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Entire-Checkpoint: 95a89a7127c5
Entire-Checkpoint: ea34ae75e21a
Entire-Checkpoint: 0fc6e5388e08
…mall channel RotateWALFiles used a non-blocking send (select/default) on rotation channels buffered at 64. With thousands of nodes and few shards, the channel fills instantly and nearly all hosts are skipped, leaving WAL files unrotated indefinitely. Replace with a blocking send using a shared 2-minute deadline so the checkpoint goroutine waits for the staging goroutine to drain the channel instead of immediately giving up. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> Entire-Checkpoint: a1ec897216fa
WAL writes during checkpoint are redundant since the binary snapshot captures all in-memory data. Pausing eliminates channel saturation (1.4M+ dropped messages) caused by disk I/O contention between checkpoint writes and WAL staging. Also removes direct WAL file deletion in checkpoint workers that raced with the staging goroutine. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> Entire-Checkpoint: 34d698f40bac
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Add configuration and document usage in README Entire-Checkpoint: 53425877e242
Entire-Checkpoint: 1a908bd95cfa
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Entire-Checkpoint: 9bb66d18af6d
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