New answers tagged mongodb-4.0
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I found a solution where i configure rsyslog to pick up that file and forward it to my target server.
# RSyslog Configuration for MongoDB /etc/rsyslog.d/mongod.conf
$ModLoad imfile
$InputFileName /var/log/mongodb/mongod.log
$InputFileTag mongodb
$InputFileStateFile mongodb-state
$InputFileFacility local3
$InputRunFileMonitor
local3.* action(type="omfwd" ...
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The below query will join both the tables and return the sum based on order date,
db.order_fact.aggregate([{"$lookup":{"from":"date","localField":"Id_Date","foreignField":"Id_Date","as":"dateDetails"}},{"$unwind":"$dateDetails"},{"$group":{"_id":{"date":"$dateDetails.OrderDate"},"totalPrice":{"$sum":"$TotalPrice"}}}])
Thanks,
Rilwan
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As per MongoDB documentation here Changed in version 3.2: $sum is available in the $group and $project stages. In previous versions of MongoDB, $sum is available in the $group stage only.
When used in the $group stage, $sum has the following syntax and returns the collective sum of all the numeric values that result from applying a specified expression to ...
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As per MongoDB Blog documentation here By checking CPU, memory, and disk space metrics you make sure your MongoDB processes have sufficient resources available.
CPU - MongoDB will deliver better performance on faster CPUs. When
monitoring virtual machines, also monitor the virtual host that the
machines run on. Numbers like CPU ready time are of particular
...
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