David Grieve comments

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                                            David Grieve

G1GC Archive regions

Thanks, @kkdlau, for your contribution and for you patience with us!

G1GC Concurrent Cleanup event

We believe these should be coming through. Please attach a log so we can debug.

Closing a JFR recording may throw an Exception

PR #1412

Active and Total workers count for Concurrent and Full G1 GCs

See comment on #377 This isn't information we were tracking, but can be added. This is a good first issue for a contributor.

Issue #359: fix NPE when parsing gc log file without any events

I don't think your second block of code does the same thing. You want to find a provider that can read the log file's format (unified or preunified) AND is...

Issue #359: fix NPE when parsing gc log file without any events

> IMO, I am down to throw a unified exception and provide different exception message. But this exception might be named as "ServiceConfigurationError". Semantically, this new exception is not related...

Issue #359: fix NPE when parsing gc log file without any events

Having given this some more thought.... There are two cases here: 1. a valid GC log with no time stamps 2. a file that just isn't a GC log In...

Getters for string&symbol table

See comment on #377

ZGC missing data

@AlinaHovakimyan - all of this is quite possible. We didn't exhaustively capture all data. Mostly we're looking at the data that helps tune gc behavior and some of these (like...

Exception when using RotatingGCLogFile

There is an inconsistency between DATE_TAG and UPTIME_TAG in that UPTIME_TAG captures the date between the square brackets and DATE_TAG does not. This should be made consistent. IMHO, UPTIME_TAG is...