Postgressql Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
Looking for an experienced database administrator who knows about tunning of Postgres database. Now i have this error 18:30:45,817 ERROR [ajp-bio-8019-exec-1734][SerializableSessionAttributeListener:110] org.zkoss.zk.ui.http.SimpleSession is not serializable and will prevent this session from being replicated orgs: 1 Entro en onGoAgenda orgs: 1 18:31:10,629 WARN [C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-AdminTaskTimer][ThreadPoolAsynchronousRunner:275] com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@5d5b7589 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks! sexo---->1 18:31:10,698 WARN [C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-AdminTaskTimer][ThreadPoolAsynchronousRunner:275] com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@5d5b7589 -- APPARENT DEADLOCK!!! Complete Status: _ Managed Threads: 10_ Active Threads: 0_ Active Tasks: _ Pending Tasks: _ com.mchange.v2.resourcepool.BasicResourcePool$1RefurbishCheckinResourceTask@2e23ba03_ com.mchange.v2.resourcepool.BasicResourcePool$1RefurbishCheckinResourceTask@bf8d235_ com.mchange.v2.resourcepool.BasicResourcePool$1RefurbishCheckinResourceTask@6002c78b_Pool thread stack traces:_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#6,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#8,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#1,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#0,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#3,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#4,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#5,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#2,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#9,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ Thread[C3P0PooledConnectionPoolManager[identityToken->ClisjVlg]-HelperThread-#7,5,main]_ java.lang.Object.wait(Native Method)_ com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:683)_ [Sanitized] Entro en onGoAgenda orgs: 1 ***************************USER***************>>>>Alejandra Usuga Silva 18:31:47,697 WARN [RuntimePageImpl-150][BasicResourcePool:313] com.mchange.v2.resourcepool.BasicResourcePool@76cd2106 -- an attempt to checkout a resource was interrupted, and the pool is still live: some other thread must have interrupted the Thread attempting checkout! java.lang.InterruptedException at java.lang.Object.wait(Native Method) at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:660) at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:549) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:756) at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:683) at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140) at com.liferay.portal.dao.jdbc.util.DataSourceWrapper.getConnection(DataSourceWrapper.java:39) at
Skills: PostgreSQL Administration PostgreSQL Programming
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
I will expect the following; - worked with nodejs before - worked with reactjs before - fullstack developer - understand working with micro service architecture ( see http://senecajs.org/ ) or can create nodejs microservices - postgresSql - worked with at least one message broker e.g rabbitMq, activeMQ or Hive You might be required to show a simple demo work of yours with micro-service architecture
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
Responsibilities: - Gather and refine specifications and requirements based on technical needs - Write well designed, efficient, and testable code by using best software development practices - Create website layout/user interface by using standard HTML, CSS, and Javascript practices - Integrate data from various back-end services and databases (Python, Django, and PostgresSQL) - Create and maintain Vagrant environments - Deploy apps using Heroku - Have familiarity with the WHM/cPanel interface and backend - Use Amazon S3 for user photo strange and possible hosting - Understand Domain Name management - Configure and maintain servers (Ubuntu) - Create and maintain software documentation - Be responsible for maintaining, expanding, and scaling our site - Be familiar with emerging technologies/industry trends and apply them into operations and activities Requirements: - Must speak English fluently - Proven web development experience in a fast-paced environment - Ability to learn quickly and master diverse web technologies and techniques. - Aggressive problem diagnosis and creative problem solving skills - Strong organizational skills to juggle multiple tasks within the constraints of timelines and budgets with business acumen - Top-notch programming skills and in-depth knowledge of modern Python, Django, HTML, CSS, and Javascript - Ability to deploy with Heroku and parse the analytics provided - A solid understanding of how web applications work including security, session management, and best development practices - Ability to set up, run, and update a Vagrant environment - Adequate knowledge of relational database systems (PostgresSQL in particular), Object - Oriented Programming, and web application development - Experience with Amazon S3 - Thorough understanding of domain name management - Thorough understanding of WHM/cPanel - Ability to configure and maintain servers (Ubuntu) Additional: - Basic knowledge of Search Engine Optimization process - Hands-on experience with network diagnostics, network analytics tools - BS in computer science or a related field ... . - Aggressive problem diagnosis and creative problem solving skills - Strong organizational skills to juggle multiple tasks within the constraints of timelines and budgets with business acumen - Top-notch programming skills and in-depth knowledge of modern Python, Django, HTML, CSS, and Javascript - Ability to deploy with Heroku and parse the analytics provided - A solid understanding of how web applications work including security, session management, and best development practices - Ability to set up, run, and update a Vagrant environment - Adequate knowledge of relational database systems (PostgresSQL in particular), Object - Oriented Programming, and web application development - Experience with Amazon S3 - Thorough understanding of domain name management - Thorough understanding of WHM/cPanel - Ability to configure and maintain servers (Ubuntu) Additional: - Basic knowledge of Search Engine Optimization process - Hands-on experience with network diagnostics, network analytics tools - BS in computer science or a related field