Apache Pinot Daily Email Digest (2021-03-26)

Pinot Slack Email Digest Fri, 26 Mar 2021 19:00:23 -0700

#general

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@zsolt: in the documentation about Stream Ingestion with Upsert says that the input stream has to be partitioned by the primary key. Is this a literal requirement, or it just means that messages of the same PK must be in the same partition, so it can be achieved with a different key too? ie. using only a subset of pk fields, which is coarser partitioning but still has the property of having all messages of a PK in one partition.
@g.kishore: All messages of a key must be in same partition

#random

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#feat-presto-connector

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#troubleshooting

@chxing: Hi ALL
@chxing: I use PERCENTILEMV operations to select data , but no response, anyone one know why?
@mayanks: The timeUsed suggests it timed out after 10s
@mayanks: You might want to try out the tdigest version of percentile which might be faster (but approximate).
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#pinot-dev

@khushbu.agarwal: Hi, is there a way to redirect the pinot server, controller and broker logs to stdout in the kubernetes installation?
@g.kishore: You have to configure the log4j appropriately
@khushbu.agarwal: Also is there log roll-up in place? Or that needs to be taken care of?
@g.kishore: it should be adjusted
@g.kishore: will be great if you can contribute the log4j file once you get it working
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