Response Time Monitoring
Response time monitoring Response time monitoring is testing how fast is your site.

Response time monitoring is testing how fast is your site. It might be accessible, but bad performance can still make it unattractive for the clients. The monitoring of the response time allows you to check how the site acts as the time goes on. Do any of the scheduled tasks, like backup, updates etc affect the performance? Does the site works well for the whole world, or some regions of interest could meet a confusing delay?

HostTracker provides a possibility to check the reaction of your site. Select Response time check on the main screen:

Create ContentCheck Task

Then, select the largest satisfactory response time for the site. Is this value is exceeded, you receive a notification. Also, all the statistics is stored in the check log, and response graph is generated. You may check this data at anytime.

Create ContentCheck Task

NOTE! Response time depends on the distance between the datacenter of your site and our checking server. It might be large enough for a remote country. To decrease this effect, select a checking region in advanced options.

Create ContentCheck Task
  • CM.Glossary.WebsiteMonitoring
  • CM.Glossary.ContentCheck
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"Your sites is very nice and is the best service for web designers. thanks a lot."
- Del.
Monitoring server performance with HostTracker

HostTracker offers numerous simple-yet-powerful instruments to keep your website running smoothly. That implies it delivers deep insight into server resource parameters such as CPU, RAM and HDD. Read on to find out more about “Monitor CPU, RAM, HDD” tool, and why you should adopt it.

HostTracker offers numerous simple-yet-powerful instruments to keep your website running smoothly. That implies it delivers deep insight into server resource parameters such as CPU, RAM and HDD. How does it work? Starting at collecting statistics, cloud-based service lets you know at once about CPU, memory and disk space usage issues and provides the way to speed up your server performance. Read on to find out more about “Monitor CPU, RAM, HDD” tool, and why you should adopt it.

Who are your neighbours?

Nowadays there are many services and tools around that can help with all sorts of server issues. For Windows and * Nix you can find special scripts that are very easily installed. However, the sets may vary depending on the server configuration. For example, if your server doesn’t support some basic functions, one way to deal with this - to create a script based on the tools provided, which will convert the data output in a specific format for further system manipulation.

But let’s not forget about server virtualization. Virtual hosting has been into trend for a couple of years and boasts numerous advantages over resource management. If this is your thing, then “Monitor CPU, RAM, HDD” function from HostTracker will definitely come in handy for you.

Sometimes it can be hundreds of different websites simultaneously hosted on a single server. Therefore, server may get easily overloaded or stop working properly. With “Monitor CPU, RAM, HDD”, you’ll be able to strengthen your server performance against some common causes of overload and spot out your “load hungry” neighbours. It’s worth noting - one of the biggest drawbacks of shared hosting is that your server IP can end up being blacklisted due to the dynamic allocation. In essence, if your neighbour’s IP from your IP block is currently suspected of hosting illegal content, your IP address can get into a blacklist as well. That’s why it’s crucial to keep a constant watch over bad neighbours to ensure that your business reputation is safe.

Rapid increase in the CPU load, memory and disk space usage may indicate that your web server has been infected. "Monitor CPU, RAM, HDD" can help you in this regard and protect the security of your resources.

User-friendly interface and other advantages

With our user-friendly and responsive interface all information about your server performance and settings is a stone’s throw from you. Therefore, for example, the needed script should be downloaded and run once only by the responsible administrator, subsequently - all actions can be specified using HostTracker’s account. Moreover, our cloud-based website monitoring service provides a wealth of different checks to choose, from HTTP and Ping tests, to database and server  parameters checks - all these let you gather the most complete information about your resource performance for further thorough and accurate analysis.

Additionally, HostTracker has a wide variety of notification types to offer ranging from Viber to Telegram. It also provides the ways to customize your own group of contacts for notification as well as pinpoint short outages. As regards statistics – it is available anytime you want:

In particular, the screenshot illustrates that the server CPU load hasn’t exceeded a specified threshold of 90% during the day. However, the value of this parameter has fluctuated over the period. It shows that, most of the website visits are during the day, that’s why the CPU level is lower at night.

API and Post-requests are up for grabs too - you can freely set the automatic server reboot, cache clearing etc.

We are always open to new ideas and suggestions whether relating to existing instruments, or submitted by technically-minded and creative people.

 

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Home > Blog > HostTracker_under_Azure

Those, who actively involved with the Web, should know HostTracker, a company from Ukraine, which has been supporting one of the leading global web monitoring services since 2004. Its goal is to monitor site health and accessibility in near-real-time access. Using alert message system, HostTracker allows to reduce downtimes, to improve quality of service for users, to quickly localize troubles...

