Intesar's blog

Monitor site uptime: Sometimes there are websites which can only accept...: Sometimes there are websites which can only accept limited connection at a time.  For example, if a website can only accept 1000 connectio...

Environment 1 
Intel(R) Xeon(R) CPU           X3430  @ 2.40GHz
Cores: 4
8 MB Cache
Memory : 6GB
ulimit : 1024
OS : CentOS 5.4

Riak : 1.1
MySQL 5.1 (Highly tuned system)

Test data :
Object : username, email, id

Both test's were run from Java clients

To make this test little meaningful I've send each read/write command to mysql in its own request.

MySQL Single Node (time in ms)

inserts : 50, time : 871
 inserts : 100, time : 324
 inserts : 200, time : 835
 inserts : 500, time : 1936
 inserts : 1000, time : 3275

 gets : 50, time : 55
 gets : 100, time : 60
 gets : 200, time : 119
 gets : 500, time : 304
 gets : 1000, time : 582

Riak Single Node (Recommended is 3 Nodes)

inserts : 50, time : 461
 inserts : 100, time : 486
 inserts : 200, time : 1473
 inserts : 500, time : 3609
 inserts : 1000, time : 6442

 gets : 50, time : 2296
 gets : 100, time : 4501
 gets : 200, time : 9028
 gets : 500, time : 22496
 gets : 1000, time : 44981


Environment 2
Intel(R) Core(TM)2 Duo CPU     P8600  @ 2.40GHz
Cores: 2
Memo…

Receive all server exceptions as email, never miss one, easy to share and discuss with the others

Follow these simple steps to configure Log4j to use Yahoo mail.


Step 1: Add dependencies

        <dependency>
            <groupId>javax.mail</groupId>
            <artifactId>mail</artifactId>
            <version>1.4</version>
        </dependency>

        <!-- Log4j -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.16</version>
            <exclusions>
                <exclusion>
                    <groupId>javax.mail</groupId>
                    <artifactId>mail</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>javax.jms</groupId>
                    <artifactId>jms</artifactId>
                </exclusion&g…

Receive all server exceptions as email, never miss one, easy to share and discuss with the others

Follow these simple steps to configure Log4j to use GMail.


Step 1: Add dependencies

        <dependency>
            <groupId>javax.mail</groupId>
            <artifactId>mail</artifactId>
            <version>1.4</version>
        </dependency>

        <!-- Log4j -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.16</version>
            <exclusions>
                <exclusion>
                    <groupId>javax.mail</groupId>
                    <artifactId>mail</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>javax.jms</groupId>
                    <artifactId>jms</artifactId>
                </exclusion>
   …

Simple reusable GMailJava class for sending Aysnc emails. Copy the class, change the username/password and use it in your next project. 
Step 1: Add dependencies to your maven project <!-- mail --> <dependency> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> <version>1.4</version> </dependency> <!-- Apache Commons Validator --> <dependency> <groupId>commons-validator</groupId> <artifactId>commons-validator</artifactId> <version>1.4.0</version> </dependency> Step 2: Copy EmailService.java to your project & set username/password code: https://github.com/intesar/GMailJava/blob/master/src/main/java/com/bia/gmailjava/EmailService.java Note: Enable pop, IMAP inside GMail --> Settings --> Forwarding and POP / IMAP Sample code EmailService emailService = EmailSer…

Simple reusable YahooMailJava class for sending Aysnc emails via Yahoo. Copy the class, change the username/password and use it in your next project.  Step 1: Add dependencies to your maven project <!-- mail --> <dependency> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> <version>1.4</version> </dependency> <!-- Apache Commons Validator --> <dependency> <groupId>commons-validator</groupId> <artifactId>commons-validator</artifactId> <version>1.4.0</version> </dependency> Step 2: Copy YahooMailService.java to your project and set username/password code: https://github.com/intesar/YahooMailJava/blob/master/src/main/java/com/bia/yahoomailjava/YahooMailService.java Sample codeYahooMailService emailService = YahooMailService.getInstance(); emailService.sendEmail("<toemail>…

Simple reusable GMailJava class for sending Aysnc emails. Copy the class, change the username/password and use it in your next project. 
Step 1: Add dependencies to your maven project <!-- mail --> <dependency> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> <version>1.4</version> </dependency> <!-- Apache Commons Validator --> <dependency> <groupId>commons-validator</groupId> <artifactId>commons-validator</artifactId> <version>1.4.0</version> </dependency> Step 2: Copy EmailService.java to your project & set username/password code: https://github.com/intesar/GMailJava/blob/master/src/main/java/com/bia/gmailjava/EmailService.java Sample code EmailService emailService = EmailService.getInstance(); emailService.sendEmail("<toemail>", "<…

Website Uptime Monitor Service is a really nice simple service to monitor websites for free, No registration or signup is required, just put the site url, email and start monitoring. Few other features they plan to offer.

Free  Features!
1. Site/Web Service Monitor 
2. Email Alerts 
3. Weekly reports 
4. Checkout site uptime status anytime
5. SEO & Social Media coverage on Twitter, G+, FB, Pinterest, Blogger, Reddit for 95+ percent uptime!


They also have Android, iOS, Window's Mobile Apps also their site is compatible with all major smart phones.

Here is their website...
http://www.zytoon.me/monitor