fix(mem_wal): support wal flush interval on durable writes#7791

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hamersaw wants to merge 20 commits into

lance-format:mainfrom

hamersaw:feat/wal-poison-read-visibility

Commits on Jul 15, 2026

perf(mem_wal): index small batches inline instead of one thread per index

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claude
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fix(mem_wal): fail reads on a poisoned writer

hamersaw
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claude
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fix(mem_wal): mark replayed batches durable so the next flush does not re-append

hamersaw
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claude
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fix(mem_wal): reject index configs that disagree with the schema at shard open

hamersaw
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claude
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refactor(mem_wal): delete dead WAL-tracking state from MemTable

hamersaw
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claude
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fix(mem_wal): make the WAL durability cursor writer-global

hamersaw
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claude
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fix(mem_wal): make the visibility cursor an exclusive count

hamersaw
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claude
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fix(mem_wal): publish rows only once they are indexed and durable

hamersaw
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claude
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feat(mem_wal): run the index apply on its own task, not as an arm of the WAL flush

hamersaw
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claude
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feat(mem_wal): append the WAL on a background ticker, resolved by cursor

hamersaw
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claude
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fix(mem_wal): rotate memtables during replay instead of overflowing

hamersaw
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claude
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fix(mem_wal): update Python/Java stats bindings for the writer-global cursor

hamersaw
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claude
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refactor(mem_wal): remove the inert sync_indexed_write config family

hamersaw
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claude
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docs(mem_wal): drop private intra-doc link in insert_batches

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claude
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fix(mem_wal): validate single-column PKs and restore index-apply stats

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claude
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docs(mem_wal): drop private intra-doc link in WalFlushResult

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Commits on Jul 16, 2026

fix(mem_wal): keep the latched failure across a poisoned terminal_error lock

hamersaw
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fix(mem_wal): support wal flush interval on durable writes#7791

fix(mem_wal): support wal flush interval on durable writes#7791
hamersaw wants to merge 20 commits into
lance-format:mainfrom
hamersaw:feat/wal-poison-read-visibility

Commits on Jul 15, 2026

perf(mem_wal): index small batches inline instead of one thread per index

fix(mem_wal): fail reads on a poisoned writer

fix(mem_wal): mark replayed batches durable so the next flush does not re-append

fix(mem_wal): reject index configs that disagree with the schema at shard open

refactor(mem_wal): delete dead WAL-tracking state from MemTable

fix(mem_wal): make the WAL durability cursor writer-global

fix(mem_wal): make the visibility cursor an exclusive count

fix(mem_wal): publish rows only once they are indexed and durable

feat(mem_wal): run the index apply on its own task, not as an arm of the WAL flush

feat(mem_wal): append the WAL on a background ticker, resolved by cursor

fix(mem_wal): rotate memtables during replay instead of overflowing

fix(mem_wal): update Python/Java stats bindings for the writer-global cursor

refactor(mem_wal): remove the inert sync_indexed_write config family

docs(mem_wal): drop private intra-doc link in insert_batches

fix(mem_wal): validate single-column PKs and restore index-apply stats

docs(mem_wal): drop private intra-doc link in WalFlushResult

Commits on Jul 16, 2026

fix(mem_wal): keep the latched failure across a poisoned terminal_error lock

Commits on Jul 17, 2026

fix(mem_wal): harden shard-open validation and freeze failure handling

Merge upstream/main into feat/wal-poison-read-visibility

fix(mem_wal): reject a batch position past committed_len instead of skipping it