update README for map as the default
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@ -49,10 +49,9 @@ These are options in the `[Chainstore.Splitstore]` section of the configuration:
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blockstore and discards writes; this is necessary to support syncing from a snapshot.
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- `MarkSetType` -- specifies the type of markset to use during compaction.
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The markset is the data structure used by compaction/gc to track live objects.
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The default value is `"map"`, which will use an in-memory map; if you are limited
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in memory (or indeed see compaction run out of memory), you can also specify
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`"badger"` which will use an disk backed markset, using badger. This will use
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much less memory, but will also make compaction slower.
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The default value is "badger", which will use a disk backed markset using badger.
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If you have a lot of memory (40G or more) you can also use "map", which will use
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an in memory markset, speeding up compaction at the cost of higher memory usage.
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- `HotStoreMessageRetention` -- specifies how many finalities, beyond the 4
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finalities maintained by default, to maintain messages and message receipts in the
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hotstore. This is useful for assistive nodes that want to support syncing for other
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