Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/2113#discussion_r120458603
--- Diff:
storm-server/src/main/java/org/apache/storm/localizer/AsyncLocalizer.java ---
@@ -144,8 +148,19 @@ public Void call() throws Exception {
File tr = new File(tmproot);
try {
downloadBaseBlobs(tr);
+ if (_assignment.is_set_total_node_shared()) {
+ File sharedMemoryDirTmpLocation = new File(tr,
"shared_by_topology");
+ //We need to create a directory for shared memory
to write to (we should not encourage this though)
+ Path path = sharedMemoryDirTmpLocation.toPath();
+ Files.createDirectories(path);
+ }
_fsOps.moveDirectoryPreferAtomic(tr, _stormRoot);
-
_fsOps.setupStormCodeDir(ConfigUtils.readSupervisorStormConf(_conf,
_topologyId), _stormRoot);
+ Map<String, Object> topoConf =
ConfigUtils.readSupervisorStormConf(_conf, _topologyId);
+ _fsOps.setupStormCodeDir(topoConf, _stormRoot);
+ if (_assignment.is_has_node_shared_memory()) {
+ File sharedMemoryDir = new File(_stormRoot,
"shared_by_topology");
--- End diff --
I might have missed it somewhere, but how does the topology code access the
off heap shared memory?
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