Commit graph

17 commits

Author SHA1 Message Date
165a600624 [#2210] pilorama: Reduce the amount of keys per node
Under high load we are limited by the _amount_ of keys we need to update
in a single transaction. In this commit we try storing all state
with a single key.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-01-25 15:31:47 +03:00
b4e90cdf51 [#2165] pilorama: Optimize TreeApply when used for synchronization
Because synchronization _most likely_ will have apply already existing
operations, it is much faster to check their presence in a read
transaction. However, always doing this will degrade the perfomance
for normal `Apply`. And, let's be honest, it is already not good.
Thus we add a separate parameter which specifies whether this logic is
enabled.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2022-12-30 11:07:35 +03:00
Pavel Karpy
923f84722a Move to frostfs-node
Signed-off-by: Pavel Karpy <p.karpy@yadro.com>
2022-12-28 15:04:29 +03:00
9a20498f34 [#1940] Removing all trees by container ID if tree ID is empty in pilorama.Forest.TreeDrop
Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>
2022-11-19 11:01:04 +03:00
Evgenii Stratonikov
d8d3588e1b [#1996] engine: Always select proper shard for a tree
Currently there is a possibility for modifying operations to fail
because of I/O errors and a new tree to be created on another shard.
This commit adds existence check for modifying operations.
Read operations remain as they are, not to slow things.
`TreeDrop` is an exception, because this is a tree removal and trying
multiple shards is not an unwanted behaviour.

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>
2022-11-03 15:29:23 +03:00
Pavel Karpy
24e9e3f3bf [#1902] engine, shard: Implement TreeList method
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2022-10-20 16:17:57 +03:00
Pavel Karpy
19850ef157 [#1902] pilorama: Add TreeList method
To both `bolt` and `memory` forests; extend `Forest` interface.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2022-10-20 16:17:57 +03:00
Evgenii Stratonikov
a2bb3a2a96 [#1630] pilorama: Support dropping trees
Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>
2022-09-12 09:54:15 +03:00
Evgenii Stratonikov
3df62769c0 [#1559] local_object_storage: Allow to set mode for all components
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 17:56:06 +03:00
Evgenii Stratonikov
1e786233bf [#1559] local_object_storage: Provide readOnly flag to Open
We should be able to reopen storage in readonly in runtime.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 17:56:06 +03:00
Evgenii Stratonikov
4437cd7113 [#1442] pilorama: Generate timestamp based on node position in the container
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 15:08:24 +03:00
Evgenii Stratonikov
f0a67f948d [#1431] pilorama: Cache attributes in the index
Currently to find a node by path we iterate over all the children on
each level. This is far from optimal and scales badly with the number of
nodes on a single level. Thus we introduce "indexed attributes" for
which an additional information is stored and which can be use in
`*ByPath` operations. Currently this set only includes `FileName`
attribute but this may change in future.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 15:08:24 +03:00
Evgenii Stratonikov
536857ea5a [#1329] services/tree: Implement GetOpLog RPC
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 15:08:24 +03:00
Evgenii Stratonikov
7703dd5d7f [#1419] pilorama: Create new nodes in path if needed
Consider a node `{FileName: "dir", Attribute: "xxx"}`. In case we add
a new node by path `["dir", "file.txt"]`, create a new intermediate node
with a single attribute.

`GetByPath` now also considers only nodes with a single attribute while building a path.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 15:08:24 +03:00
Evgenii Stratonikov
ad48918a97 [#1406] pilorama: Return parent from TreeGetMeta
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 15:08:24 +03:00
Evgenii Stratonikov
aea855e8f3 [#1326] services/tree: Implement GetSubTree RPC
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 15:08:24 +03:00
Evgenii Stratonikov
8cf71b7f1c [#1324] local_object_storage: Implement tree service backend
In this commit we implement algorithm for CRDT trees from
https://martin.klepmann.com/papers/move-op.pdf

Each tree is identified by the ID of a container it belongs to
and the tree name itself. Essentially, it is a sequence of operations
which should be applied in chronological order to get a usual tree
representation.

There are 2 backends for now: bbolt database and in-memory.
In-memory backend is here for debugging and will eventually act
as a memory-cache for the on-disk database.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-07-21 15:08:24 +03:00