freetsdb | Source Distributed Time Series Database , and the BEST Open | Runtime Evironment library
kandi X-RAY | freetsdb Summary
kandi X-RAY | freetsdb Summary
An FreeTSDB system consists of two separate software processes: data nodes, and meta nodes. Communication within a cluster looks like this:. The meta nodes communicate with each other via a TCP protocol and the Raft consensus protocol that all use port 8089 by default. The meta nodes also expose an HTTP API bound to port 8091 by default that the influxd-ctl command uses. Data nodes communicate with each other through a TCP protocol that is bound to port 8088. Data nodes communicate with the meta nodes through their HTTP API bound to 8091. Within a cluster, all meta nodes must communicate with all other meta nodes. All data nodes must communicate with all other data nodes and all meta nodes.
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Top functions reviewed by kandi - BETA
- compile builds an Evaluator for a given node .
- evalBinaryExpr evaluates expr .
- FloatArrayEncodeAll encodes a float64 to b and returns b .
- FloatArrayDecodeAll decodes a float64 from b and returns a slice of float64 .
- buildCursor builds a cursor for a select statement .
- readMetadata reads data from r .
- scanNumber scans buf starting at i .
- NewServer returns a new server .
- applyEnvOverrides applies a set of environment variables to the given value .
- TimeArrayEncodeAll encodes src to b .
freetsdb Key Features
freetsdb Examples and Code Snippets
Community Discussions
Trending Discussions on Server
QUESTION
When i set my username and password directly in a nodemailer server, it works as expected
...ANSWER
Answered 2021-Dec-31 at 07:29The syntax in your .env file is incorrect. Use equals = signs rather than colon :.
QUESTION
I am a windows user. I installed Windows Subsystem for Linux [wsl2] and then installed docker using it. Then I tried to get started with OpenSearch so I followed the documentation in the given link https://opensearch.org/downloads.html and run docker-compose up, In the shell, I am getting an error message like
opensearch-dashboards | {"type":"log","@timestamp":"2022-01-18T16:31:18Z","tags":["error","opensearch","data"],"pid":1,"message":"[ConnectionError]: getaddrinfo EAI_AGAIN opensearch-node1 opensearch-node1:9200"}
In the port http://localhost:5601/ I am getting messages like
OpenSearch Dashboards server is not ready yet
I also changed resources preference for memory to 5GB in docker-desktop but it still doesn't work. Can somebody help me with this?
...ANSWER
Answered 2022-Feb-13 at 22:00I had the same error message when opening "http://localhost:5601/" while testing opensearch and opensearch dasboard locally using Docker in Windows 10:
- OpenSearch Dashboards server is not ready yet
- opensearch-dashboards | {"type":"log","@timestamp":"2022-02-10T12:29:35Z","tags":["error","opensearch","data"],"pid":1,"message":"[ConnectionError]: getaddrinfo EAI_AGAIN opensearch-node1 opensearch-node1:9200"}
But when looking into the log I also found this other error:
- opensearch-node1 | [1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
The 3 part solution working for me was:
Part 1
On each opensearch nodes update the file:
QUESTION
I'm at school and in on Campus housing which means I don't have access to the router to get the admin password to allow me to port-forward my website for my senior Capstone. I would like to know how to host a server that I can insert a MySql database, as well as my sight files from my own machine; how would I even go about getting around this without port forwarding?
There is an "Open Windows Firewall Ports for network access" embedded within MySQL Server download prosses theoretically if clicked would it allow me to embed a Website within MySQL Server and host it?? or would that just allow my database to be assessable threw my vulnerable network.
...ANSWER
Answered 2022-Jan-27 at 22:57One solution would be to use reverse proxy services like https://pagekite.net/
QUESTION
I am working on an Online E-Learning website with Laravel 5.8 and I need to run a query for updating exam results of users that have been participated in the exam.
Here is the Controller method for updating exam scores:
...ANSWER
Answered 2022-Jan-21 at 09:59There is a chunk method in laravel for queuing large data. You can chunk the data and try importing datas Here is the link for reference: here
I hope this link will help you. Here is what documentation says about it.
If you need to work with thousands of database records, consider using the chunk method provided by the DB facade. This method retrieves a small chunk of results at a time and feeds each chunk into a closure for processing. For example, let's retrieve the entire users table in chunks of 100 records at a time:
QUESTION
I am developing an app to learn serverside. I have created a node js server and an android app.
WorkFlow⚙️(What I want to achieve):-
My local IP of pc: 192.168.0.120
On the port I am listening:8443
The whole thing working fine in localhost: as I am sending POST req. on 192.168.0.120:8443 on clicking the button on my app.
But this will only work if I am connected to my wifi not when connected to the SIM network or somewhere remote location.
So my question is where to send a request by clicking the button in my app (definitely can't send on 192.168.0.120:8443 as I am won't be connected to wifi)?
server.js file
...ANSWER
Answered 2022-Jan-14 at 08:27This is more of a networking question than a node question. You'll have to be able to configure your gateway router / firewall to make it work. In addition, your ISP must permit inbound connections on the ports your listening to. Fortunately, this likely isn't going to be an issue, but just something to be aware of.
First, you'll need to configure your router to do port forwarding. Port forwarding will translate connections to a specific port on your router and then forward that request to the same port on a specific internal IP address on your local network. If your router has a firewall, you may also have to create a rule to let traffic on that port through. Most home routers won't need to do this.
Once your gateway router is set up, you'll need to find out the external IP address of your router. To find the external IP address you can go to a website such as https://whatismyipaddress.com/. Give this IP address along with the port to whoever you want to connect to your server.
