My friend asked me to check about error in alert log file - "dispatcher 'D000' encountered error getting listening address
". After checked, I found.
Wed Feb 12 09:46:27 2014
dispatcher 'D000' encountered error getting listening address
Wed Feb 12 09:46:27 2014
found dead dispatcher 'D000', pid = (17, 154)
I checked trace file about d000 processed.
Trace file /u01/app/oracle/diag/rdbms/prod/PROD/trace/PROD_d000_31988.trc
Oracle Database 11g Release 22.214.171.124.0 - 64bit Production
On Oracle Database, DBAs can check broken job for Oracle Job (dbms_job) at *_JOBS.BROKEN column. Anyway, DBAs have changed from DBMS_JOB to DBMS_SCHEDULER. So, I was curious How to check broken job for Oracle Scheduler (DBMS_SCHEDULER)?
After found out... DBAs can check on *_SCHEDULER_JOBS.STATE
|Current state of the job:|
When does Oracle Scheduler change STATE to be BROKEN?
Java is a programming language and computing platform. You will see lots of applications and websites that are written in Java. Java is fast, secure and reliable. How about performance? Java performance is a matter of concern because lots of business software has been written in Java.
I mention a book titles - Java Performance: The Definitive Guide
By Scott Oaks
. Readers will learn about the world of Java performance. It will help readers (more...)
Amazon Elastic MapReduce
(Amazon EMR) is a web service that makes it easy to quickly and cost-effectively process vast amounts of data. Amazon EMR uses Hadoop, an open source framework, to distribute your data and processing across a resizable cluster of Amazon EC2 instances.
Anyway, You are looking for a book (more...)
What did I mean? Actually, I thought how to rename "ADMIN" user?or How to rename "Email Address" on Multitenant Self-Service Provisioning? Why I interested in it?
I created New Database by using "ADMIN" user.
I didn't get email about credentials (Because no email address for ADMIN user
I didn't write about setting SQL Developer to connect PDB. I just tested connection by using SQL Developer with pdb_admin. As you know - The PDB_ADMIN user in newly created PDBs has SYSDBA system privilege so it can fully manage the PDB.
SQL> conn / as sysdba
SQL> alter (more...)
Last post, I posted about Oracle Multitenant Self-Service Provisioning - BETA 2
and read more about what changes have been made in this Beta 2 release.
Users with the PDBA role in the Oracle Multitenant Self-Service Provisioning application can only view PDBs that they created or have been made an (more...)
Got news on tweeter about Multitenant Self-Service Provisioning - BETA 2
. It's very interesting. You will find something change. For example On Oracle Multitenant Self Service Provisioning - BETA 1 runs in APEX pdb
(Downloaded pdbss_1030.zip and installed)This version, the Oracle Multitenant Self-Service Provisioning application now runs in (more...)
Big Data Analytics
is the process of examining large amounts of data of a variety of types (big data) to uncover hidden patterns, unknown correlations and other useful information. It's helpful with companies to make better business decisions.What is Big Data Analytics?Big Data Analytics From Strategic Planning to (more...)
is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. All of these kinds of services are used in some form or another by distributed applications.
Why you have to learn about Zookeeper? If you are using application as Hbase, Neo4j, Solr, (more...)
Found Video Lecture Series: Data Science Boot Camp
. It's very great for learning. I hope readers will get benefit from it. I learned a bit about it Today and downloaded Example Code to play. Lesson 1: I learned to use Flume Agent and read data by Hive.
Terminal 1: run (more...)
Thank You for comment on my post - Learned a bit - ACCUMULO
. So, I modified "<name>general.classpaths</name>"
in conf/accumulo-site.xml file. It works -:)
Add the following for hadoop-2.0
After learned a bit - ACCUMULO
. I could monitor by http://localhost:50095/status
. How to use HTTPS?
It's very easy - Create Certificate and Modify accumulo-site.xml file.Example:
[root@centos01 bin]# ./generate_monitor_certificate.sh
What is your first and last name?
[Unknown]: Surachart Opun
What is the name of your organizational unit?
The NSA started building Accumulo in 2008 and used the Google Big Table architecture as a starting point. Accumulo
is NoSQL database that is a simple key/value data store. BTW, Accumulo joined the Apache community in 2011.
Why Accululo is interesting? Security! It's developed from the BigTable data model and (more...)
Today. I have installed Hadoop distribution from Bigtop 0.6.0 on CentOS 6
. It's very cool and easy for installation. After installation, I had a chance to read a bit about Apache Accumulo
, it's a highly scalable structured store based on Google's Big Table. Accumulo is written in (more...)
I installed OSWatcher on Linux and want to Start OSWatcher Black Box (OSWBB) every system boot. I suggest you download package on Oracle Support - How To Start OSWatcher Black Box (OSWBB) Every System Boot (Doc ID 580513.1)
. If not? You might write simple script.Install:
[oracle@test12c ~]$ pwd
This post was writing about a book that helps readers to mine the Social Web - Mining the Social Web, 2nd Edition Data Mining Facebook, Twitter, LinkedIn, Google+, GitHub, and More
By Matthew A. Russell
Before Readers start with a book. Readers can read some links about it.http://miningthesocialweb. (more...)
OPatch requirement for October 2013:
- OPatch 126.96.36.199.1 for Database PSU 188.8.131.52.1
- OPatch 184.108.40.206.2 for GI PSU (more...)
- It's about values of qualitative or quantitative variables, belonging to a set of items, that is defined by the three V's (IBM - 4 V's
: large amounts of data
: the data comes in different forms, including traditional databases, images, (more...)