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From yq...@apache.org
Subject [hadoop] branch trunk updated: HDFS-14182. Datanode usage histogram is clicked to show ip list. Contributed by fengchuang.
Date Mon, 04 Mar 2019 09:35:17 GMT
This is an automated email from the ASF dual-hosted git repository.

yqlin pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/hadoop.git


The following commit(s) were added to refs/heads/trunk by this push:
     new 18ea0c1  HDFS-14182. Datanode usage histogram is clicked to show ip list. Contributed
by fengchuang.
18ea0c1 is described below

commit 18ea0c14933c3e33617647eae2e3076cda1232c0
Author: Yiqun Lin <yqlin@apache.org>
AuthorDate: Mon Mar 4 17:34:24 2019 +0800

    HDFS-14182. Datanode usage histogram is clicked to show ip list. Contributed by fengchuang.
---
 .../hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js | 47 +++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
index 5b2838c..4e8b362 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
@@ -303,10 +303,13 @@
           .attr("class", "bar")
           .attr("transform", function(d) { return "translate(" + x(d.x0) + "," + y(d.length)
+ ")"; });
 
+      window.liveNodes = dnData.LiveNodes;
+
       bar.append("rect")
           .attr("x", 1)
           .attr("width", x(bins[0].x1) - x(bins[0].x0) - 1)
-          .attr("height", function(d) { return height - y(d.length); });
+          .attr("height", function(d) { return height - y(d.length); })
+          .attr("onclick", function (d) { return "open_hostip_list(" + d.x0 + "," + d.x1
+ ")"; });
 
       bar.append("text")
           .attr("dy", ".75em")
@@ -425,3 +428,45 @@
     load_page();
   });
 })();
+
+function open_hostip_list(x0, x1) {
+  close_hostip_list();
+  var ips = new Array();
+  for (var i = 0; i < liveNodes.length; i++) {
+    var dn = liveNodes[i];
+    var index = (dn.usedSpace / dn.capacity) * 100.0;
+    if (index == 0) {
+      index = 1;
+    }
+    //More than 100% do not care,so not record in 95%-100% bar
+    if (index > x0 && index <= x1) {
+      ips.push(dn.infoAddr.split(":")[0]);
+    }
+  }
+  var ipsText = '';
+  for (var i = 0; i < ips.length; i++) {
+    ipsText += ips[i] + '\n';
+  }
+  var histogram_div = document.getElementById('datanode-usage-histogram');
+  histogram_div.setAttribute('style', 'position: relative');
+  var ips_div = document.createElement("textarea");
+  ips_div.setAttribute('id', 'datanode_ips');
+  ips_div.setAttribute('rows', '8');
+  ips_div.setAttribute('cols', '14');
+  ips_div.setAttribute('style', 'position: absolute;top: 0px;right: -38px;');
+  ips_div.setAttribute('readonly', 'readonly');
+  histogram_div.appendChild(ips_div);
+
+  var close_div = document.createElement("div");
+  histogram_div.appendChild(close_div);
+  close_div.setAttribute('id', 'close_ips');
+  close_div.setAttribute('style', 'position: absolute;top: 0px;right: -62px;width:20px;height;20px');
+  close_div.setAttribute('onclick', 'close_hostip_list()');
+  close_div.innerHTML = "X";
+  ips_div.innerHTML = ipsText;
+}
+
+function close_hostip_list() {
+  $("#datanode_ips").remove();
+  $("#close_ips").remove();
+}
\ No newline at end of file


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