​Those, who actively involved with the Web, should know HostTracker, a company from Ukraine, which has been supporting one of the leading global web monitoring services since 2004. Its goal is to monitor site health and accessibility in near-real-time access. Using alert message system, HostTracker allows to reduce downtimes, to improve quality of service for users, to quickly localize troubles, and etc.

Architecturally, HostTracker includes a server-based hub, acting both as a data collector and control center, and a series of software agents, launched in various regions – typically using the equipment operated by major providers, hosters and affiliates. The geographically distributed architecture provides common system reliability and also allows collecting data in terms of access speed, bandwidth and other key performance characteristics on regional level – a critically important feature for the international business.

The first version of HostTracker, which is still functioning and providing services for tens of thousands of customers, was Linux based. Today, it is supported by nine control servers, located and organized in two DPCs on collocation principle, and few dozens of agents. Considering that the final objective of web monitoring is focused on increasing the uptime of client-based web resources – whereas 95% of HostTracker customers were able to increase it up to 99% – then, performance and accessibility of the service itself are not just critical, but rather fundamental parameters that influence the whole business. Theoretically, HostTracker should demonstrate accessibility close to 100%. However, an extensive growth of the service made this task hard to solve.

HostTracker was facing constantly increasing network traffic – a problem for seamless operation of the service. Inability to add new control servers on-the-fly, difficulties when maintaining not uniform and multiple-aged hardware was another limiting factor. Moreover, the desire to develop the service through wider protocol and network service support was meeting certain obstacles. “Unfortunately, for Linux there was a limited choice of ready-to-use solutions and libraries, while inventing something completely new was difficult”, says Artem Prisyazhnyuk, HostTracker director. “We had an idea of reviewing the stack of technologies we used for a more sophisticated one and after taking a closer look at the .NET platform, its potential in terms of scalability and network support, I realized that was exactly the thing we had been looking for.”

It was sure that migrating to a completely different platform should be a complex task – the project extended over three years. However, it was like blessing in disguise: during this period, the world has seen the cloud computing that seemed an ideal tool for solving both the scalability problem and putting aside one’s own whole infrastructure. Besides, the PaaS model allowed to remove most of the effort in terms of administering the solution and to control the application as a self-contained entity, to the extent of complete automation, and thus, Windows Azure had in fact no alternatives.

As a result, the second version of HostTracker, commercial operation of which started in May 2012, is already functioning under Windows Azure. Its central ingredient is realized as Web Role and associated with SQL Azure Database – it provides external portal, analytics and report generation, control of monitoring applications. The latter are ensured with instances of Worker Role, which also use SQL Azure Database to store their data and to provide the service scalability depending on the network loading. Agents are functioning as they did before, with the viability of their transfer to Windows Azure being considered.
Now, HostTracker uses HTTP/HTTPS and ICMP protocols to monitor specific ports, including various methods (HEAD/POST/GET), and etc.
 

HostTracker instant check



Alarm reporting is available via email, SMS and instant messages. The customer can receive reports with statistics about resources being controlled and their performances. You can spend only 6 minutes to make monitoring settings for five sites, while the average response time in case of failure is limited by a couple of minutes, and it takes 1-3 minutes more to inform the customer about the problem. Using this service, anyone can check any site, including access from various regions.

 As a result, if on the one side the transfer to the .NET platform itself gave us the potential to modernize HostTracker, to optimize the application architecture and realize new internal functions, then, on the other side, the migration to the cloud allowed to refuse from less important, though time consuming activities such as administering the solution, and, first of all, to reach necessary performance indicators. Microsoft, for all basic Windows Azure services, declares 99,9% accessibility and guarantees monthly refunds, should this indicator be lower. This creates a firm ground for operating such services like HostTracker, as the accessibility is the most critical parameter for these applications. Using the cloud infrastructure also provides a better protection for the service: unauthorized access to the application and many types of attacks are effectively excluded, while the data safety is ensured by triple reservation.

HostTracker received another advantage from abandoning its own infrastructure. The service’s performance characteristics are also rather critical, for they directly affect the failure reporting system operation. In this respect, Windows Azure is virtually a drainless source of computing power. This means that by timely starting additional monitoring instances you can support HostTracker functioning parameters on the necessary level. Moreover, the cloud environment is exactly what you need in order to make this process almost fully automatic, excluding further need for direct control.

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