Github user arunmahadevan commented on a diff in the pull request:
https://github.com/apache/storm/pull/939#discussion_r48323078
--- Diff: storm-core/src/jvm/backtype/storm/Config.java ---
@@ -1491,6 +1491,29 @@
public static final String TOPOLOGY_COMPONENT_CPU_PCORE_PERCENT =
"topology.component.cpu.pcore.percent";
/**
+ * The class name of the {@link backtype.storm.state.StateProvider}
implementation. If not specified
+ * defaults to {@link
backtype.storm.state.InMemoryKeyValueStateProvider}. This can be overridden
+ * at the component level.
+ */
+ @isString
+ public static final String TOPOLOGY_STATE_PROVIDER =
"topology.state.provider";
+
+ /**
+ * The configuration specific to the {@link
backtype.storm.state.StateProvider} implementation.
+ * This can be overridden at the component level.
+ */
+ @isString
+ public static final String TOPOLOGY_STATE_PROVIDER_CONFIG =
"topology.state.provider.config";
--- End diff --
For now we expect the actual config string (for redis, its a json string
with the host, port etc). it could be a file name as well, if the state
provider implementation desires so.
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