ctubbsii commented on code in PR #5616:
URL: https://github.com/apache/accumulo/pull/5616#discussion_r2277942942
##########
core/src/main/java/org/apache/accumulo/core/spi/metrics/LoggingMeterRegistryFactory.java:
##########
@@ -49,6 +54,21 @@
* <pre>
* general.custom.metrics.opts.logging.step = 10s
* </pre>
+ *
+ * To filter out meters that start with any particular prefix, set
+ * {@code general.custom.metrics.opts.meter.id.filters} in the Accumulo
configuration.
+ *
+ * <pre>
+ * general.custom.metrics.opts.meter.id.filters = prefix1,prefix2,prefix3
+ *
+ * </pre>
+ *
+ * To assign a custom delimiter to filters, set
+ * {@code general.custom.metrics.opts.meter.id.delimiter} in the Accumulo
configuration.
Review Comment:
Instead of making the delimiter configurable, a different way of doing this,
one that is more consistent with how we have set other properties, would be to
support something like:
```
general.custom.metrics.loggingfactory.filter.exclude.1=prefix1
general.custom.metrics.loggingfactory.filter.exclude.2=prefix2
general.custom.metrics.loggingfactory.filter..exclude.3=prefix3
```
That way you don't have to worry about a delimiter at all.
Alternatively, make it a single regex filter:
```
general.custom.metrics.loggingfactory.filter.deny.regex=^(prefix1|prefix2|prefix3).*$
```
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