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Consulta de error de Mongo ExceededMemoryLimitNoDiskUseAllowed

Obteniendo este error, cuando estoy usando esta consulta:

 db2.collection('candata') .aggregate([{$sort:{time:-1}},{$group:{_id:{batteryId:"$batteryId"},soctime:{$first:"$time"},GPSStatus:{$first:"$GPSStatus"},CANStatus:{$first:"$CANStatus"},soc: { $first : "$socpercentage" },charging_status: { $first : "$charging_status" },status: { $first : "$status" }}},{$sort:{'_id.batteryId':1}},{$lookup:{from : "swap_table",localField : "_id.batteryId",foreignField:"batteryId",as:"swap"}},{$lookup:{from : "battery_status_table",localField : "_id.batteryId",foreignField:"batteryId",as:"battery_statustb"}}])

¿Qué cambio tengo que hacer? No quiero cambiar la consulta, entonces, ¿cómo aumentar el límite de esto, o necesito ir a algún método de archivo de datos?

about 4 years ago · Santiago Trujillo
2 answers
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Agregue allowDiskUse y configúrelo como verdadero al final de su consulta para que sea como lo siguiente:

 db2.collection('candata') .aggregate([{$sort:{time:-1}},{$group:{_id:{batteryId:"$batteryId"},soctime:{$first:"$time"},GPSStatus:{$first:"$GPSStatus"},CANStatus:{$first:"$CANStatus"},soc: { $first : "$socpercentage" },charging_status: { $first : "$charging_status" },status: { $first : "$status" }}},{$sort:{'_id.batteryId':1}},{$lookup:{from : "swap_table",localField : "_id.batteryId",foreignField:"batteryId",as:"swap"}},{$lookup:{from : "battery_status_table",localField : "_id.batteryId",foreignField:"batteryId",as:"battery_statustb"}}]).allowDiskUse(true)
about 4 years ago · Santiago Trujillo Report

0

Agregue allowDiskUse con segundos parámetros de la función agregada, así:

 agg = [{$sort:{time:-1}},{$group:{_id:{batteryId:"$batteryId"},soctime:{$first:"$time"},GPSStatus:{$first:"$GPSStatus"},CANStatus:{$first:"$CANStatus"},soc: { $first : "$socpercentage" },charging_status: { $first : "$charging_status" },status: { $first : "$status" }}},{$sort:{'_id.batteryId':1}},{$lookup:{from : "swap_table",localField : "_id.batteryId",foreignField:"batteryId",as:"swap"}},{$lookup:{from : "battery_status_table",localField : "_id.batteryId",foreignField:"batteryId",as:"battery_statustb"}}] db2.collection('candata').aggregate(agg, allowDiskUse=True)
about 4 years ago · Santiago Trujillo Report
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