For more information about Oracle (NYSE:ORCL), visit. Oracle offers a comprehensive and fully integrated stack of cloud applications and platform services. After you download Oracle (either Oracle Express or the full database), and an IDE of your choice (such as SQL Developer), it should be easy to set up a new connection and log in. My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts. One of the hardest parts about learning Oracle SQL is getting the database connection working. To view full details, sign in with your My Oracle Support account.ĭon't have a My Oracle Support account? Click to get started! In this specific case Coherence*Web is not being used and this article is not applicable to that environment. This article will demonstrate a simple technique, suitable for JSP or Servlet based web applications which are interacting with a Coherence cluster using the Coherence for Java APIs. Is there any config we can provide to speed up initialisation Can we configure the number of expected nodes (e.g. Coherence lazily initializes services and as a result code using the API to work with caches won't join the cluster until the first call is made to perform work with a cache. We are currently evaluating Coherence 3.5 and noticed that it is considerably slower starting up than 3.4 (the first node) and has occasionally timed out and failed to start up.
Making an initial connection to a Coherence cluster, be it as a member of the cluster or over Coherence*Extend, to perform an operation does add overhead as the cache configuration is loaded and parsed and the connection is created and membership negotiated. Objects in the cache can either be of XML or POJO (Plain Old Java Object) type. Information in this document applies to any platform. The Coherence Adapter is a JCA 1.5-compliant resource adapter for Oracle Coherence. Oracle Coherence - Version 3.5.3 and later
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How To Speed Up The First Connection To A Coherence Cluster From A Web Application
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