Hi Sudhakar, As per MarkLogic Documentation (I took below information from the inside-marklogic-server-r7.pdf).
A single machine may manage several forests, or in a cluster (when acting as an E-node, an evaluator) it might manage none. Forests can be queried in parallel, so placing more forests on a multi-core server can help with concurrency. Depending on the workload, you might have one forest corresponding to every physical core on a box, or sometimes a forest for every two cores, with each forest holding millions or tens of millions of documents and perhaps a hundred gigabytes. In a clustered environment, you can have a set of servers, each managing their own set of forests, all unified into a single database However as per my experience, number of documents should be less in the forest for better performance. Data must be distribute evenly in all the nodes in your clustered environment. ML7 has built-in feature. you have to select appropriate settings only. For long Database, make sure merging policy is also defined properly. Please read the PDF for more information, https://developer.marklogic.com/pubs/architecture/inside-marklogic-server-r7.pdf Hope this helps! Thank You! On Wed, Apr 1, 2015 at 2:03 PM, Shashidhar Rao <[email protected]> wrote: > Hi, > > Can someone help me with configuring the optimum number of Forests for a > database . Details below > > Size of data is 1 TB. Format all xml files. > > I would like to know which one will be better option > > 1. 1 database say testdb and default forest- I think this would be slow. > 2. 1 database and say ( here how many forest should I create to extract > maximum performance ) > What criteria should I decide to create the number of forest . I am > thinking of 250GB per forest so around 4-5 forest. Is it correct? > > Please let me know. > > Thanks > sd > > _______________________________________________ > General mailing list > [email protected] > Manage your subscription at: > http://developer.marklogic.com/mailman/listinfo/general > >
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