mongorestore --port 15000 --db my_db --drop -vvvvv  my_db
2019-07-11T11:31:09.833+0300    checking options
2019-07-11T11:31:09.834+0300            dumping with object check disabled
2019-07-11T11:31:09.852+0300    connected to node type: standalone
2019-07-11T11:31:09.853+0300    standalone server: setting write concern w to 1
2019-07-11T11:31:09.853+0300    using write concern: w='1', j=false, fsync=false, wtimeout=0
2019-07-11T11:31:09.853+0300    mongorestore target is a directory, not a file
2019-07-11T11:31:09.853+0300    building a list of collections to restore from my_db dir
2019-07-11T11:31:09.853+0300    reading collections for database my_db in my_db
2019-07-11T11:31:09.853+0300    found collection my_db.base bson to restore
2019-07-11T11:31:09.853+0300    found collection my_db.base metadata to restore
2019-07-11T11:31:09.853+0300    finalizing intent manager with multi-database longest task first prioritizer
2019-07-11T11:31:09.854+0300    restoring up to 4 collections in parallel
2019-07-11T11:31:09.854+0300    will listen for SIGTERM and SIGINT
2019-07-11T11:31:09.854+0300    starting restore routine with id=3
2019-07-11T11:31:09.854+0300    starting restore routine with id=0
2019-07-11T11:31:09.854+0300    ending restore routine with id=0, no more work to do
2019-07-11T11:31:09.854+0300    starting restore routine with id=1
2019-07-11T11:31:09.854+0300    ending restore routine with id=1, no more work to do
2019-07-11T11:31:09.854+0300    starting restore routine with id=2
2019-07-11T11:31:09.854+0300    ending restore routine with id=2, no more work to do
2019-07-11T11:31:09.855+0300    collection my_db.base doesn't exist, skipping drop command
2019-07-11T11:31:09.855+0300    reading metadata for my_db.base from my_db\base.metadata.json
2019-07-11T11:31:09.857+0300    creating collection my_db.base using options from metadata
2019-07-11T11:31:09.857+0300    using collection options: bson.D(nil)
2019-07-11T11:31:09.873+0300    restoring my_db.base from my_db\base.bson
2019-07-11T11:31:09.875+0300    using 1 insertion workers
2019-07-11T11:31:09.879+0300    restoring indexes for collection my_db.base from metadata
2019-07-11T11:31:09.879+0300    finished restoring my_db.base (5 documents)
2019-07-11T11:31:09.879+0300    ending restore routine with id=3, no more work to do
2019-07-11T11:31:09.880+0300    done

mongodump --port 15000 --db my_db -vvvvv -o dump
2019-07-11T11:31:29.264+0300    enqueued collection 'my_db.base'
2019-07-11T11:31:29.265+0300    dump phase I: metadata, indexes, users, roles, version
2019-07-11T11:31:29.266+0300            reading indexes for `my_db.base`
2019-07-11T11:31:29.271+0300    dump phase II: regular collections
2019-07-11T11:31:29.271+0300    will listen for SIGTERM, SIGINT and SIGHUP
2019-07-11T11:31:29.272+0300    finalizing intent manager with legacy prioritizer
2019-07-11T11:31:29.272+0300    dumping up to 1 collections in parallel
2019-07-11T11:31:29.272+0300    starting dump routine with id=0
2019-07-11T11:31:29.272+0300    writing my_db.base to
2019-07-11T11:31:29.273+0300    counted 5 documents in my_db.base
2019-07-11T11:31:29.281+0300    done dumping my_db.base (5 documents)
2019-07-11T11:31:29.283+0300    ending dump routine with id=0, no more work to do
2019-07-11T11:31:29.284+0300    dump phase III: the oplog
2019-07-11T11:31:29.284+0300    finishing dump




mongoexport --port 15000 --db my_db -c base --out base.json  -vvvvv
2019-07-11T11:52:19.735+0300    connected to: localhost:15000
2019-07-11T11:52:19.740+0300    exported 5 records

mongoimport --port 15000 --db my_db -c base --drop --file base.json  -vvvvv
2019-07-11T11:52:22.978+0300    using 2 decoding workers
2019-07-11T11:52:22.980+0300    using 1 insert workers
2019-07-11T11:52:22.981+0300    filesize: 627 bytes
2019-07-11T11:52:22.981+0300    using fields:
2019-07-11T11:52:22.991+0300    connected to: localhost:15000
2019-07-11T11:52:22.992+0300    ns: my_db.base
2019-07-11T11:52:22.994+0300    connected to node type: standalone
2019-07-11T11:52:22.995+0300    standalone server: setting write concern w to 1
2019-07-11T11:52:22.995+0300    using write concern: w='1', j=false, fsync=false, wtimeout=0
2019-07-11T11:52:22.995+0300    dropping: my_db.base
2019-07-11T11:52:23.011+0300    standalone server: setting write concern w to 1
2019-07-11T11:52:23.011+0300    using write concern: w='1', j=false, fsync=false, wtimeout=0
… data lines …
2019-07-11T11:52:23.049+0300    imported 5 documents