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[Server] Fix memory growing with every tools/call - #574
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chr-hertel
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soyuka
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October 10, 2026 01:55
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🟢 Approval recommended
The focused memoization correctly addresses the reported cache growth and is covered by an appropriate regression test.
0 open findings
What changed in this PR
Fixes repeated schema decoding that caused Opis cache growth during long-lived tools/call workloads.
Changes:
- Memoizes decoded schemas by JSON representation.
- Removes unreachable exception handling.
- Adds regression coverage and a changelog entry.
| File | Description |
|---|---|
src/Capability/Discovery/SchemaValidator.php |
Reuses decoded schema objects. |
tests/Unit/Capability/Discovery/SchemaValidatorTest.php |
Verifies stable Opis cache size. |
CHANGELOG.md |
Documents the memory fix. |
🧠 Review effort: Balanced
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Reuse the decoded schema object, Opis caches each new one forever.
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SchemaValidatordecoded the tool schema into a newstdClasson every call, and Opis'SchemaLoadercaches every new schema object for good => ~7 KB leaked pertools/callin long-lived processes (stdio, FrankenPHP workers).InvalidArgumentExceptionbranch, the signature already narrows toarray|objectFixes chr-hertel#62
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