sashapolo commented on code in PR #5637:
URL: https://github.com/apache/ignite-3/pull/5637#discussion_r2044494732
##########
modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/throttling/SpeedBasedMemoryConsumptionThrottlingStrategy.java:
##########
@@ -496,5 +506,35 @@ void reset() {
void finish() {
cpWriteSpeed.closeInterval();
threadIds.clear();
+
+ updateWriteVsFsyncCoefficient();
+ }
+
+ private void updateWriteVsFsyncCoefficient() {
+ CheckpointProgress progress = cpProgress.get();
+ assert progress != null;
+
+ if (progress.currentCheckpointPagesCount() == 0) {
+ return;
+ }
+
+ long pagesWriteTimeMillis = progress.getPagesWriteTimeMillis();
+ long fsyncTimeMillis = progress.getFsyncTimeMillis();
+
+ double coefficient = ((double) pagesWriteTimeMillis) /
(pagesWriteTimeMillis + fsyncTimeMillis);
+ if (isNaN(coefficient)) {
+ return;
+ }
+
+ double newCoefficient = writeVsFsyncCoefficient * 0.85 + coefficient *
0.15;
+
+ // Put it within reasonable bounds just in case.
Review Comment:
Why?
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