v2.1.9 release notes

[ericharmeling]

Fixes #5369.

[cockroach-teamcity]

This change is 

[cockroach-teamcity]

Online preview: http://cockroach-docs-review.s3-website-us-east-1.amazonaws.com/13727d3e7598f2b9af9a23cfcf2b4bd733910214/

Edited pages:

• releases/v2.1.9.md

[jseldess]

LGTM with a minor correction

Reviewable status: complete! 0 of 0 LGTMs obtained (waiting on @ericharmeling and @jseldess)

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_includes/sidebar-releases.json, line 23 at r1 (raw file):

      ]
    },
    {

You can remove 2.1.8 from the sidenav. We just list the main release and the latest patch.

[ericharmeling]

Reviewable status: complete! 0 of 0 LGTMs obtained (waiting on @jseldess)

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_includes/sidebar-releases.json, line 23 at r1 (raw file):

Previously, jseldess (Jesse Seldess) wrote…

You can remove 2.1.8 from the sidenav. We just list the main release and the latest patch.

Done.

[cockroach-teamcity]

Online preview: http://cockroach-docs-review.s3-website-us-east-1.amazonaws.com/a7f36a99042b54b1018821ab6b47444a07d926eb/

Edited pages:

• releases/v2.1.9.md

[bdarnell]

We should add a note for cockroachdb/cockroach#40353, which went in without one because we didn't grasp its significance when it was originally written. This is the biggest bug fix and the whole reason we're pushing this build now.

"Fixed a bug that could lead to data inconsistencies and crashes with the message consistency check failed with N inconsistent replicas."

[ericharmeling]

We should add a note for cockroachdb/cockroach#40353, which went in without one because we didn't grasp its significance when it was originally written. This is the biggest bug fix and the whole reason we're pushing this build now.

"Fixed a bug that could lead to data inconsistencies and crashes with the message consistency check failed with N inconsistent replicas."

Done! Thanks @bdarnell.

[cockroach-teamcity]

Online preview: http://cockroach-docs-review.s3-website-us-east-1.amazonaws.com/6c923124219b76be78021a6dbf599dd9ca48f575/

Edited pages:

• releases/v2.1.9.md

[jseldess]

Reviewable status: complete! 0 of 0 LGTMs obtained (waiting on @jseldess)

[ericharmeling]

Handing this off to you, @rmloveland

[cockroach-teamcity]

Online preview: http://cockroach-docs-review.s3-website-us-east-1.amazonaws.com/9febf82b73f0a0ef7379fa407abcf17ddee9bdf4/

Edited pages:

• releases/v2.1.9.md

[rmloveland]

@bdarnell and @jseldess , mind taking one more pass over these?

Updated with a few new commits and updated the date to 9/23, everything else should be the same, hopefully.

[bdarnell]

LGTM aside from the duplicates.

[cockroach-teamcity]

Online preview: http://cockroach-docs-review.s3-website-us-east-1.amazonaws.com/0fab7bc45c35e40116c6771dfd7e1049e2374361/

Edited pages:

• releases/v2.1.9.md

[rmloveland]

Thanks Ben. Removed dupes, publishing now.

[jseldess]

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releases/v2.1.9.md, line 51 at r2 (raw file):

- Fix bug where MVCC value at future timestamp is returned after a transaction restart. [#40632][#40632] [9dbb670a8][9dbb670a8]
- Consider intents in a read's uncertainty interval to be uncertain just as if they were committed values. This removes the potential for stale reads when a causally dependent transaction runs into the not-yet resolved intents from a causal ancestor. [#40632][#40632] [d6b00e37e][d6b00e37e]
- Fix wrong comparator used in RocksDB compaction picker, which can lead to infinite compaction loop. [#40752][#40752] [23459d2c4][23459d2c4]

Duplicate?

[jseldess]

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releases/v2.1.9.md, line 50 at r2 (raw file):

- Unary negatives in constant arithmetic expressions are no longer ignored. [#39368][#39368] [75a8d2468][75a8d2468]
- Fix bug where MVCC value at future timestamp is returned after a transaction restart. [#40632][#40632] [9dbb670a8][9dbb670a8]
- Consider intents in a read's uncertainty interval to be uncertain just as if they were committed values. This removes the potential for stale reads when a causally dependent transaction runs into the not-yet resolved intents from a causal ancestor. [#40632][#40632] [d6b00e37e][d6b00e37e]

Rephrase: Intents in a read's uncertainty interval are now considered uncertain just ....

[jseldess]

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releases/v2.1.9.md, line 49 at r2 (raw file):

- Fixed a potential infinite loop in queries involving reverse scans. [#39105][#39105] [6f537772c][6f537772c]
- Unary negatives in constant arithmetic expressions are no longer ignored. [#39368][#39368] [75a8d2468][75a8d2468]
- Fix bug where MVCC value at future timestamp is returned after a transaction restart. [#40632][#40632] [9dbb670a8][9dbb670a8]

Fix > Fixed

[jseldess]

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releases/v2.1.9.md, line 48 at r2 (raw file):

- Fixed incorrect results, or "unordered span" errors in some cases involving exclusive inequalities with non-numeric types. [#38897][#38897] [c2919b478][c2919b478]
- Fixed a potential infinite loop in queries involving reverse scans. [#39105][#39105] [6f537772c][6f537772c]
- Unary negatives in constant arithmetic expressions are no longer ignored. [#39368][#39368] [75a8d2468][75a8d2468]

Duplicate.

[jseldess]

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releases/v2.1.9.md, line 47 at r2 (raw file):

- Fix wrong comparator used in RocksDB compaction picker, which can lead to infinite compaction loop. [#40752][#40752] [23459d2c4][23459d2c4]
- Fixed incorrect results, or "unordered span" errors in some cases involving exclusive inequalities with non-numeric types. [#38897][#38897] [c2919b478][c2919b478]
- Fixed a potential infinite loop in queries involving reverse scans. [#39105][#39105] [6f537772c][6f537772c]

This is a duplicate.

[jseldess]

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releases/v2.1.9.md, line 46 at r2 (raw file):

- Unary negatives in constant arithmetic expressions are no longer ignored. [#39368][#39368]
- Fix wrong comparator used in RocksDB compaction picker, which can lead to infinite compaction loop. [#40752][#40752] [23459d2c4][23459d2c4]
- Fixed incorrect results, or "unordered span" errors in some cases involving exclusive inequalities with non-numeric types. [#38897][#38897] [c2919b478][c2919b478]

This is a duplicate.

[jseldess]

---

releases/v2.1.9.md, line 45 at r2 (raw file):

- Fixed a potential infinite loop in queries involving reverse scans. [#39105][#39105]
- Unary negatives in constant arithmetic expressions are no longer ignored. [#39368][#39368]
- Fix wrong comparator used in RocksDB compaction picker, which can lead to infinite compaction loop. [#40752][#40752] [23459d2c4][23459d2c4]

Fix > Fixed

[rmloveland]

Jesse, sorry for not waiting. Wanted to get these out ASAP and got an itchy trigger finger, my bad.

Re: the dupes, I just removed them after Ben's comment.

Re: the copy edits, let's leave it as is (even though they're improvements). I don't want to mess with it now that it's in the process of being published and maybe break something.

Reviewable status: complete! 0 of 0 LGTMs obtained (waiting on @ericharmeling and @rmloveland)