HDFS-11280. Allow WebHDFS to reuse HTTP connections to NN. Contributed by Zheng Shao.

This commit is contained in:
Haohui Mai 2016-12-30 22:17:49 -08:00
parent 165d01a73e
commit b811a1c14d

View File

@ -659,7 +659,9 @@ protected HttpURLConnection connect(URL url) throws IOException {
url = new URL(conn.getHeaderField("Location"));
redirectHost = url.getHost() + ":" + url.getPort();
} finally {
conn.disconnect();
// Don't call conn.disconnect() to allow connection reuse
// See http://tinyurl.com/java7-http-keepalive
conn.getInputStream().close();
}
}
try {
@ -891,7 +893,9 @@ final T getResponse(HttpURLConnection conn) throws IOException {
LOG.debug("Response decoding failure.", e);
throw ioe;
} finally {
conn.disconnect();
// Don't call conn.disconnect() to allow connection reuse
// See http://tinyurl.com/java7-http-keepalive
conn.getInputStream().close();
}
}
@ -938,6 +942,9 @@ public void close() throws IOException {
try {
validateResponse(op, conn, true);
} finally {
// This is a connection to DataNode. Let's disconnect since
// there is little chance that the connection will be reused
// any time soonl
conn.disconnect();
}
}