Re: index prefetching
Robert Haas <robertmhaas@gmail.com>
Commits
GET /api/v1/messages/:b64id/commits
the thread's linked commits as JSON, with link sources.
API reference →
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aio: io_uring: Trigger async processing for large IOs
- a9ee66881744 19 (unreleased) landed
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read stream: Split decision about look ahead for AIO and combining
- 8ca147d582a5 19 (unreleased) landed
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read_stream: Only increase read-ahead distance when waiting for IO
- f63ca3379025 19 (unreleased) landed
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read_stream: Prevent distance from decaying too quickly
- 6e36930f9aaf 19 (unreleased) landed
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Reduce ExecSeqScan* code size using pg_assume()
- b227b0bb4e03 19 (unreleased) cited
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Fix rare bug in read_stream.c's split IO handling.
- b421223172a2 19 (unreleased) cited
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Fix multiranges to behave more like dependent types.
- 3e8235ba4f9c 17.0 cited
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Add EXPLAIN (MEMORY) to report planner memory consumption
- 5de890e3610d 17.0 cited
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Optimize nbtree backward scan boundary cases.
- c9c0589fda0e 17.0 cited
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Increment xactCompletionCount during subtransaction abort.
- 90c885cdab8b 14.0 cited
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Add nbtree Valgrind buffer lock checks.
- 4a70f829d86c 14.0 cited
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Add nbtree high key "continuescan" optimization.
- 29b64d1de7c7 12.0 cited
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Reduce pinning and buffer content locking for btree scans.
- 2ed5b87f96d4 9.5.0 cited
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Teach btree to handle ScalarArrayOpExpr quals natively.
- 9e8da0f75731 9.2.0 cited
On Thu, Dec 21, 2023 at 10:33 AM Tomas Vondra <tomas.vondra@enterprisedb.com> wrote: > > I continue to think that we should not have split plain and index only scans > > into separate files... > > I do agree with that opinion. Not just because of this prefetching > thread, but also because of the discussions about index-only filters in > a nearby thread. For the record, in the original patch I submitted for this feature, it wasn't in separate files. If memory serves, Tom changed it. So don't blame me. :-) -- Robert Haas EDB: http://www.enterprisedb.com