Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5236#discussion_r27792404
--- Diff:
network/common/src/main/java/org/apache/spark/network/util/JavaUtils.java ---
@@ -121,4 +123,69 @@ private static boolean isSymlink(File file) throws
IOException {
}
return
!fileInCanonicalDir.getCanonicalFile().equals(fileInCanonicalDir.getAbsoluteFile());
}
+
+ private static ImmutableMap<String, TimeUnit> timeSuffixes =
+ ImmutableMap.<String, TimeUnit>builder()
+ .put("us", TimeUnit.MICROSECONDS)
+ .put("ms", TimeUnit.MILLISECONDS)
+ .put("s", TimeUnit.SECONDS)
+ .put("min", TimeUnit.MINUTES)
+ .put("h", TimeUnit.HOURS)
+ .put("d", TimeUnit.DAYS)
+ .build();
+
+ /**
+ * Convert a passed time string (e.g. 50s, 100ms, or 250us) to a time
count for
+ * internal use. If no suffix is provided a direct conversion is
attempted.
+ */
+ private static long parseTimeString(String str, TimeUnit unit) throws
NumberFormatException {
+ String timeError = "Time must be specified as seconds (s), " +
+ "milliseconds (ms), microseconds (us), minutes (min) hour (h), or
day(d). " +
+ "E.g. 50s, 100ms, or 250us.";
+ String lower = str.toLowerCase().trim();
+
+ try {
+ String suffix = "";
+ for (String tail: timeSuffixes.keySet()) {
+ if (lower.endsWith(tail)) {
+ // Handle special case for overlapping suffixes
+ if (!tail.equals("s") ||
--- End diff --
This is very unlikely to change, but I wonder if it's less brittle to check
`endsWith` and that the preceding character exists and is a digit? instead of
managing the overlap.
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