5
votes
Failed to import a mongodb database with duplicate fields
I have successfully upgraded a database from 2.4 to 4.0 using the following 3 step method:
use 2.4 mongobackup on the 2.4 database
delete all .json files from the outputted dump directory
use 4.0 ...
- 151
4
votes
Failed to restored indexes using mongorestore - MongoDB
For the people who will come here in the future the issue was, I was using MongoDB 4.0 on the local and server was on 4.2:
Starting in version 4.2, mongodump uses Extended JSON v2.0 (Canonical) ...
- 213
3
votes
Mongodb _id Value and Indexes Are Lost During Mongorestore
Can anyone share their restore experiences that restored both indexes and mongodb_id?
As per MongoDB documentation here By default, mongorestore looks for a database backup in the dump/ directory.
New ...
- 6,085
2
votes
Failed to import a mongodb database with duplicate fields
As you said you are trying to import a MongoDB database, And you are using the MongoDB command such as mongorestore. And also as you said you have taken mongodump backup of MongoDB database , which ...
- 6,085
2
votes
MongoDB import bson files from a folder
mongorestore -d demo -c dcoll C:\data\dump\twitter\tweets.bson
As i have gone through your MongoDB syntax query it seems to be correct.
As per your script code demo is database and dcoll is ...
- 6,085
2
votes
Accepted
How do I restore a database using MongoDB 5.0 CLI?
Excerpt from - https://docs.mongodb.com/database-tools/
Starting with MongoDB 4.4, the MongoDB Database Tools are now released separately from the MongoDB Server and use their own versioning, with an ...
- 94
2
votes
Accepted
Rename all databases when doing a mongorestore?
Should be this one:
mongorestore --nsInclude="PetHotel.*" --nsFrom='PetHotel.*' --nsTo='PetHouse.*' dump/
mongorestore --nsInclude='*.*' --nsFrom='$database$.*' --nsTo='$database$2.*' dump/
...
- 2,447
1
vote
Accepted
mongodump and restore in single command
You mean like this:
mongodump --archive --db=test --port=27017 | mongorestore --archive --port=27018
- 5,198
1
vote
Failed to import a mongodb database with duplicate fields
Problem is in metadata.json files. You need to remove 'options' and it will work just fine. I even created small python tool to do this:
from glob import glob
import json
for filename in sorted(glob('...
- 111
1
vote
Accepted
mongorestore from multiple dumps
Find below the wordings from MongoDB official documentation (Insert Only) :
mongorestore can create a new database or add data to an existing database. However, mongorestore performs inserts only and ...
- 774
1
vote
MongoDB - Mongorestore is not working as expected
Based on the oplog file you uploaded, the minimum timestamp is 1552888560 and maximum timestamp is 1553063754. But the --oplogLimit=1552828432 you mentioned in your question is not within the limit, ...
- 774
1
vote
MongoDB - Mongorestore is not working as expected
As per MongoDB jira blog here mongorestore --oplog will not apply oplog entries captured during the mongodump operation, and exit with an error when attempting to use mongorestore with the restore ...
- 6,085
1
vote
Amount of Data transferred out in mongorestore
MongoDB 3.4 and newer servers can negotiate network compression if MongoDB clients/drivers have also been updated to support the compressed message format. Network compression was introduced as an ...
- 9,805
1
vote
Accepted
Assertion failure _state.get() error in MongoDB during mongorestore
With a 32-bit O/S the total addressable file size for MongoDB's MMAP storage engine is limited to ~2GB of data including indexes (and journal, if enabled). Given the 32-bit limitations for memory-...
- 9,805
Only top scored, non community-wiki answers of a minimum length are eligible