iarthas | i_arthas 是模仿阿里开源的阿尔萨斯 写的小工具。整体技术上采用 Java agent | Monitoring library
kandi X-RAY | iarthas Summary
kandi X-RAY | iarthas Summary
i_arthas 是模仿阿里开源的阿尔萨斯写的小工具。整体技术上采用 Java agent 对字节码的加载进 行拦截干涉,利用 ASM/ASM Byte Viewer 实现目标类字节码的加强,通过 Java attach 实现不同 虚拟机进程间的通信,做到了虚拟机层面上的 AOP。.
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Top functions reviewed by kandi - BETA
- Dump the advice information
- Writes advice
- Get the next index for this type
- Overrides the TimeTunnelVisitor
- Get the operands for a given type
- Get input parameter types
- Command line
- Reads the contents of a file into a byte array
- Looks for method parameters
- Get output parameter types by opcode
- Main entry point
- Add x
- Implementation of TimeTunnel implementation
- Get advice for class name and method name
- Set Method
- Transform class into bytecode
- Translate a class
- Filter the trace class
- Write instruction
- Write Method
- Gets the cost time
- Generate Method
- Visits an instruction
- Entry point for the agent
- Start the agent application
iarthas Key Features
iarthas Examples and Code Snippets
Community Discussions
Trending Discussions on Monitoring
QUESTION
I need to get the IP numbers that are connecting to the EC2 instance then add them to AWS security group as a security group rule. So only those machines will have the permission to connect to instance. I don't need the port number that they're connecting to instance.
I installed iptraf-ng but app is very slow on the instance. Any other suggestions to capture the connecting IP's to instance so I can add them faster to security group rule?
...ANSWER
Answered 2022-Apr-08 at 16:12You can use VPC Flow logs to monitor the traffic to the VPC (which will include the traffic that is going to the EC2 instance).
QUESTION
I have a problem with checking my service on other windows or Linux servers.
My problem is that I have to make a request from one server to the other servers and check if the vital services of those servers are active or disabled.
I wrote Python code to check for services, which only works on a local system.
...ANSWER
Answered 2022-Mar-08 at 17:46As far as I know, psutil
can only be used for gathering information about local processes, and is not suitable for retrieving information about processes running on other hosts. If you want to check whether or not a process is running on another host, there are many ways to approach this problem, and the solution depends on how deep you want to go (or need to go), and what your local situation is. From the top of my head, here are some ideas:
If you are only dealing with network services with exposed ports:
A very simple solution would involve using a script and a port scanner (nmap); if a port that a service is listening behind, is open, then we can assume that the service is running. Run the script every once in a while to check up on the services, and do your thing.
If you want to stay in Python, you can achieve the same end result by using Python's
socket
module to try and connect to a given host and port to determine whether or not the port that a service is listening behind, is open.A Python package or tool for monitoring network services on other hosts like this probably already exists.
If you want more information and need to go deeper, or you want to check up on local services, your solution will have to involve a local monitor process on each host, and connecting to that process to gather information.
- You can use your code to implement a server that lets clients connect to it, to check up on the services running on that host. (Check the
socket
module's official documentation for examples on how to implement clients and servers.)
Here's the big thing though. Based on your question and how it was asked, I would assume that you do not have the experience nor the insight to implement this in a secure way yet. If you're using this for a simple hobby/student project, roll out your own solution, and learn. Otherwise, I would recommend that you check out an existing solution like Nagios, and follow the security recommendations very closely.
QUESTION
I am trying to set up a dashboard on Datadog that will show me the streaming metrics for my streaming job. The job itself contains two tasks one task has 2 streaming queries and the other has 4 (Both tasks use the same cluster). I followed the instructions here to install Datadog on the driver node. However when I go to datadog and try to create a dashboard there is no way to differentiate between the 6 different streaming queries so they are all lumped together (none of the tags for the metrics are different per query).
...ANSWER
Answered 2022-Mar-11 at 18:18After some digging I found there is an option you can enable via the init script called enable_query_name_tag which is disabled by default as it can cause there to be a ton of tags created when you are not using query names.
The modification is shown here:
QUESTION
I have a metric with 2 labels. Both labels can have 2 values A or B.
I'd like to sum all the values and exclude the case when Label1=A and Label2=B.
...ANSWER
Answered 2022-Mar-02 at 17:51Try the following query:
QUESTION
I'm trying to set up Prometheus-to-Prometheus metrics flow, I was able to do it by flag --enable-feature=remote-write-receiver
.
However I need to have mTLS there, can someone advice a manual or post a config sample?
Appreciate you help
...ANSWER
Answered 2022-Feb-24 at 06:08There is a second config file with experimental options related to HTTP server, and it has options to enable TLS:
QUESTION
I have the following docker-compose file:
...ANSWER
Answered 2022-Feb-19 at 17:59The solution to this problem is to use an actual service discovery instead of static targets. This way Prometheus will scrape each replica during each iteration.
If it is just docker-compose (I mean, not Swarm), you can use DNS service discovery (dns_sd_config) to obtain all IPs belonging to a service:
QUESTION
I'm new to monitoring the k8s cluster with prometheus, node exporter and so on.
I want to know that what the metrics exactly mean for though the name of metrics are self descriptive.
I already checked the github of node exporter, but I got not useful information.
Where can I get the descriptions of node exporter metrics?
Thanks
...ANSWER
Answered 2022-Feb-10 at 08:34There is a short description along with each of the metrics. You can see them if you open node exporter in browser or just curl http://my-node-exporter:9100/metrics
. You will see all the exported metrics and lines with # HELP
are the description ones:
QUESTION
Say I have two metrics in Prometheus, both counters:
Ok:
...ANSWER
Answered 2022-Feb-08 at 18:32You need the following query:
QUESTION
It may be a vague question but I couldn't find any documentation regarding the same. Does Google cloud platform have provision to integrate with OpsGenie?
Basically we have set up few alerts in GCP for our Kubernetes Cluster monitoring
and we want them to be feeded to OpsGenie
for Automatic call outs in case of high priority incidents.
Is it possible?
...ANSWER
Answered 2022-Jan-26 at 08:39QUESTION
I’ve a PVC in RWX. 2 pods use this PVC. I want to know which pods ask volume to the PVC and when. How can I manage that?
...ANSWER
Answered 2021-Dec-03 at 15:33As far as i know there is no direct way to figure out a PVC is used by which pod To get that info possible workaround is grep through all the pods for the respective pvc :
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install iarthas
You can use iarthas like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the iarthas component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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