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Chris LuandGitHub
08f0ba5564
VolumeLocationList.Stats subtracts the deleted figures from the totals to report live size and needle count. Both deleted figures are maintained as counters independent of the totals they come off, so either can transiently exceed its total, and neither subtraction was clamped. Unclamped, the size wraps to ~16 EB. The count is signed so it merely goes negative, but VolumeLayout.Stats converts it with uint64(fileCount), which turns it into ~1.8e19 just the same. Either one swamps the cluster totals behind /dir/status, /vol/status and Topology.CollectionVolumeStats. commandFsMergeVolumes.getVolumeSize had the same unclamped subtraction, where a wrapped size reads as a volume far too large to join any merge plan. Clamped to zero, matching the guards already in CollectionInfo.LogicalSize and the admin server's logical-size accumulator.