public virtual void TestPurgeOldMetrics()
{
// create test source with a single metric counter of value 1
TestMetricsSourceAdapter.PurgableSource source = new TestMetricsSourceAdapter.PurgableSource
(this);
MetricsSourceBuilder sb = MetricsAnnotations.NewSourceBuilder(source);
MetricsSource s = sb.Build();
IList <MetricsTag> injectedTags = new AList <MetricsTag>();
MetricsSourceAdapter sa = new MetricsSourceAdapter("tst", "tst", "testdesc", s, injectedTags
, null, null, 1, false);
MBeanInfo info = sa.GetMBeanInfo();
bool sawIt = false;
foreach (MBeanAttributeInfo mBeanAttributeInfo in info.GetAttributes())
{
sawIt |= mBeanAttributeInfo.GetName().Equals(source.lastKeyName);
}
Assert.True("The last generated metric is not exported to jmx",
sawIt);
Thread.Sleep(1000);
// skip JMX cache TTL
info = sa.GetMBeanInfo();
sawIt = false;
foreach (MBeanAttributeInfo mBeanAttributeInfo_1 in info.GetAttributes())
{
sawIt |= mBeanAttributeInfo_1.GetName().Equals(source.lastKeyName);
}
Assert.True("The last generated metric is not exported to jmx",
sawIt);
}
public override void Run()
{
try
{
MBeanServer mbs = ManagementFactory.GetPlatformMBeanServer();
// Metrics that belong to "FSNamesystem", these are metrics that
// come from hadoop metrics framework for the class FSNamesystem.
ObjectName mxbeanNamefsn = new ObjectName("Hadoop:service=NameNode,name=FSNamesystem"
);
// Metrics that belong to "FSNamesystemState".
// These are metrics that FSNamesystem registers directly with MBeanServer.
ObjectName mxbeanNameFsns = new ObjectName("Hadoop:service=NameNode,name=FSNamesystemState"
);
// Metrics that belong to "NameNodeInfo".
// These are metrics that FSNamesystem registers directly with MBeanServer.
ObjectName mxbeanNameNni = new ObjectName("Hadoop:service=NameNode,name=NameNodeInfo"
);
ICollection <ObjectName> mbeans = new HashSet <ObjectName>();
mbeans.AddItem(mxbeanNamefsn);
mbeans.AddItem(mxbeanNameFsns);
mbeans.AddItem(mxbeanNameNni);
foreach (ObjectName mbean in mbeans)
{
MBeanInfo attributes = mbs.GetMBeanInfo(mbean);
foreach (MBeanAttributeInfo attributeInfo in attributes.GetAttributes())
{
mbs.GetAttribute(mbean, attributeInfo.GetName());
}
}
succeeded = true;
}
catch (Exception)
{
}
}
/// <summary>print all attributes' values</summary>
/// <exception cref="System.Exception"/>
public virtual void PrintAllValues()
{
Err("List of all the available keys:");
object val = null;
foreach (ObjectName oname in hadoopObjectNames)
{
Err(">>>>>>>>jmx name: " + oname.GetCanonicalKeyPropertyListString());
MBeanInfo mbinfo = mbsc.GetMBeanInfo(oname);
MBeanAttributeInfo[] mbinfos = mbinfo.GetAttributes();
foreach (MBeanAttributeInfo mb in mbinfos)
{
val = mbsc.GetAttribute(oname, mb.GetName());
System.Console.Out.Format(format, mb.GetName(), (val == null) ? string.Empty : val
.ToString());
}
}
}
/// <exception cref="System.Exception"/>
public virtual void PrintAllMatchedAttributes(string attrRegExp)
{
Err("List of the keys matching " + attrRegExp + " :");
object val = null;
Sharpen.Pattern p = Sharpen.Pattern.Compile(attrRegExp);
foreach (ObjectName oname in hadoopObjectNames)
{
Err(">>>>>>>>jmx name: " + oname.GetCanonicalKeyPropertyListString());
MBeanInfo mbinfo = mbsc.GetMBeanInfo(oname);
MBeanAttributeInfo[] mbinfos = mbinfo.GetAttributes();
foreach (MBeanAttributeInfo mb in mbinfos)
{
if (p.Matcher(mb.GetName()).LookingAt())
{
val = mbsc.GetAttribute(oname, mb.GetName());
System.Console.Out.Format(format, mb.GetName(), (val == null) ? string.Empty : val
.ToString());
}
}
}
}
