Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/13858#discussion_r68716518
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskLocation.scala
---
@@ -64,18 +64,21 @@ private[spark] object TaskLocation {
/**
* Create a TaskLocation from a string returned by getPreferredLocations.
- * These strings have the form [hostname] or hdfs_cache_[hostname],
depending on whether the
- * location is cached.
+ * These strings have the form executor_[hostname]_[executorid],
[hostname], or
+ * hdfs_cache_[hostname], depending on whether the location is cached.
*/
def apply(str: String): TaskLocation = {
val hstr = str.stripPrefix(inMemoryLocationTag)
if (hstr.equals(str)) {
if (str.startsWith(executorLocationTag)) {
- val splits = str.split("_")
- if (splits.length != 3) {
+ val hostAndExecutorId = str.stripPrefix(executorLocationTag)
+ val splits = hostAndExecutorId.split("_", 2)
+ if (splits.length != 2) {
--- End diff --
Not important, but you could just use `require` here.
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