Details
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Improvement
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Status: Closed
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Major - P3
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Resolution: Fixed
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None
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None
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Fully Compatible
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Execution Team 2020-10-05
Description
There is a need to calculate the amount of occupied disk space a database is consuming. This can be useful when calculating whether a database could be physically moved to a smaller disk size. Currently, only the on-disk file size is reported by dbstats, but this includes unoccupied blocks in files.
To calculate this for WiredTiger, we can use block_reuse_bytes statistic per file, versus block_size.
Attachments
Issue Links
- causes
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SERVER-62277 Performance regression from dbstats due to occupied disk space calculation
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- Closed
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- is documented by
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DOCS-13901 Investigate changes in SERVER-50756: add occupied disk size to dbstats
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- Closed
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- is related to
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SERVER-42037 Expose WiredTiger block-manager stats with scale support
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- Closed
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