core: fix the backoff range to [0.8, 1.2] as per the A6 redefinition

wcchoi · web-flow · commit 194aea8dd600 · 2026-02-03T15:49:07.000+08:00
diff --git a/core/src/main/java/io/grpc/internal/RetriableStream.java b/core/src/main/java/io/grpc/internal/RetriableStream.java
@@ -853,7 +853,7 @@ public void run() {
 
   public static long intervalWithJitter(long intervalNanos) {
     double inverseJitterFactor = isExperimentalRetryJitterEnabled
-            ? 0.8 * random.nextDouble() + 0.4 : random.nextDouble();
+            ? 0.4 * random.nextDouble() + 0.8 : random.nextDouble();
     return (long) (intervalNanos * inverseJitterFactor);
   }
 

Original file line number	Diff line number	Diff line change
`@@ -853,7 +853,7 @@ public void run() {`
`853`	`853`
`854`	`854`	`public static long intervalWithJitter(long intervalNanos) {`
`855`	`855`	`double inverseJitterFactor = isExperimentalRetryJitterEnabled`
`856`		`- ? 0.8 * random.nextDouble() + 0.4 : random.nextDouble();`
	`856`	`+ ? 0.4 * random.nextDouble() + 0.8 : random.nextDouble();`
`857`	`857`	`return (long) (intervalNanos * inverseJitterFactor);`
`858`	`858`	`}`
`859`	`859`