write perf fix (#18578)

Co-authored-by: annie-mac <annie-mac@s-pkges.redmond.corp.microsoft.com>
Azure · Jan 15, 2021 · 9f51290 · 9f51290
1 parent 72d14d7
commit 9f51290
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/...java/com/azure/cosmos/implementation/directconnectivity/rntbd/RntbdClientChannelPool.java b/...java/com/azure/cosmos/implementation/directconnectivity/rntbd/RntbdClientChannelPool.java
@@ -1164,7 +1164,7 @@ private boolean offerChannel(final Channel channel) {
     private Channel pollChannel() {
         ensureInEventLoop();
 
-        final Channel first = this.availableChannels.pollLast();
+        final Channel first = this.availableChannels.pollFirst();
 
         if (first == null) {
             return null;  // because there are no available channels
@@ -1182,7 +1182,7 @@ private Channel pollChannel() {
 
         this.availableChannels.offer(first);  // because we need a non-null sentinel to stop the search for a channel
 
-        for (Channel next = this.availableChannels.pollLast(); next != first; next = this.availableChannels.pollLast()) {
+        for (Channel next = this.availableChannels.pollFirst(); next != first; next = this.availableChannels.pollFirst()) {
             assert next != null : "impossible";
 
             if (next.isActive()) {