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Posted to notifications@couchdb.apache.org by GitBox <gi...@apache.org> on 2020/07/26 04:39:40 UTC
[GitHub] [couchdb-nano] hamedminaee opened a new issue #228: Can I create a couchdb database with shard param?
hamedminaee opened a new issue #228:
URL: https://github.com/apache/couchdb-nano/issues/228
If I want to create a couch db with curl setting a shard number I need I do it this way:
curl -X PUT http://test:test@127.0.0.1:5984/test-1?q=20
However when I create a db using couch I do not know how to pass q=20. Is it possible to do so in Nano?
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[GitHub] [couchdb-nano] wohali commented on issue #228: Can I create a couchdb database with shard param?
Posted by GitBox <gi...@apache.org>.
wohali commented on issue #228:
URL: https://github.com/apache/couchdb-nano/issues/228#issuecomment-664098664
If it is a single, standalone server, you can't change `n` from its default value of `1`.
CouchDB won't allow creation of multiple replicas on a single server. To have 5 copies, you'd need at least 5 servers in your cluster.
Also, nowhere do we recommend that `n` should be `q/2`. By default, on a 3-node server, CouchDB 2.x creates `q=8, n=3` databases, and 3.x uses `q=2, n=3`.
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[GitHub] [couchdb-nano] hamedminaee closed issue #228: Can I create a couchdb database with shard param?
Posted by GitBox <gi...@apache.org>.
hamedminaee closed issue #228:
URL: https://github.com/apache/couchdb-nano/issues/228
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[GitHub] [couchdb-nano] janl commented on issue #228: Can I create a couchdb database with shard param?
Posted by GitBox <gi...@apache.org>.
janl commented on issue #228:
URL: https://github.com/apache/couchdb-nano/issues/228#issuecomment-663970142
Looks like you can pass options: https://github.com/apache/couchdb-nano/blob/master/lib/nano.js#L353
Can you try this: `nano.db.create('foo', {q:1})`?
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[GitHub] [couchdb-nano] wohali edited a comment on issue #228: Can I create a couchdb database with shard param?
Posted by GitBox <gi...@apache.org>.
wohali edited a comment on issue #228:
URL: https://github.com/apache/couchdb-nano/issues/228#issuecomment-664098664
If it is a single, standalone server, you can't change `n` from its default value of `1`.
CouchDB won't allow creation of multiple replicas on a single server. To have 5 copies, you'd need at least 5 servers in your cluster.
Also, nowhere do we recommend that `n` should be `q/2`. By default, on a 3-node cluster, CouchDB 2.x creates `q=8, n=3` databases, and 3.x uses `q=2, n=3`.
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[GitHub] [couchdb-nano] hamedminaee commented on issue #228: Can I create a couchdb database with shard param?
Posted by GitBox <gi...@apache.org>.
hamedminaee commented on issue #228:
URL: https://github.com/apache/couchdb-nano/issues/228#issuecomment-692827883
Thank you 🙏
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[GitHub] [couchdb-nano] hamedminaee commented on issue #228: Can I create a couchdb database with shard param?
Posted by GitBox <gi...@apache.org>.
hamedminaee commented on issue #228:
URL: https://github.com/apache/couchdb-nano/issues/228#issuecomment-664057755
@janl Thanks a lot yes that worked. :)
A quick question when I pass this: this._db.create(databaseName, {q:10, n:5}). I can see q is 10 for created db but n is is still 1 rather than 5. However I do n ot think it is a nano issue as when I do the same with curl still n is 1. Is there any criteria for running couch to be able to set n to a higher number? Because by convention they say n should be q/2 so if my q is 10 I want n to be 5
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