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## `MAX_HOURS_SEGMENT_OPEN`

Option | `MAX_HOURS_SEGMENT_OPEN`
Description | The maximum number of hours a merge target will remain open for writing before being closed.
Default | `24 hours`
Maximum | `24,000 hours`

Controls when forcibly switches merge targets due to the old target having been open for too long. A larger timespan reduces the amount of metadata in global for events, with the tradeoff being that while larger merged segments take up less space in global, the files are larger, so segment movement between nodes or from bucket storage may end up moving more data than it otherwise would.

See `BLOCKS_PER_SEGMENT` for an example of this variable and more information.

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