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From hbdeshmukh <...@git.apache.org>
Subject [GitHub] incubator-quickstep pull request #219: QUICKSTEP-83 Measure memory consumpti...
Date Tue, 21 Mar 2017 23:15:47 GMT
Github user hbdeshmukh commented on a diff in the pull request:

    --- Diff: query_execution/QueryContext.cpp ---
    @@ -58,7 +59,8 @@ QueryContext::QueryContext(const serialization::QueryContext &proto,
                                const CatalogDatabaseLite &database,
                                StorageManager *storage_manager,
                                const tmb::client_id scheduler_client_id,
    -                           tmb::MessageBus *bus) {
    +                           tmb::MessageBus *bus)
    +    : database_(static_cast<const CatalogDatabase&>(database)) {
    --- End diff --
    That would give us partial information - we will miss information about blocks which get
full during the operator execution. Right now, the way we find out the memory occupied by
a temporary relation is simply by estimating size of each block and multiplying that with
the number of blocks in the temporary relation. 

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