Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2517#discussion_r80239440
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/MetricRegistry.java
---
@@ -72,14 +74,12 @@ public MetricRegistry(Configuration config) {
}
this.scopeFormats = scopeFormats;
- char delim;
- try {
- delim =
config.getString(ConfigConstants.METRICS_SCOPE_DELIMITER, ".").charAt(0);
- } catch (Exception e) {
- LOG.warn("Failed to parse delimiter, using default
delimiter.", e);
- delim = '.';
+ String defaultDelimiter =
config.getString(ConfigConstants.METRICS_SCOPE_DELIMITER, ".");
+ if(defaultDelimiter.length()!=1){
--- End diff --
these changes are unnecessary, renaming ```delimiter``` to
```globalDelimiter``` should be sufficient.
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