Develop #12
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Develop #12
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Fixed bugs: - The current implementation of the web preemption does not allow to suspend a query soon enough after the end of its quantum. The mechanism has been updated to better respect quanta. - Queries resume time can be quite long because data are fetched by page at each call to the database. To minimize queries resume time, the page size is set to 1 during the resume step.
Implementation of a new backend that allow to store and retrive data from HBase. /!\ Warning: The backend does not work... there is a connection issue that need to be fix: "No protocol version header"
Fixes bugs with the HBase backend.
When resuming a query, protobuf dictionnary wasn't cast into python dictionnary, while protobuf dictionnary are not json serializable.
Adds back the ORDER BY clauses in backends SQL queries. ORDER BY clauses force the database optimizer to use the most appropriate indexes.
…layout The SQlite optimizer seems to perform badly when using ROW-Values with scalar subqueries. To improve performance, terms identifier are retrieved first, and then injected into the resume/start query.
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Preparing SaGe 2.3.0