fix(tsdb): Defer closing of underlying SeriesIDSetIterators #18203
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This commit changes the SeriesIDSet merge/union/intersect functions to attach the underlying iterators as closers so that files can be retained until the data is no longer in use. The roaring operations can leave containers pointing at mmap data in the resulting bitmap so we have to track underlying file usage until the data is finished with.
dgnorton
approved these changes
May 26, 2020
This was referenced May 26, 2020
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This commit changes the SeriesIDSet merge/union/intersect functions to attach the underlying iterators as closers so that files can be retained until the data is no longer in use. The roaring operations can leave containers pointing at mmap data in the resulting bitmap so we have to track underlying file usage until the data is finished with.