arturobernalg commented on code in PR #657:
URL:
https://github.com/apache/httpcomponents-core/pull/657#discussion_r3010028569
##########
httpcore5-h2/src/main/java/org/apache/hc/core5/http2/impl/nio/AbstractH2StreamMultiplexer.java:
##########
@@ -782,12 +782,17 @@ private void consumeFrame(final RawFrame frame) throws
HttpException, IOExceptio
if (frameType == null) {
return;
}
+ final long nowNanos = System.nanoTime();
Review Comment:
@ok2c
`nanoTime()` is not better because of finer precision. It is better because
it is monotonic.
`currentTimeMillis()` is wall-clock time since the epoch, while `nanoTime()`
is intended for elapsed-time measurement and uses a monotonic timer; its actual
resolution still depends on OS and hardware.
https://docs.oracle.com/cd/E15289_01/JRDTG/slow_start.htm
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