Add a LRU cache to limit indexing memory usage. - #2079

Merged

voodoos merged 28 commits into

voodoos:lru_cache_2

Jul 16, 2026

Commits on Jul 16, 2026

Add a LRU cache to limit indexing memory usage.

authored and
voodoos
committed
3bbf3eb
Add changelog for #2079
voodoos
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f20f772
Promote test change
voodoos
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5ae38c7
refmt
voodoos
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70af090
On_disk_small: Reuse store and loc from parents
voodoos
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88680e9
Promote parent in LRU when fetching a child
voodoos
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8873a25
Rename fetch_parent
voodoos
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6f1f871
Make schema optional in `On_disk` to remove placeholder usages of `On_disk_ptr`
voodoos
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418a890
Factorize merge_union function
voodoos
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ba73179
Always upgrade reused links schemas
voodoos
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ebd1f00
Serialized should use the same cache logic as Serialized_reused
voodoos
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a07ff2a
Store info directly in `In_cache` instead of the LRU cell
voodoos
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3b94bad
Use kb for chache size flag, default to 1gb
voodoos
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5cbfbd0
Remove todo
voodoos
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d8c9331
Document default cache size
voodoos
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bc9c08e
find_and_wompress: directly return the root
voodoos
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ba39e1e
Union_find.union, no need for a new link
voodoos
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daf5b2a
Make the union find store more granular.
voodoos
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50cd87a
Add missing cache use
voodoos
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69afef5
Factor out the cache logic
voodoos
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d9e1c02
Also skip smalls that have already been skipped
voodoos
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b80cfc7
Remove unused Serialized_reused
voodoos
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5a288d9
Remove remaining occurrence of Serialized_reused
voodoos
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7b8bf4c
Split On_disk_ptr in two to better distinguish smalls
voodoos
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8302914
Push missing fix
voodoos
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50c0ad2
Fix Union_find.merge in the general case
voodoos
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f5205a0
In_cache: remove redundant status field
voodoos
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844955d
Refactor Union_find.merge
voodoos
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ee42496