Trigger callback chain when reached limit. #2204
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Any plans to merge this? I recently built from this branch and I fixed tons of issues we were experiencing with querying high cardinality metrics. |
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fix #839
In clusters containing tags with high cardinality a query over multiple tags can easily overflow the maximum size of the callback chain resulting in a CallbackOverflowError when creating the callback chain for writing the resulting json output. This change writes the json in chunks to avoid the overflow error.
This PR supercedes #2150