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15 commits

Author SHA1 Message Date
0091002ef2
New replication modes and their documentation
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2022-03-28 16:26:04 +02:00
c94406f428
Improve how node roles are assigned in Garage
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- change the terminology: the network configuration becomes the role
  table, the configuration of a nodes becomes a node's role
- the modification of the role table takes place in two steps: first,
  changes are staged in a CRDT data structure. Then, once the user is
  happy with the changes, they can commit them all at once (or revert
  them).
- update documentation
- fix tests
- implement smarter partition assignation algorithm

This patch breaks the format of the network configuration: when
migrating, the cluster will be in a state where no roles are assigned.
All roles must be re-assigned and commited at once. This migration
should not pose an issue.
2021-11-16 16:05:53 +01:00
ada7899b24
Fix clippy lints (fix #121)
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2021-10-26 10:20:05 +02:00
de4276202a
Improve CLI, adapt tests, update documentation 2021-10-25 14:21:48 +02:00
1b450c4b49
Improvements to CLI and various fixes for netapp version
Discovery via consul, persist peer list to file
2021-10-22 16:55:24 +02:00
4067797d01
First port of Garage to Netapp 2021-10-22 15:55:18 +02:00
b490ebc7f6
Many improvements on ring/replication and its configuration:
- Explicit "replication_mode" configuration parameters that takes
  either "none", "2" or "3" as values, instead of letting user configure
  replication factor themselves. These are presets whose corresponding
  replication/quorum values can be found in replication/mode.rs

- Explicit support for single-node and two-node deployments
  (number of nodes must be at least "replication_mode", with "none"
  we can have only one node)

- Ring is now stored much more compactly with 256*8 + n*32 bytes,
  instead of 256*32 bytes

- Support for gateway-only nodes that do not store data
  (these nodes still need a metadata_directory to store the list
  of bucket and keys since those are stored on all nodes; it also
  technically needs a data_directory to start but it will stay
  empty unless we have bugs)
2021-05-28 14:07:36 +02:00
e4b9e4e24d
rename types to CamelCase
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2021-05-03 22:15:09 +02:00
74373aebcf
make most requested changes 2021-04-27 16:47:08 +02:00
b437610812
attempt at documenting table crate 2021-04-27 16:37:10 +02:00
2a41b82384 Simpler Merkle & sync
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2021-03-16 12:18:03 +01:00
1d9961e411 Simplify replication logic
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2021-03-16 11:14:27 +01:00
3f7a496355 More security: don't delete stuff too easily
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2021-03-11 19:06:27 +01:00
046b649bcc (not well tested) use merkle tree for sync
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2021-03-11 18:28:27 +01:00
94f3d28774 WIP big refactoring
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2021-03-11 16:54:15 +01:00