Clik here to view.
Debugging parameter mismatch across RAC database instances with R, dba_hist,...
Did you find this post useful? Does your organization need Oracle services? We can help. Much of this morning went into investigating strange ADDM reports on a two-node Oracle RAC database. For...
View ArticleOracle ORION I/O benchmark results for AWS EC2 hi1.4xlarge instance type
In a typical Oracle database implementation, you’ll want to baseline or benchmark your storage. The storage team will hand over, and you’ll run a battery of tests using software like bonnie++ or...
View ArticleConnecting R to an Oracle database with RJDBC
In many circumstances, you might want to connect R directly to a database to store and retrieve data. If the source database is an Oracle database, you have a number of options: ROracle RODBC RJDBC...
View ArticleClik here to view.
Plotting Oracle RMAN backup durations with R
How long does your Oracle RMAN backup take to complete? How does this vary over time? Are there patterns by week, week of month, or day of week? The gist below can help you evaluate questions...
View ArticleClik here to view.
Plotting average read and write operation size by ASM disk for Oracle
Throughput, throughput, throughput – for many databases, this is the performance measure of importance. When you are working with a fixed number of IOPS but see mixed workload types, system health...
View ArticleDebugging ORA-02292: integrity constraint (OWNER.CONSTRAINT) violated – child...
Did you find this post useful? Does your organization need Oracle services? We can help. Working with Oracle databases can be daunting to developers and analysts who lack a deep understanding of...
View ArticleClik here to view.
OTM in the Cloud: Hosting Architectures, Part 2 – 1+RDS
In our last post on cloud architectures, I covered a simple one-node Oracle Transportation Management instance on Amazon Web Services using EC2. This OTM cloud hosting configuration is well-suited...
View ArticleClik here to view.
OTM in the Cloud: Hosting Architectures, Part 2 – 1+RDS
In our last post on cloud architectures, I covered a simple one-node Oracle Transportation Management instance on Amazon Web Services using EC2. This OTM cloud hosting configuration is well-suited...
View ArticleClik here to view.
Debugging parameter mismatch across RAC database instances with R, dba_hist,...
Did you find this post useful? Does your organization need Oracle services? We can help. Much of this morning went into investigating strange ADDM reports on a two-node Oracle RAC database. For...
View ArticleClik here to view.
OTM in the Cloud: Hosting Architectures, Part 2 – 1+RDS
In our last post on cloud architectures, I covered a simple one-node Oracle Transportation Management instance on Amazon Web Services using EC2. This OTM cloud hosting configuration is well-suited...
View ArticleClik here to view.
Debugging parameter mismatch across RAC database instances with R, dba_hist,...
Did you find this post useful? Does your organization need Oracle services? We can help. Much of this morning went into investigating strange ADDM reports on a two-node Oracle RAC database. For...
View ArticleOracle ORION I/O benchmark results for AWS EC2 hi1.4xlarge instance type
In a typical Oracle database implementation, you’ll want to baseline or benchmark your storage. The storage team will hand over, and you’ll run a battery of tests using software like bonnie++ or...
View ArticleConnecting R to an Oracle database with RJDBC
In many circumstances, you might want to connect R directly to a database to store and retrieve data. If the source database is an Oracle database, you have a number of options: ROracle RODBC RJDBC...
View ArticleClik here to view.
Plotting Oracle RMAN backup durations with R
How long does your Oracle RMAN backup take to complete? How does this vary over time? Are there patterns by week, week of month, or day of week? The gist below can help you evaluate questions...
View ArticleClik here to view.
Plotting average read and write operation size by ASM disk for Oracle
Throughput, throughput, throughput – for many databases, this is the performance measure of importance. When you are working with a fixed number of IOPS but see mixed workload types, system health...
View Article
