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Diffstat (limited to 'doc/book/operations/layout.md')
| -rw-r--r-- | doc/book/operations/layout.md | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/doc/book/operations/layout.md b/doc/book/operations/layout.md index ee05aba1..cf1372b0 100644 --- a/doc/book/operations/layout.md +++ b/doc/book/operations/layout.md @@ -13,7 +13,7 @@ In Garage, all of the data that can be stored in a given cluster is divided into slices which we call *partitions*. Each partition is stored by one or several nodes in the cluster (see [`replication_mode`](@/documentation/reference-manual/configuration.md#replication_mode)). -The layout determines the correspondence between these partition, +The layout determines the correspondence between these partitions, which exist on a logical level, and actual storage nodes. ## How cluster layouts work in Garage @@ -94,10 +94,10 @@ follow the following recommendations: ## Understanding unexpected layout calculations When adding, removing or modifying nodes in a cluster layout, sometimes -unexpected assigntations of partitions to node can occur. These assignations -are in fact normal and logical, given the objectives of the algorihtm. Indeed, -**the layout algorithm prioritizes moving less data between nodes over the fact -of achieving equal distribution of load. It also tries to use all links between +unexpected assignations of partitions to node can occur. These assignations +are in fact normal and logical, given the objectives of the algorithm. Indeed, +**the layout algorithm prioritizes moving less data between nodes over +achieving equal distribution of load. It also tries to use all links between pairs of nodes in equal proportions when moving data.** This section presents two examples and illustrates how one can control Garage's behavior to obtain the desired results. @@ -270,5 +270,5 @@ that is moved to node1). This illustrates the second principle of the layout computation: **if there is a choice in moving data out of some nodes, then all links between pairs of nodes are used in equal proportions** (this is approximately true, there is -randomness in the algorihtm to achieve this so there might be some small +randomness in the algorithm to achieve this so there might be some small fluctuations, as we see above). |