anmolanmol1234 commented on code in PR #7817:
URL: https://github.com/apache/hadoop/pull/7817#discussion_r2259971740
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsConnectionManager.java:
##########
@@ -89,23 +121,56 @@ public ConnectionRequest requestConnection(final HttpRoute
route,
*/
@Override
public HttpClientConnection get(final long timeout,
- final TimeUnit timeUnit)
- throws InterruptedException, ExecutionException,
- ConnectionPoolTimeoutException {
+ final TimeUnit timeUnit) throws ExecutionException {
String requestId = UUID.randomUUID().toString();
logDebug("Connection requested for request {}", requestId);
+ if (!route.getTargetHost().equals(baseHost)) {
+ // If the route target host does not match the base host, create a
new connection
+ logDebug("Route target host {} does not match base host {}, creating
new connection",
+ route.getTargetHost(), baseHost);
+ return createNewConnection();
+ }
try {
- HttpClientConnection clientConn = kac.get();
- if (clientConn != null) {
- logDebug("Connection retrieved from KAC: {} for requestId: {}",
- clientConn, requestId);
- return clientConn;
+ HttpClientConnection conn = kac.get();
+
+ // If a valid connection is available, return it and trigger
background warm-up if needed
+ if (conn != null) {
+ triggerConnectionWarmupIfNeeded();
+ return conn;
+ }
+
+ // No connection available — wait up to timeout for one to appear
+ synchronized (connectionLock) {
+ triggerConnectionWarmupIfNeeded();
+
+ final long timeoutMs = 500L;
Review Comment:
should come from a config
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