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Grammar regarding least and fewest 

Signed-off-by: Mark Oates fl0yd@me.com
Signed-off-by: Mark Oates <fl0yd@me.com>
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fl0yd 2015-07-10 15:28:17 -05:00 committed by Mark Oates
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17
scheduler/strategy/README.md
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@ -26,10 +26,9 @@ intended for debugging.
Your goal in choosing a strategy is to best optimize your swarm according to
your company's needs.
Under the `spread` strategy, Swarm optimizes for the node with the least number
of running containers. The `binpack` strategy causes Swarm to optimize for the
node which is most packed. The `random` strategy, like it sounds, chooses
nodes at random regardless of their available CPU or RAM.
Under the `spread` strategy, Swarm optimizes for the node with the fewest running containers.
The `binpack` strategy causes Swarm to optimize for the node which is most packed.
The `random` strategy, like it sounds, chooses nodes at random regardless of their available CPU or RAM.
Using the `spread` strategy results in containers spread thinly over many
machines. The advantage of this strategy is that if a node goes down you only
@ -73,9 +72,9 @@ CONTAINER ID IMAGE COMMAND CREATED
f8b693db9cd6 mysql:latest "mysqld" Up About a minute running 192.168.0.42:49178->3306/tcp node-1 db
```
The container `frontend` was started on `node-2` because it was the node the
least loaded already. If two nodes have the same amount of available RAM and
CPUs, the `spread` strategy prefers the node with least containers running.
The container `frontend` was started on `node-2` because it was the node with the
fewest running containers. If two nodes have the same amount of available RAM and
CPUs, the `spread` strategy prefers the node with the fewest containers running.
## BinPack strategy example
@ -105,11 +104,11 @@ f8b693db9cd6 mysql:latest "mysqld" Up About a minute
```
The system starts the new `frontend` container on `node-1` because it was the
node the most packed already. This allows us to start a container requiring 2G
node with the most running containers. This allows us to start a container requiring 2G
of RAM on `node-2`.
If two nodes have the same amount of available RAM and CPUs, the `binpack`
strategy prefers the node with most containers running.
strategy prefers the node with the most running containers.
## Docker Swarm documentation index