New configuration fields:
```
cluster {
...
pool_size: 5
accounts: ["A", "B"]
}
```
The configuration `pool_size` in the example above means that this
server will create 5 routes to a remote server, assuming that that
server has the same `pool_size` setting.
Accounts (which are not part of the `accounts[]` configuration)
are assigned a specific route in this pool, and this will be the
same route on all servers in the cluster.
Accounts that are defined in the `accounts` field will each have
a dedicated route connection. This will allow suppression of the
account name in some of the route protocols, reducing bytes transmitted
which may increase performance.
Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
Tests that run on Travis have been split into jobs that run in their own VM in parallel. This reduces the overall running time but also is allowing recycling of a job when we get a flapper as opposed to have to recycle the whole test suite.
JetStream Tests
For JetStream tests, we need to observe a naming convention so that no tests are omitted when running on Travis.
The script runTestsOnTravis.sh will run a given job based on the definition found in ".travis.yml".
As for the naming convention:
All JetStream tests name should start with TestJetStream
Cluster tests should go into jetstream_cluster_test.go and start with TestJetStreamCluster
Super-cluster tests should go into jetstream_super_cluster_test.go and start with TestJetStreamSuperCluster
Not following this convention means that some tests may not be executed on Travis.
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