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ddiederen pushed a commit to branch branch-3.7
in repository https://gitbox.apache.org/repos/asf/zookeeper.git

commit 5d47a4ea40e4989841738178952025320cd1c30d
Author: Damien Diederen <[email protected]>
AuthorDate: Wed Feb 17 20:18:55 2021 +0100

    ZOOKEEPER-4200: Widen latency window in WatcherCleanerTest
    
    `WatcherCleanerTest` performs latency checks which fail when outside of a 
20+Xms window.  Before this patch, X was 5ms—whereas 30+ms is frequently seen 
on an i5 Mac Mini running macOS Catalina.
    
    This "dumb" patch just widens the window to 20ms, which makes it "work on 
my machine," but could obviously still fail in a loaded environment or VM.
    
    Author: Damien Diederen <[email protected]>
    
    Reviewers: Enrico Olivelli <[email protected]>, Mate Szalay-Beko 
<[email protected]>
    
    Closes #1592 from ztzg/ZOOKEEPER-4200-widen-latency-window
---
 .../apache/zookeeper/server/watch/WatcherCleanerTest.java  | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git 
a/zookeeper-server/src/test/java/org/apache/zookeeper/server/watch/WatcherCleanerTest.java
 
b/zookeeper-server/src/test/java/org/apache/zookeeper/server/watch/WatcherCleanerTest.java
index ec05f14..9ed145a 100644
--- 
a/zookeeper-server/src/test/java/org/apache/zookeeper/server/watch/WatcherCleanerTest.java
+++ 
b/zookeeper-server/src/test/java/org/apache/zookeeper/server/watch/WatcherCleanerTest.java
@@ -162,13 +162,13 @@ public class WatcherCleanerTest extends ZKTestCase {
 
         assertEquals(3L, values.get("cnt_dead_watchers_cleaner_latency"));
 
-        //Each latency should be a little over 20 ms, allow 5 ms deviation
-        assertEquals(20D, (Double) 
values.get("avg_dead_watchers_cleaner_latency"), 5);
-        assertEquals(20D, ((Long) 
values.get("min_dead_watchers_cleaner_latency")).doubleValue(), 5);
-        assertEquals(20D, ((Long) 
values.get("max_dead_watchers_cleaner_latency")).doubleValue(), 5);
-        assertEquals(20D, ((Long) 
values.get("p50_dead_watchers_cleaner_latency")).doubleValue(), 5);
-        assertEquals(20D, ((Long) 
values.get("p95_dead_watchers_cleaner_latency")).doubleValue(), 5);
-        assertEquals(20D, ((Long) 
values.get("p99_dead_watchers_cleaner_latency")).doubleValue(), 5);
+        //Each latency should be a little over 20 ms, allow 20 ms deviation
+        assertEquals(20D, (Double) 
values.get("avg_dead_watchers_cleaner_latency"), 20);
+        assertEquals(20D, ((Long) 
values.get("min_dead_watchers_cleaner_latency")).doubleValue(), 20);
+        assertEquals(20D, ((Long) 
values.get("max_dead_watchers_cleaner_latency")).doubleValue(), 20);
+        assertEquals(20D, ((Long) 
values.get("p50_dead_watchers_cleaner_latency")).doubleValue(), 20);
+        assertEquals(20D, ((Long) 
values.get("p95_dead_watchers_cleaner_latency")).doubleValue(), 20);
+        assertEquals(20D, ((Long) 
values.get("p99_dead_watchers_cleaner_latency")).doubleValue(), 20);
     }
 
 }

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