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https://github.com/serkan-ozal/jillegal-demo-web
Jillegal Demo Web Application
https://github.com/serkan-ozal/jillegal-demo-web
Last synced: 15 days ago
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Jillegal Demo Web Application
- Host: GitHub
- URL: https://github.com/serkan-ozal/jillegal-demo-web
- Owner: serkan-ozal
- Created: 2014-12-14T22:14:00.000Z (almost 10 years ago)
- Default Branch: master
- Last Pushed: 2015-03-01T21:40:01.000Z (over 9 years ago)
- Last Synced: 2024-10-17T00:12:35.526Z (30 days ago)
- Language: Java
- Size: 22.6 MB
- Stars: 1
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
Jillegal-Demo-Web
=================
Jillegal (https://github.com/serkan-ozal/jillegal) Demo Web Application
HOW TO INSTALL
--------------
* Open a EC2 instance.
```
On Demand Instance:
Type vCPU ECU Memory (GiB) Instance Storage (GB) Linux/UNIX Usage
====================================================================================
r3.large 2 6.5 15 1 x 32 SSD $0.175 per Hour
r3.xlarge 4 13 30.5 1 x 80 SSD $0.350 per Hour
r3.2xlarge 8 26 61 1 x 160 SSD $0.700 per Hour
r3.4xlarge 16 52 122 1 x 320 SSD $1.400 per Hour
r3.8xlarge 32 104 244 2 x 320 SSD $2.800 per Hour
Spot Instance:
Type Linux/UNIX Usage Windows Usage
====================================================
r3.large $0.0161 per Hour $0.1741 per Hour
r3.xlarge $0.0322 per Hour $0.2821 per Hour
r3.2xlarge $0.0641 per Hour $0.4441 per Hour
r3.4xlarge $0.1284 per Hour $0.6721 per Hour
r3.8xlarge $0.2567 per Hour $0.9561 per Hour
```
* Connect to instance.
For example, over SSH with `jillegal-demo-web.pem` PEM file.
```
ssh -i ~/.ssh/jillegal-demo-web.pem @
```
* Install **"JDK 8"**.
```
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
```
* Install **"Git"**.
```
sudo apt-get install git
```
* Install **"Maven"**.
```
sudo apt-get install maven
```
* Set environment variables.
```
export JAVA_HOME=/usr/lib/jvm/java-8-oracle
export JAVA8_HOME=$JAVA_HOME
```
* Clone and build **Jillegal**.
```
git clone https://github.com/serkan-ozal/jillegal.git
cd jillegal
mvn clean install -DskipTests=true
```
* Clone and build **Jillegal-Demo-Web**
```
git clone https://github.com/serkan-ozal/jillegal-demo-web.git
cd jillegal-demo-web
mvn clean install
```
* Set Maven arguments to run sample web application uses Jillegal
**Requiered Configuration**:
```
export MAVEN_OPTS="-XX:-UseCompressedOops -XX:+UseConcMarkSweepGC -XX:+StartAttachListener"
```
**Example Configuration**:
```
export MAVEN_OPTS="-XX:-UseCompressedOops -XX:+UseConcMarkSweepGC -verbose:gc -XX:+PrintGCDetails -Xms2g -Xmx4g -XX:+StartAttachListener -Djillegal.demo.web.maxPersonCount=10000000 -Djillegal.offheap.pool.objectCount=20480 -Djillegal.offheap.pool.estimatedStringCount=20480"
```
* Run web application and connect to it
```
mvn jetty:run
```
For local access, go to url `localhost:8080/jillegal-demo-web/`
For remote access, go to url `:8080/jillegal-demo-web/`
CONFIGURATIONS
--------------
* **`jillegal.offheap.pool.objectCount`:** Defines how much memory will be allocated for how many object while creating a single object pool. Default value is `1024`.
* **`jillegal.offheap.pool.estimatedStringCount`:** Defines how much memory will be allocated for how many string while creating a single string pool. Default value is `1024`.
* **`jillegal.offheap.pool.estimatedStringLength`:** Defines avarage size of string (including object header) object in string pool. This estimated length is used for calculating allocaton size in string pool. Default value is `32`.
* **`jillegal.demo.web.disableMonitoringLogs`:** Disables printing monitoring logs to console. Default value is `false`.
* **`jillegal.demo.web.disableOffHeapStorage`:** Disables off-heap storage in off-heap based map and uses normal JDK **ConcurrentHashMap**. But the objects are still off-heap objects. So in case of off-heap storage disabled mode, heap objects (ConcurrentHashMap's entries) points to off-heap objects. Default value is `false`.
* **`jillegal.demo.web.maxPersonCount`:** Defines how many person can be stored in memory at most. Default value is `1.000.000`.
* **`jillegal.demo.web.saveCountInASchedule`:** Defines how many person are put to off-heap storage as random in a schedule period (1 second). Default value is `1.000`.
* **`jillegal.demo.web.removeCountInASchedule`:** Defines how many person are removed from off-heap storage as random in a schedule period (1 second). Default value is `10`.
* **`jillegal.demo.web.getCountInASchedule`:** Defines how many person are got (queried) from off-heap storage as random in a schedule period (1 second). Default value is `1.000`.
* **`jillegal.demo.web.ignoreStrings`:** Ignores string typed fields (`username`, `firstName` and `lastName`) in `Person` object and these fields will be `null`. So, instead of string, more memory can be consumed by `Person` objects. Default value is `false`.
* **`jillegal.demo.web.useScheduledTask`:** Enables scheduled tasks to put, remove and get from off-heap storage in parallel from multiple threads. Default value is `false`.
TEST RESULTS
--------------
**Test Results of Jillegal Off-Heap During 1 Day with 10GB Data:**
**Test Results of Jillegal Off-Heap During 1 Day with 200GB Data:**
