Price high availability
Now, when Jelastic provides high availability features, the question naturally arises: how will this affect the amount of resources used?
We decided to share this information with you. First of all, this is still a free beta for us, but in a few weeks we will still go out on a commercial basis and we must pay for the resources consumed.
will pay. And secondly, for hosting outside Jelastic, you may still want to build a fault-tolerant configuration, so the question of resource consumption is not idle.
Let's see how the resource consumption of servers in the configuration of a failover cluster (with session replication) increases with the examples of servers that are currently available in Jelastic.
Let's start with GlassFish . This server has many advantages: full support for industrial clustering, a wide range of functions, multiple modules, high reliability, administrative panel, etc. If we look at the following table, it may seem that GlassFish is quite “voracious”, but this is fully justified by its functionality.
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Note: in all tables, we indicate not only the memory consumption in MB, but also the amount consumed by the cloudlet. Claudlets are our way of counting consumed resources. One cloudlet is 128 MB RAM and about 200 Mhz CPU core.
Tomcat 6 is the most popular server among our developers due to its simplicity and stability. The optimal choice for most web applications. How many resources it "eats" with all possible configuration options, you can see in the following table:
Tomcat 7 also has something to brag about: it is even more productive and efficient than its predecessor. Accordingly, it requires a little bit more expense:
As for Jetty , this application server is becoming increasingly popular among developers (as our statistics show). It is also the most "lightweight", see for yourself:
We are always happy to help you on support.jelastic.com , and also look forward to your suggestions on adding new features to Jelastic PaaS jelastic.com/?features
We remind you that using Jelastic now during beta is completely free -
try and you on jelastic.com
We decided to share this information with you. First of all, this is still a free beta for us, but in a few weeks we will still go out on a commercial basis and we must pay for the resources consumed.
will pay. And secondly, for hosting outside Jelastic, you may still want to build a fault-tolerant configuration, so the question of resource consumption is not idle.
Let's see how the resource consumption of servers in the configuration of a failover cluster (with session replication) increases with the examples of servers that are currently available in Jelastic.
Glassfish
Let's start with GlassFish . This server has many advantages: full support for industrial clustering, a wide range of functions, multiple modules, high reliability, administrative panel, etc. If we look at the following table, it may seem that GlassFish is quite “voracious”, but this is fully justified by its functionality.')
Note: in all tables, we indicate not only the memory consumption in MB, but also the amount consumed by the cloudlet. Claudlets are our way of counting consumed resources. One cloudlet is 128 MB RAM and about 200 Mhz CPU core.
Tomcat
Tomcat 6 is the most popular server among our developers due to its simplicity and stability. The optimal choice for most web applications. How many resources it "eats" with all possible configuration options, you can see in the following table:
Tomcat 7 also has something to brag about: it is even more productive and efficient than its predecessor. Accordingly, it requires a little bit more expense:
Jetty
As for Jetty , this application server is becoming increasingly popular among developers (as our statistics show). It is also the most "lightweight", see for yourself:
We are always happy to help you on support.jelastic.com , and also look forward to your suggestions on adding new features to Jelastic PaaS jelastic.com/?features
We remind you that using Jelastic now during beta is completely free -
try and you on jelastic.com
Source: https://habr.com/ru/post/137313/
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