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While implementing elasticsearch with mongodb and nodejs, I am using mongoosastic and elmongo module. These are working very well. But I just want to find out what is the advantage of using mongo-river plugin over node modules. And Is it necessary to use replica set when using river?

Thanks in advance

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Use mongo-connector instead. you can learn more about mongo-connector in my blog. here is the link

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link is broken. Also, try to summarize what is in that page , in case , the link is broken
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River doesn't update in realtime, it reads oplogs from mongodb, and this can delay updates. The oplog has a finite capacity as a capped collection and when its full it works like a circular queue, replacing the oldest entries with new entries.

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@ishakya I have one thing to share with you well could you lemme know how you did above one because i am unable to please update me regarding it Thanks With REgards

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