Shulou(Shulou.com)06/01 Report--

1. Backup and restore of mongodb database

1.1 mongodump command parameters

Mongodump-help

Usage:

Mongodump

Export the content of a running server into .bson files.

Specify a database with-d and a collection with-c to only dump that database or collection.

See http://docs.mongodb.org/manual/reference/program/mongodump/ for more information.

General options:

-- help print usage

-- version print the tool version and exit

Verbosity options:

-v,-- verbose= more detailed log output (include multiple times for more verbosity, e.g.-vvvvv

Or specify a numeric value, e.g.-- verbose=N)

-- quiet hide all log output

Connection options:

-h,-- host= mongodb host to connect to (setname/host1,host2 for replica sets)

-- port= server port (can also use-- host hostname:port)

Ssl options:

-- ssl connect to a mongod or mongos that has ssl enabled

-- sslCAFile= the .pem file containing the root certificate chain from the certificate authority

-- sslPEMKeyFile= the .pem file containing the certificate and key

-- sslPEMKeyPassword= the password to decrypt the sslPEMKeyFile, if necessary

-- sslCRLFile= the .pem file containing the certificate revocation list

-- sslAllowInvalidCertificates bypass the validation for server certificates

-- sslAllowInvalidHostnames bypass the validation for server name

-- sslFIPSMode use FIPS mode of the installed openssl library

Authentication options:

-u,-- username= username for authentication

-p,-- password= password for authentication

-- authenticationDatabase= database that holds the user's credentials

-- authenticationMechanism= authentication mechanism to use

Namespace options:

-d,-- db= database to use

-c,-- collection= collection to use

Uri options:

-- uri=mongodb-uri mongodb uri connection string

Query options:

-Q,-- query= query filter, as a JSON string, e.g.,'{x: {$gt:1}}'

-- queryFile= path to a file containing a query filter (JSON)

-- readPreference= | specify either a preference name or a preference json object

-- forceTableScan force a table scan

Output options:

-o,-- out= output directory, or'- 'for stdout (defaults to' dump')

-- gzip compress archive our collection output with Gzip

-repair try to recover documents from damaged data files (not supported by all storage

Engines)

-- oplog use oplog for taking a point-in-time snapshot

-- archive= dump as an archive to the specified path. If flag is specified without a value

Archive is written to stdout

-- dumpDbUsersAndRoles dump user and role definitions for the specified database

-excludeCollection= collection to exclude from the dump (may be specified multiple times to exclude

Additional collections)

-excludeCollectionsWithPrefix= exclude all collections from the dump that have the given prefix (may be specified

Multiple times to exclude additional prefixes)

-j,-- numParallelCollections= number of collections to dump in parallel (4 by default) (default: 4)

-- viewsAsCollections dump views as normal collections with their produced data, omitting standard

Collections

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.