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update README

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Adds note about 3k IOPs requirement with badger markset, updates the memory requirement for
map to 48G based on observed behaviour of test nodes.
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vyzo 2022-02-08 10:10:51 +02:00
parent 966071d437
commit 8ddf4766ea
1 changed files with 3 additions and 1 deletions
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blockstore/splitstore/README.md
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@ -50,8 +50,10 @@ These are options in the `[Chainstore.Splitstore]` section of the configuration:
- `MarkSetType` -- specifies the type of markset to use during compaction.
The markset is the data structure used by compaction/gc to track live objects.
The default value is "badger", which will use a disk backed markset using badger.
If you have a lot of memory (40G or more) you can also use "map", which will use
If you have a lot of memory (48G or more) you can also use "map", which will use
an in memory markset, speeding up compaction at the cost of higher memory usage.
Note: If you are using a VPS with a network volume, you need to provision at least
3000 IOPs with the badger markset.
- `HotStoreMessageRetention` -- specifies how many finalities, beyond the 4
finalities maintained by default, to maintain messages and message receipts in the
hotstore. This is useful for assistive nodes that want to support syncing for other