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document lotus-shed splitstore utiilities in the README

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vyzo 2021-07-26 08:52:32 +03:00
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blockstore/splitstore/README.md
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@ -99,3 +99,17 @@ Compaction works transactionally with the following algorithm:
## Garbage Collection
TBD -- see [#6577](https://github.com/filecoin-project/lotus/issues/6577)
## Utilities
`lotus-shed` has a `splitstore` command which provides some utilities:
- `rollback` -- rolls back a splitstore installation.
This command copies the hotstore on top of the coldstore, and then deletes the splitstore
directory and associated metadata keys.
It can also optionally compact/gc the coldstore after the copy (with the `--gc-coldstore` flag)
and automatically rewrite the lotus config to disable splitstore (with the `--rewrite-config` flag).
Note: the node *must be stopped* before running this command.
- `check` -- asynchronously runs a basic healthcheck on the splitstore.
The results are appended to `<lotus-repo>/datastore/splitstore/check.txt`.
- `info` -- prints some basic information about the splitstore.