http2: track memory allocated by nghttp2 #21374
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Woo! |
jasnell
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Might want to change the hpack headers part, as it is no longer visible in code?
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Provide a custom memory allocator for nghttp2, and track memory allocated by the library with it. This makes the used-memory-per-session estimate more accurate, and allows us to track memory leaks either in nghttp2 itself or, more likely, through faulty usage on our end. It also allows us to make the per-session memory limit more accurate in the future; currently, we are not handling this in an ideal way, and instead let nghttp2 allocate what it wants, even if that goes over our limit. Refs: nodejs#21373 Refs: nodejs#21336
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Rebased, this should no longer be blocked |
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| if (mem != nullptr) { | ||
| // Adjust the memory info counter. | ||
| session->current_nghttp2_memory_ += size - previous_size; | ||
| *reinterpret_cast<size_t*>(mem) = size; |
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It took me a while to realize how this would behave for a size of 0: our UncheckedRealloc implementation will return nullptr in that case, to fill in an implementation-defined gap in the system realloc(). It might be helpful to clarify that.
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Provide a custom memory allocator for nghttp2, and track memory allocated by the library with it. This makes the used-memory-per-session estimate more accurate, and allows us to track memory leaks either in nghttp2 itself or, more likely, through faulty usage on our end. It also allows us to make the per-session memory limit more accurate in the future; currently, we are not handling this in an ideal way, and instead let nghttp2 allocate what it wants, even if that goes over our limit. PR-URL: #21374 Refs: #21373 Refs: #21336 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
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Provide a custom memory allocator for nghttp2, and track memory allocated by the library with it. This makes the used-memory-per-session estimate more accurate, and allows us to track memory leaks either in nghttp2 itself or, more likely, through faulty usage on our end. It also allows us to make the per-session memory limit more accurate in the future; currently, we are not handling this in an ideal way, and instead let nghttp2 allocate what it wants, even if that goes over our limit. PR-URL: #21374 Refs: #21373 Refs: #21336 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
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Provide a custom memory allocator for nghttp2, and track memory allocated by the library with it. This makes the used-memory-per-session estimate more accurate, and allows us to track memory leaks either in nghttp2 itself or, more likely, through faulty usage on our end. It also allows us to make the per-session memory limit more accurate in the future; currently, we are not handling this in an ideal way, and instead let nghttp2 allocate what it wants, even if that goes over our limit. PR-URL: nodejs#21374 Refs: nodejs#21373 Refs: nodejs#21336 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
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Provide a custom memory allocator for nghttp2, and track memory allocated by the library with it. This makes the used-memory-per-session estimate more accurate, and allows us to track memory leaks either in nghttp2 itself or, more likely, through faulty usage on our end. It also allows us to make the per-session memory limit more accurate in the future; currently, we are not handling this in an ideal way, and instead let nghttp2 allocate what it wants, even if that goes over our limit. PR-URL: nodejs#21374 Refs: nodejs#21373 Refs: nodejs#21336 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
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Provide a custom memory allocator for nghttp2, and track memory allocated by the library with it. This makes the used-memory-per-session estimate more accurate, and allows us to track memory leaks either in nghttp2 itself or, more likely, through faulty usage on our end. It also allows us to make the per-session memory limit more accurate in the future; currently, we are not handling this in an ideal way, and instead let nghttp2 allocate what it wants, even if that goes over our limit. PR-URL: nodejs#21374 Refs: nodejs#21373 Refs: nodejs#21336 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
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Provide a custom memory allocator for nghttp2, and track memory allocated by the library with it. This makes the used-memory-per-session estimate more accurate, and allows us to track memory leaks either in nghttp2 itself or, more likely, through faulty usage on our end. It also allows us to make the per-session memory limit more accurate in the future; currently, we are not handling this in an ideal way, and instead let nghttp2 allocate what it wants, even if that goes over our limit. Backport-PR-URL: #22850 PR-URL: #21374 Refs: #21373 Refs: #21336 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
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Provide a custom memory allocator for nghttp2, and track
memory allocated by the library with it.
This makes the used-memory-per-session estimate more
accurate, and allows us to track memory leaks either
in nghttp2 itself or, more likely, through faulty
usage on our end.
It also allows us to make the per-session memory limit
more accurate in the future; currently, we are not
handling this in an ideal way, and instead let nghttp2
allocate what it wants, even if that goes over our limit.
Refs: #21373
Refs: #21336
[blocked by both of these fixes]
Checklist
make -j4 test(UNIX), orvcbuild test(Windows) passes