Introduction The following tips will ensure that you are achieving optimum performance from your production Oracle Commerce Endeca environment. Main Article...
Introduction The following tips will ensure that you are achieving optimum performance from your production Oracle Commerce Endeca environment. Main Article Make sure Preview isn't enabled in production /dyn/admin/nucleus/atg/endeca/assembler/cartridge/manager/AssemblerSettings/ : Make sure previewEnabled = false Setting this to true will return back too much merch rule data with the results. You can confirm this by looking at the Dgraph.reqlog, and looking...
Introduction The following tips will ensure that you are achieving optimum performance from your production Oracle Commerce Endeca environment. Main Article Make sure Preview isn't enabled...
When it comes to persisting service and subsystems data (i.e. JMS), WebLogic server offers customers a choice: filesystem or relational database using JDBC. ...
When it comes to persisting service and subsystems data (i.e. JMS), WebLogic server offers customers a choice: filesystem or relational database using JDBC. Persistence store has implications on WLS performance and systems management. In this post, I will provide an unofficial JMS performance comparison using different persistence stores. PLEASE NOTE: This is not an official Oracle performance benchmark. It is just intended as an example to give readers an idea about...
When it comes to persisting service and subsystems data (i.e. JMS), WebLogic server offers customers a choice: filesystem or relational database using JDBC. Persistence store has implications on WLS...
Introduction This is part 4 of a 4 part blog explaining how the BPM engine functions under the covers when "faults" occur, be they unhandled technical faults or...
Introduction This is part 4 of a 4 part blog explaining how the BPM engine functions under the covers when "faults" occur, be they unhandled technical faults or failures at the engine level. Part 1 can be found here. Part 4: BPM Message Recovery Idempotence It is vitally important to understand the conept of idempotence, i.e. the ability to replay activities more than once without any adverse impact. As an example, an activity to credit money to a bank account would not be...
Introduction This is part 4 of a 4 part blog explaining how the BPM engine functions under the covers when "faults" occur, be they unhandled technical faults or failures at the engine level. Part...
Introduction This is part 2 of a 4 part blog explaining how the BPM engine functions under the covers when "faults" occur, be they unhandled technical faults or...
Introduction This is part 2 of a 4 part blog explaining how the BPM engine functions under the covers when "faults" occur, be they unhandled technical faults or failures at the engine level. Part 1 can be found here. Part 2: Understanding BPM Messages, Threads & Transactions Given SOA Suite & BPM’s ability to control timeouts and to handle faults, why do we need to understand any further inside the BPM engine ? Well, there are always going to be exceptional circumstances,...
Introduction This is part 2 of a 4 part blog explaining how the BPM engine functions under the covers when "faults" occur, be they unhandled technical faults or failures at the engine level. Part...
Introduction This posting explains how to use parallelism to improve performance of Oracle Event Processing (OEP) applications with active-active...
Introduction This posting explains how to use parallelism to improve performance of Oracle Event Processing (OEP) applications with active-active high-availability (HA) deployments. Parallelism is exploited for performance gain in each one of the server instances of an HA configuration. This is achieved by identifying sections of an application’s processing pipeline that can operate in parallel, and, therefore, can be mapped to separate processing threads. Both pipeline and...
Introduction This posting explains how to use parallelism to improve performance of Oracle Event Processing (OEP) applications with active-active high-availability (HA) deployments. Parallelism is...
Recently, I came across a requirement of serving 50,000 concurrent users within an OAM deployment. To hold this requirement, the first thing we need to make...
Recently, I came across a requirement of serving 50,000 concurrent users within an OAM deployment. To hold this requirement, the first thing we need to make sure that the web tier scales well and can support such large number of concurrent requests at the same time. Tuning of OHS configuration parameters is always a challenge, especially when it belongs to an OAM stack where the requirement is to support such high number of concurrent sessions. One has to be careful as...
Recently, I came across a requirement of serving 50,000 concurrent users within an OAM deployment. To hold this requirement, the first thing we need to make sure that the web tier scales well and...
I've talked about the subject of long lived TCP connections and load balancers for years, explaining to people why they may not need or want to use a load...
I've talked about the subject of long lived TCP connections and load balancers for years, explaining to people why they may not need or want to use a load balancer between two servers. Each time I explain it I remind myself that I should probably write it down so I can just point to the URL. So today is the day that I write it down for you. Before we get into the guts of this we should start by defining a couple of terms: By long-lived connection I mean TCP connections that...
I've talked about the subject of long lived TCP connections and load balancers for years, explaining to people why they may not need or want to use a load balancer between two servers. Each time I...
Introduction When leveraging the Oracle Database Adapter (DB Adapter) using the Distributed Polling feature, understanding what is going on under the covers can...
Introduction When leveraging the Oracle Database Adapter (DB Adapter) using the Distributed Polling feature, understanding what is going on under the covers can help with the tuning effort. This blog will attempt to demystify the configuration and behavior of Distributed Polling with SKIP LOCKED. Main Article Oracle SOA Suite 11g offers a set of Java EE Connector Architecture (JCA) technology adapters for various integration scenarios. One of the more common scenarios is...
Introduction When leveraging the Oracle Database Adapter (DB Adapter) using the Distributed Polling feature, understanding what is going on under the covers can help with the tuning effort. This blog...
Note: This article provides an approach to implement compression in OSB 11g. OSB 12c supports compression OOTB. For details please refer to the following...
Note: This article provides an approach to implement compression in OSB 11g. OSB 12c supports compression OOTB. For details please refer to the following documentation: Compressed HTTP Request and Response Payload Support HTTP compression is a mechanism that enables client and server to exchange compressed data over HTTP to improve performance by better use the bandwidth. Oracle Service Bus (OSB) doesn't support gzip compression by default, this might create a potential...
Note: This article provides an approach to implement compression in OSB 11g. OSB 12c supports compression OOTB. For details please refer to the following documentation: Compressed HTTP Request...
