[ISSUE #1956]Adding #[inline] for IndexFile methods #1958
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🔭 Outside diff range comments (1)
rocketmq-store/src/index/index_file.rs (1)
Line range hint
143-219: Large method with unwrap operations; consider error handling and concurrency.
- Multiple
.unwrap()calls can induce panics if file data retrieval fails.- For concurrency safety, ensure that external coordination prevents multiple writers from calling
put_keyconcurrently without synchronization.
🧹 Nitpick comments (2)
rocketmq-store/src/index/index_file.rs (2)
109-110: Potential error handling.
load()callsself.index_header.load(), but there is no handling for possible I/O or parsing errors. IfIndexHeader::load()can fail, consider returning aResult.
Line range hint
119-131: Logging is helpful; consider broader error handling.
Theflushmethod logs flush duration, which is helpful for performance insights. However, it silently assumes success ofupdate_byte_buffer()andmapped_file.flush(0).
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rocketmq-store/src/index/index_file.rs(6 hunks)
🔇 Additional comments (12)
rocketmq-store/src/index/index_file.rs (12)
Line range hint 63-75: Consider error handling in new constructor.
This constructor might fail if the mapped file fails to initialize, yet it doesn’t return a Result. If a file creation or mapping error occurs, it could cause a panic or leave the IndexFile in an invalid state.
Would you like a follow-up script to search for potential call sites or error handling around DefaultMappedFile::new elsewhere in the codebase, to confirm that error handling is consistently applied?
99-100: Getter function looks good.
The get_file_name method is concise, properly inlined, and returns a stable reference. No issues found.
104-105: Straightforward getter method.
The get_file_size method is clear and concise.
114-115: Graceful shutdown method.
Calling flush() within shutdown() is a sensible approach, but the code does not handle possible flush errors or concurrency concerns if multiple threads invoke shutdown.
Would you like a script to locate all calls of shutdown() to see if concurrency protection is in place?
133-134: Simple capacity check.
is_write_full correctly compares the current index count to the configured max.
138-139: Delegated destruction.
destroy simply defers to mapped_file.destroy(...). This is acceptable as long as the mapped file’s logic handles concurrency or pending I/O.
Line range hint 222-231: Integer overflow corner case.
When key_hash equals i32::MIN, abs() remains negative in most languages. Returning 0 is fine; just be aware that i32::MIN always becomes 0 with this approach.
233-234: Getter method is straightforward.
get_begin_timestamp is properly inlined and succinct.
238-239: Getter method is straightforward.
get_end_timestamp is properly inlined and succinct.
243-244: Getter method is straightforward.
get_end_phy_offset is clear.
Line range hint 248-255: Time matching logic.
This condition checks whether the given [begin, end] interval overlaps with the file’s [begin_timestamp, end_timestamp]. Overall, it seems correct.
Line range hint 257-298: Potential performance refinements & error handling.
- Repeatedly slicing from the buffer may be less efficient than reading once into local variables.
- Unwrap usage for
get_data()can panic if retrieval fails. - Consider concurrency: ensure restricted access to
select_phy_offsetif other threads can modify the file simultaneously.
Would you like a code snippet illustrating a buffer read in a single pass and a script to check for concurrent writes in the rest of the codebase?
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #1958 +/- ##
=======================================
Coverage 28.32% 28.32%
=======================================
Files 486 486
Lines 68355 68355
=======================================
Hits 19363 19363
Misses 48992 48992 ☔ View full report in Codecov by Sentry. |
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Which Issue(s) This PR Fixes(Closes)
Add #[inline] for IndexFile methods
Fixes #1956
Summary by CodeRabbit