On 5/22/14 9:50 AM, Kingsley Idehen wrote:
Is it normal that re-loading the data takes significantly more time than dumping it?Regards, BartYes, for the following reasons: 1. Exporting is just about writing to files2. Importing is about indexing and writing to internal identifiers (named graph IRIs).You can speed up you loads by running multiple loaders in parallel. Even better if you are using the cluster edition as the same source files could be copied to multiple physical cluster nodes where each is running multiple loaders.Links:[1] http://bit.ly/11pPq6F -- old bulking load report re., Virtuoso 7 and LOD Cloud Cache.
To be precise, I meant to say: 1. Exporting is just about writing to files2. Importing is about writing to *internal documents* (data partitions or sources) denoted by named graph IRIs and indexing.
-- Regards, Kingsley Idehen Founder & CEO OpenLink Software Company Web: http://www.openlinksw.com Personal Weblog: http://www.openlinksw.com/blog/~kidehen Twitter Profile: https://twitter.com/kidehen Google+ Profile: https://plus.google.com/+KingsleyIdehen/about LinkedIn Profile: http://www.linkedin.com/in/kidehen
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