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Pull requests: scylladb/python-driver

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Pull requests list

perf: add Cython metadata parser using BytesIOReader (100's-1000's of ns improvements, x1.5-4 speedup)
#814 opened Apr 10, 2026 by mykaul • Draft
1
perf: optimize Tablet memory layout and per-query lookup speed
#812 opened Apr 9, 2026 by mykaul • Draft
fix(deps): update dependency gevent to v26
#811 opened Apr 8, 2026 by renovate bot Loading…
1 task
chore(deps): update actions/cache action to v5
#810 opened Apr 8, 2026 by renovate bot Loading…
1 task
perf: add Cython LZ4 wrapper with direct C linkage for CQL v4 compression (hundreds of ns saving, x1.5-2.5 speedup)
#809 opened Apr 8, 2026 by mykaul • Draft
perf: Skip redundant __init__ assignments and remove dead attributes in ResponseFuture (-32ns/call - 4.7% improvement for the common case, +43ns (+4.5%) for the non-common case, - code cleanup also)
#806 opened Apr 7, 2026 by mykaul • Draft
1
perf: result path memory allocation optimizations (mostly memory savings, 10's of ns improvements)
#805 opened Apr 7, 2026 by mykaul • Draft
2
fix(deps): update dependency gremlinpython to v3.8.1
#804 opened Apr 7, 2026 by renovate bot Loading…
1 task
(improvement) Skip tuple(partial(...)) construction for empty callbacks/errbacks (190ns saving per call - 63%)
#803 opened Apr 6, 2026 by mykaul • Draft
1
(improvement) Add __slots__ to _Frame to eliminate per-instance __dict__ (30-40ns saving, 264 bytes saved per call)
#802 opened Apr 6, 2026 by mykaul • Draft
1
(improvement) Eliminate extra BytesIO allocation in encode_message compression path (80-300ns savings, 17-32%)
#800 opened Apr 6, 2026 by mykaul • Draft
2
(improvement) Optimize _key_parts_packed routing key computation (100-300ns savings - 27-33% savings)
#799 opened Apr 6, 2026 by mykaul • Draft
1
perf: optimize time-series write/read hot paths (10's to 100's of ns savings, 2-13x better)
#798 opened Apr 5, 2026 by mykaul • Draft
2
perf: optimize was_applied fast path for known LWT statements (~1.5us, 1.1x speedup)
#797 opened Apr 5, 2026 by mykaul • Draft
perf: replace RLock with Lock where re-entrant locking is not needed (~11ns saving, -14%)
#796 opened Apr 5, 2026 by mykaul • Draft
2
perf: lazy-init _callbacks/_errbacks in ResponseFuture (25ns saving, 2x speedup, 112 bytes saved)
#795 opened Apr 5, 2026 by mykaul • Draft
perf: cache apply_parameters to avoid repeated type() class creation (~5us saving - 30x speedup per call)
#794 opened Apr 5, 2026 by mykaul • Draft
feat: NumPy-accelerated vector serialization in VectorType (hugs improvements in some use cases)
#793 opened Apr 5, 2026 by mykaul • Draft
1
perf: buffer accumulation in BatchMessage.send_body() (2x speedup, us improvement, depends on PR #790)
#791 opened Apr 4, 2026 by mykaul • Draft
perf: buffer accumulation in _write_query_params() reduces f.write() calls (~100ns improvement, 1.1-1.3x speedup)
#790 opened Apr 4, 2026 by mykaul • Draft
1
Add TLS session resumption via SSLSessionCache
#789 opened Apr 3, 2026 by sylwiaszunejko Collaborator Loading…
6 of 8 tasks
@sylwiaszunejko
7
perf: replace BytesIO with b"".join() in collection serialization (us improvement, x1.25-2.65 speedup)
#787 opened Apr 3, 2026 by mykaul • Draft
perf: replace functools.partial with closure in _query callback (100-200ns improvement - 1.3-1.6x speedup)
#786 opened Apr 3, 2026 by mykaul • Draft
4 tasks done
perf: avoid unnecessary dict allocation in execute_async custom_payload (ns savings, 1.2-3x speedup)
#785 opened Apr 3, 2026 by mykaul • Draft
4 tasks done
Fix SimpleStatement.is_lwt(): detect LWT from CQL query string
#784 opened Apr 1, 2026 by mykaul • Draft
7
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