Slow insertion and updating of Ticker.push
#1
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ssut
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Sep 20, 2017
Previously the behavior and the plan were correct but the performance was lower than might be expected. In particular there was a problem: * The internal handling of Mixed type in MongoDB ain't good for the case when it is a time-series data, causing more document access.
ssut
added a commit
that referenced
this issue
Sep 20, 2017
Previously the behavior and the plan were correct but the performance was lower than might be expected. In particular there was a problem: * The internal handling of Mixed type in MongoDB ain't good for the case when it is a time-series data, causing more document access.
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It seems very slow updating existing fields, as long as this is a common case for the condition where we have a large document, which has many fields that needs to be individually reachable.
One solution to this is: Pre-populate a document with the needed fields, since they are in continuous time-series, do it with rounding in steps of seconds. (e.g. 5 or 10)
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