smiklosovic commented on code in PR #2058:
URL: https://github.com/apache/cassandra/pull/2058#discussion_r1061768534
##########
src/java/org/apache/cassandra/streaming/StreamSession.java:
##########
@@ -1027,9 +1022,30 @@ public void receive(IncomingStreamMessage message)
public void progress(String filename, ProgressInfo.Direction direction,
long bytes, long total)
{
ProgressInfo progress = new ProgressInfo(peer, index, filename,
direction, bytes, total);
+ updateMetricsOnProgress(progress);
streamResult.handleProgress(progress);
}
+ private void updateMetricsOnProgress(ProgressInfo progress)
+ {
+ ProgressInfo.Direction direction = progress.direction;
+ long lastSeenBytesStreamedForProgress =
lastSeenBytesStreamed.getOrDefault(progress, 0L);
+ long newBytesStreamed = progress.currentBytes -
lastSeenBytesStreamedForProgress;
+ if (direction == ProgressInfo.Direction.OUT)
+ {
+ StreamingMetrics.totalOutgoingBytes.inc(newBytesStreamed);
+ metrics.outgoingBytes.inc(newBytesStreamed);
+ }
+
+ else if (direction == ProgressInfo.Direction.IN)
+ {
+ StreamingMetrics.totalIncomingBytes.inc(newBytesStreamed);
+ metrics.incomingBytes.inc(newBytesStreamed);
+ }
+
+ lastSeenBytesStreamed.put(progress, lastSeenBytesStreamedForProgress +
newBytesStreamed);
Review Comment:
I think you ultimately need just file name, direction and bytes and you
might probably just hash file name and direction to have it unique but I am
just figuring this out in my mind, not tested nor anything ...
Hashing just these two things is probably not necessary either if you
dedicate two separate maps for each direction so key in each map would be just
a file name.
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