[Tech Preview] Hashstore backend for storage nodes

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The plan is starting with using hashstore for new writes (WriteToNew). Active migration will be started later.

Rollout is driven by Satellite (during the checkins). Current config:

Write new data to hashstore:

SLC - 5%
AP1 - 0%
EU1 - 0%
US1 - 0%

Active migration:
ALL - 0%

It likely doesn’t make any difference, as 37% of the nodes are already on hashstore (manual setting from the node operators)

You can monitor your current status with checking the .migrate file.

For example (WriteToNew is the important part):

cat config/storage/hashstore/meta/12EayRS2V1kEsWESU9QMRseFhdxYxKicsiFmxrsLZHeLUtdps3S.migrate

{
  "PassiveMigrate": false,
  "WriteToNew": true,
  "ReadNewFirst": true,
  "TTLToNew": true
}

For active migration, check the migrate_chore file

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