Also:
>From
$/distributed/src/test/java/com/orientechnologies/orient/server/distributed/TestSharding.java
final String nodeName =
serverInstance.get(i).getServerInstance().getDistributedManager().getLocalNodeName();
OrientGraphFactory factory = new
OrientGraphFactory("plocal:target/server" + i + "/databases/" +
getDatabaseName()); // NOTE: plocal:target/server
graph = factory.getNoTx();
try {
vertices[i] = graph.addVertex("class:Client");
final int clId = vertices[i].getIdentity().getClusterId();
...
What is "target" here? Is it a keyword used to abstract to a load balanced
or shared host resolution strategy? I've looked through the documentation
and haven't seen it anywhere but the tests. Is it a way of not specifying
a host, and letting the client layer handle resolution for clustering? If
so, is there any documentation on this?
On Friday, January 9, 2015 at 11:32:35 AM UTC-8, Julian Klappenbach wrote:
>
> I've been reading the documentation, and attempting to put together a PoC
> based on the technology. We have a graph with about 50M records, with only
> a few basic relationships between nodes (no walks more than two nodes in
> length).
>
> After attempting to execute "select * from X limit 100", the system chewed
> up all available memory (I had 8GB allocated), and then later crashed. The
> console recovered a connection (kudos for that), but it's clear that we're
> going to need more in-depth configuration information, or to cluster the
> data, splitting a class type over multiple hosts.
>
> I'm having a hard time locating documentation or examples on how to best
> cluster. I've been looking at the unit tests, but those appear to be
> designed within the constraint of a single machine.
>
> Is there an example application / tutorial that demonstrates:
>
> 1. How to set up clustering on each server
> 2. How to configure clients to observe clustering, routing queries to the
> appropriate host
>
> (1) Appears to be provided in the existing documentation. I just have yet
> to work through it. (2) is a question mark. If there is sufficient
> documentation for this, and I've just missed it, I'd appreciate the links
> to relevant pages. But, it would be nice to find one single tutorial that
> provided step-by-step guidance in setting up multiple hosts, and
> demonstrating how queries are routed.
>
> Thanks in advance!
>
> -jjk
>
>
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