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Type:
Bug
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Resolution: Works as Designed
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Priority:
Major - P3
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Affects Version/s: 1.6.0
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Component/s: AsyncWriter
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None
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Needed
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I try to migrate my scripts to new mongosh, but is seems to be still a nightmare...
I have a logging framework like this:
class Logger {
constructor(logId) {
Object.defineProperty(this, 'logId', { value: logId });
Object.defineProperty(this, 'action', { value: -1, writable: true });
}
set Command(cmd) {
db.logging.updateOne({ _id: this.logId }, { $set: { [`action.${this.action}.command`]: cmd } });
}
unsetCommand(i, duration) {
db.logging.updateOne({ _id: this.logId }, { $set: { [`action.${i}.duration`]: duration }, $unset: { [`action.${i}.command`]: null } });
}}
var doc = db.logging.insertOne({
script: "updateStats",
timestamp: ISODate(),
action: [],
state: 'running'
});
var logger = new Logger(doc.insertedId);
for (let i = 0; i < 10; i++) {
db.logging.findOneAndUpdate({ _id: logger.logId }, { $push: { action: { ts: ISODate(), name: "connectReplicaSet" } } });
logger.action = i;
logger.Command = `command #${i}`;
logger.unsetCommand(i, 11);
}
db.logging.updateOne({ _id: logger.logId }, { $set: { duration: 123, state: 'success' } });
db.logging.findOne({ _id: logger.logId }).action.filter(x => x.command !== undefined)
The last command {{db.logging.findOne(
{ _id: logger.logId }).action.filter(x => x.command !== undefined)}} typically returns a few documents, i.e. {{$unset: { [`action.${i}.command`]: null } }} did not work.
Typically on 20-50% of the commands the update is not written to database.
I tried with different writeConcern and {{(async () =>
{ db.logging.updateOne(...) })()}} but none of them is working reliable. In legacy mongo shell it is always working fine.
Any suggestions?
Wernfried Domscheit