Drop BoltDB from write cache #3076
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enhancement
Improving existing functionality
I4
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neofs-storage
Storage node application issues
performance
More of something per second
S3
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roman-khimov
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This was referenced Dec 28, 2024
End-rey
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Previously, the write-cache has 2 components: bolt database and fstree. BoltDB is absolutely useless for write caching given that the cache uses SSD, so it was decided to drop this database. Drop all code related to BoltDB. Migrate from this database to the main storage, by flushing objects. Remove config parameters for the write-cache: `small_object_size`, `workers_number`, `max_batch_delay`, `max_batch_size`. Update docs. Rewrite lens commands for the current version of the write-cache. Closes #3076. Signed-off-by: Andrey Butusov <[email protected]>
End-rey
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Jan 28, 2025
Previously, the write-cache has 2 components: bolt database and fstree. BoltDB is absolutely useless for write caching given that the cache uses SSD, so it was decided to drop this database. Drop all code related to BoltDB. Migrate from this database to the main storage, by flushing objects. Remove config parameters for the write-cache: `small_object_size`, `workers_number`, `max_batch_delay`, `max_batch_size`. Update docs. Rewrite lens commands for the current version of the write-cache. Closes #3076. Signed-off-by: Andrey Butusov <[email protected]>
End-rey
added a commit
that referenced
this issue
Jan 28, 2025
Previously, the write-cache has 2 components: bolt database and fstree. BoltDB is absolutely useless for write caching given that the cache uses SSD, so it was decided to drop this database. Drop all code related to BoltDB. Migrate from this database to the main storage, by flushing objects. Remove config parameters for the write-cache: `small_object_size`, `workers_number`, `max_batch_delay`, `max_batch_size`. Update docs. Rewrite lens commands for the current version of the write-cache. Closes #3076. Signed-off-by: Andrey Butusov <[email protected]>
roman-khimov
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Jan 30, 2025
End-rey
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Jan 31, 2025
Refs #3076. Signed-off-by: Andrey Butusov <[email protected]>
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Is your feature request related to a problem? Please describe.
I'm always frustrated when we have something we don't need. BoltDB is absolutely useless for write caching given that the cache uses SSD (see #2337 (comment) also).
Describe the solution you'd like
Drop it from the structure completely. Provide migration, flush all objects from it to the storage and then forever drop the DB, don't use it for object storage.
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