunk of mutable buffer/tag1/no_pred 1.00 118.9±3.97ms ? ?/sec
Data in single open chunk of mutable buffer/tag1/with_pred 1.00 11.7±0.64ms ? ?/sec
Data in single open chunk of mutable buffer/tag2/no_pred 1.00 202.1±8.49ms ? ?/sec
Data in single open chunk of mutable buffer/tag2/with_pred 1.00 11.1±0.27ms ? ?/sec
Data in two read buffer chunks/tag0/no_pred 1.00 109.2±5.20ms ? ?/sec
Data in two read buffer chunks/tag0/with_pred 1.00 44.2±1.83ms ? ?/sec
Data in two read buffer chunks/tag1/no_pred 1.00 132.9±3.79ms ? ?/sec
Data in two read buffer chunks/tag1/with_pred 1.00 41.7±2.43ms ? ?/sec
Data in two read buffer chunks/tag2/no_pred 1.00 222.4±7.00ms ? ?/sec
Data in two read buffer chunks/tag2/with_pred 1.00 27.9±0.92ms ? ?/sec
```
Raphael Taylor-Davies
Edd Robinson
Andrew Lamb