monitoring

问题 I am trying to measure how many threads are executing a section of code at the same time. Currently i am (ab)using Semaphores for this, is there a better way? final int MAX_THREADS = Integer.MAX_VALUE; Semaphore s = new Semaphore(MAX_THREADS); s.acquire(); // start of section // do some computations // track how many threads are running the section trackThreads( (MAX_THREADS - s.availablePermits()) ); s.release(); // end of section 回答1: Use an AtomicInteger instead of a Semaphore . Something

问题 I have prometheus configuration with many jobs where i am scraping metrics over http. But I have one job where i need to scrape the metrics over https. When i access: https://ip-address:port/metrics I can see the metrics. The job that I have added in the prometheus.yml configuration is: - job_name: 'test-jvm-metrics' scheme: https static_configs: - targets: ['ip:port'] When i restart the prometheus I can see error on my target that says: context deadline exceeded I have read that maybe the

问题 I have prometheus configuration with many jobs where i am scraping metrics over http. But I have one job where i need to scrape the metrics over https. When i access: https://ip-address:port/metrics I can see the metrics. The job that I have added in the prometheus.yml configuration is: - job_name: 'test-jvm-metrics' scheme: https static_configs: - targets: ['ip:port'] When i restart the prometheus I can see error on my target that says: context deadline exceeded I have read that maybe the

问题 I'm using SQL Server 2005, and I'd like to know if there is any possibility to watch every query sent to SQL server? SQL Server Management Studio has a built-in tool called the Activity Monitor which gives me nearly what I am searching for in the "Recent Expensive Queries Pane" This pane shows information about the most expensive queries that have been run on the instance over the last 30 seconds. I need exactly this for all recent queries, not just the expensive ones... Can anyone help me?

问题 I want to take the http status of multiple URL at once to prepare a report. How to acheive it using powershell? 回答1: I have seen questions on monitoring multiple websites through windows machine. My friend wanted to check status of 200 URLs which he used to do manually. I wrote a Power-Shell script to overcome this. Posting it for the benefit of all users. Save the below code as "AnyName.ps1" file in "D:\MonitorWeb\" #Place URL list file in the below path $URLListFile = "D:\MonitorWeb\URLList

问题 I'm running prometheus and telegraf on the same host. I'm using a few inputs plugins: inputs.cpu inputs.ntpq I've configured to the prometheus_client output plugin to send data to prometheus Here's my config: [[outputs.prometheus_client]] ## Address to listen on. listen = ":9126" ## Use HTTP Basic Authentication. # basic_username = "Foo" # basic_password = "Bar" ## If set, the IP Ranges which are allowed to access metrics. ## ex: ip_range = ["192.168.0.0/24", "192.168.1.0/30"] # ip_range = []

问题 I have read that Spark does not have Prometheus as one of the pre-packaged sinks. So I found this post on how to monitor Apache Spark with prometheus. But I found it difficult to understand and to success because I am beginner and this is a first time to work with Apache Spark. First thing that I do not get is what I need to do? I need to change the metrics.properties Should I add some code in the app or? I do not get what are the steps to make it... The thing that I am making is: changing

问题 I have read that Spark does not have Prometheus as one of the pre-packaged sinks. So I found this post on how to monitor Apache Spark with prometheus. But I found it difficult to understand and to success because I am beginner and this is a first time to work with Apache Spark. First thing that I do not get is what I need to do? I need to change the metrics.properties Should I add some code in the app or? I do not get what are the steps to make it... The thing that I am making is: changing

问题 We are monitoring jvm metrics like heap, metaspace, threads and gc count and we are able to push these metrics to monitorng server like prometheus. Similarly we wanted to track Java native memory metrics(output of jcmd VM.sumary). My question is, is it possible to get these metrics by calling any jvm runtime classes? 回答1: Yes, it is possible to get NativeMemoryTracking summary directly from a Java application: import javax.management.JMException; import javax.management.ObjectName; import

问题 We are monitoring jvm metrics like heap, metaspace, threads and gc count and we are able to push these metrics to monitorng server like prometheus. Similarly we wanted to track Java native memory metrics(output of jcmd VM.sumary). My question is, is it possible to get these metrics by calling any jvm runtime classes? 回答1: Yes, it is possible to get NativeMemoryTracking summary directly from a Java application: import javax.management.JMException; import javax.management.ObjectName; import