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btrfs autodefrag mention (#2554)

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Alex Sharov 2021-08-19 15:29:28 +07:00 committed by GitHub
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@ -342,3 +342,8 @@ multiple genesis syncs on same Disk. If genesis sync passed, then it's fine to r
Please read https://github.com/ledgerwatch/erigon/issues/1516#issuecomment-811958891 Please read https://github.com/ledgerwatch/erigon/issues/1516#issuecomment-811958891
In short: network-disks are bad for blocks execution - because blocks execution reading data from db non-parallel In short: network-disks are bad for blocks execution - because blocks execution reading data from db non-parallel
non-batched way. non-batched way.
### Filesystem's background features are expensive
For example: btrfs's autodefrag option - may increase write IO 100x times