Most ISPs assign IP addresses dynamically, so you'll have to check to see if your IP address has changed from time to time.
Once this is all set up and ports are forwarded to your local dev machine, you can launch your Node server and start seeing requests.
Be aware there are some risks with exposing your machine to the internet. Just be sure that you don't trust input to your server and maybe turn off port forwarding when you don't need it.
If you're not able to do any router configuration, look into ngrok. This will get though almost any NAT router or firewall. Be aware that the free version is limited to 40 connections per minute.
QUESTION
I want to call the index.html from the folder /var/www/fileUpload/html. The index.html file exists in that folder.
The / router works. the uploadFiles route as well. But when I open the upload route I get a 404 error.
...ANSWER
Answered 2022-Jan-12 at 09:01That should be alias /var/www/fileUpload/html; otherwise Nginx is looking for the file in /var/www/fileUpload/html/upload/index.html. See this document for details.
For example:
QUESTION
I am trying to send an HTTP request using Vapor, to verify a recaptcha
Google's Captcha api is defined as follows:
URL: https://www.google.com/recaptcha/api/siteverify METHOD: POST
POST Parameter Description secret Required. The shared key between your site and reCAPTCHA. response Required. The user response token provided by the reCAPTCHA client-side integration on your site. remoteip Optional. The user's IP address.So I need to make a POST request with 2 parameters (secret and response).
In Swift i have:
...ANSWER
Answered 2022-Jan-07 at 10:22As Nick stated: the problem was that instead of .formData, I needed to use .urlEncodedForm.
QUESTION
Basically i have a bot in my django webapp when given your social media credentials it manages your one of social media accounts i was able to succesfully run it while the client is still on website and as you would expect it stopped when the client closed the website. Is there any way to store the credentials and then keep the bot running even after user leaves website and so that bot still manages the account? The bot is mostly making few requests and API calls. Thank You
...ANSWER
Answered 2021-Dec-24 at 18:19Lots of options.
- Celery. A library for organizing a task queue. Production-ready, widely supported, has a great community.
- Dramatiq possibly with periodic.
Dramatiqis also a library for organizing a task queue,periodicis a task scheduler. Less popular, more lightweight, and quite stable. Entry threshold is lesser thancelery, as for me. - Supervisor. Supervisor is a client/server system that allows its users to monitor and control a number of processes on UNIX-like operating systems. One command to install, very easy to configure, quite suitable for small projects (it's harder to use it when the amount of background routines becomes 10+).
- Tmux. It is a terminal multiplexer with the possibility to remain a process running after disconnection of it. Could be useful when you're running something one time or for tests.
- Django Background Task. It is a databased-backed work queue for Django, loosely based around Ruby’s DelayedJob library. Unmaintained and incompatible with Django versions newer than 2.2.
QUESTION
I have one of the following API URLs. At the end of the day for my use case, it doesn't matter which of these URLs I would have to use, but currently neither work.
...ANSWER
Answered 2021-Nov-22 at 17:29import * as url from "url";
const params = url.parse(req.url as string, true).query;
const {id} = params
QUESTION
I have a system that has a fastAPI server, a python client implemented on Raspberry and Javascript clients for the user interface. Data is sent from python client to server then forwarded to Js client and vice versa. I established the connection between the server and each type of client but when sending from a client-side to the server, it just send back to that client and the rest ones receive nothing. What is the proper way to deal with this problem? Hope for your help. Thanks.
...ANSWER
Answered 2021-Dec-20 at 01:50The problem with websocket is it doesn't support broadcasting. You can store somewhere list of connected clients and iterate over them to send a message
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Install freetsdb
The Installation process sets up three meta nodes, with each meta node running on its own server. You must have a minimum of three meta nodes in a cluster. FreeTSDB clusters require at least three meta nodes and an odd number of meta nodes for high availability and redundancy. We don't recommend having more than three meta nodes unless your servers or the communication between the servers have chronic reliability issues. Add your servers’ hostnames and IP addresses to each cluster server’s /etc/hosts file (the hostnames below are representative). Verification steps: Before proceeding with the installation, verify on each server that the other servers are resolvable. Here is an example set of shell commands using ping: ping -qc 1 cluster-meta-node-01 ping -qc 1 cluster-meta-node-02 ping -qc 1 cluster-meta-node-03. We highly recommend that each server be able to resolve the IP from the hostname alone as shown here. Resolve any connectivity issues before proceeding with the installation. A healthy cluster requires that every meta node can communicate with every other meta node. Perform the following steps on each meta server**. Uncomment hostname and set to the full hostname of the meta node.
The Installation process sets up two data nodes and each data node runs on its own server. You must have a minimum of two data nodes in a cluster. FreeTSDB clusters require at least two data nodes for high availability and redundancy. Note: that there is no requirement for each data node to run on its own server. However, best practices are to deploy each data node on a dedicated server. Add your servers’ hostnames and IP addresses to each cluster server’s /etc/hosts file (the hostnames below are representative). Verification steps: Before proceeding with the installation, verify on each meta and data server that the other servers are resolvable. Here is an example set of shell commands using ping: ping -qc 1 cluster-meta-node-01 ping -qc 1 cluster-meta-node-02 ping -qc 1 cluster-meta-node-03 ping -qc 1 cluster-data-node-01 ping -qc 1 cluster-data-node-02. We highly recommend that each server be able to resolve the IP from the hostname alone as shown here. Resolve any connectivity issues before proceeding with the installation. A healthy cluster requires that every meta and data node can communicate with every other meta and data node. Perform the following steps on each data node. Uncomment hostname at the top of the file and set it to the full hostname of the data node.
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