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Update KEYS and SCAN page with new optimization about pattern with hash tag. #2610

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merged 8 commits into from
Mar 7, 2024
Merged

Update KEYS and SCAN page with new optimization about pattern with hash tag. #2610

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ae9897d
Update keys page with new optimization.
CharlesChen888 Nov 29, 2023
37ad598
Make it clearer.
CharlesChen888 Nov 29, 2023
116a559
Add a cluster enabled
CharlesChen888 Nov 30, 2023
523ad87
Add pattern hash tag note to scan match.
CharlesChen888 Nov 30, 2023
88e63ff
Polishing.
CharlesChen888 Dec 1, 2023
91e6c3f
Break lines.
CharlesChen888 Dec 4, 2023
4304dad
Add link to hash tag page.
CharlesChen888 Mar 1, 2024
80e69f7
Polish some description. Use text link instead of raw link.
CharlesChen888 Mar 5, 2024
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2 changes: 2 additions & 0 deletions commands/keys.md
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Expand Up @@ -26,6 +26,8 @@ Supported glob-style patterns:

Use `\` to escape special characters if you want to match them verbatim.

Note that using a pattern with hash tag which can imply a specific slot can save complexity, as any key matching the pattern will be in the same slot, Redis would only iterate over keys in the slot, rather than the whole database. For example, with the pattern `{a}h*llo`, Redis would only try to match it with the keys in slot 15495, which hash tag `{a}` implies.
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@examples

```cli
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