Creates a new ReplSet instance
servers Array.<Server>
A seedlist of servers participating in the replicaset.
options object optional
Optional settings.
Name Type Default Descriptionha boolean true optional
Turn on high availability monitoring.
haInterval number 10000 optional
Time between each replicaset status check.
replicaSet string optional
The name of the replicaset to connect to.
secondaryAcceptableLatencyMS number 15 optional
Sets the range of servers to pick when using NEAREST (lowest ping ms + the latency fence, ex: range of 1 to (1 + 15) ms)
connectWithNoPrimary boolean false optional
Sets if the driver should connect even if no primary is available
poolSize number 5 optional
Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons.
ssl boolean false optional
Use ssl connection (needs to have a mongod server with ssl support)
checkServerIdentity boolean | function true optional
Ensure we check server identify during SSL, set to false to disable checking. Only works for Node 0.12.x or higher. You can pass in a boolean or your own checkServerIdentity override function.
sslValidate boolean false optional
Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher)
sslCA array optional
Array of valid certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
sslCRL array optional
Array of revocation certificates either as Buffers or Strings (needs to have a mongod server with ssl support, 2.4 or higher)
sslCert Buffer | string optional
String or buffer containing the certificate we wish to present (needs to have a mongod server with ssl support, 2.4 or higher.
ciphers string optional
Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.
ecdhCurve string optional
Passed directly through to tls.createSecureContext. See https://nodejs.org/dist/latest-v9.x/docs/api/tls.html#tls_tls_createsecurecontext_options for more info.
sslKey Buffer | string optional
String or buffer containing the certificate private key we wish to present (needs to have a mongod server with ssl support, 2.4 or higher)
sslPass Buffer | string optional
String or buffer containing the certificate password (needs to have a mongod server with ssl support, 2.4 or higher)
servername string optional
String containing the server name requested via TLS SNI.
socketOptions object optional
Socket options
Name Type Default DescriptionnoDelay boolean true optional
TCP Socket NoDelay option.
keepAlive boolean true optional
TCP Connection keep alive enabled
keepAliveInitialDelay number 120000 optional
The number of milliseconds to wait before initiating keepAlive on the TCP socket
connectTimeoutMS number 10000 optional
How long to wait for a connection to be established before timing out
socketTimeoutMS number 360000 optional
How long a send or receive on a socket can take before timing out
domainsEnabled boolean false optional
Enable the wrapping of the callback in the current domain, disabled by default to avoid perf hit.
maxStalenessSeconds number optional
The max staleness to secondary reads (values under 10 seconds cannot be guaranteed);
monitorCommands boolean false optional
Enable command monitoring for this topology
parserType string
the parser type used (c++ or js).
ReplSet close event
Type:An event emitted indicating a command failed, if command monitoring is enabled
Type:An event emitted indicating a command was started, if command monitoring is enabled
Type:An event emitted indicating a command succeeded, if command monitoring is enabled
Type:A replset connect event, used to verify that the connection is up and running
Type:ReplSet error event, emitted if there is an error listener.
Type:ReplSet fullsetup event, emitted when all servers in the topology have been connected to.
Type:The replset high availability event
Type:type string
The stage in the high availability event (start|end)
data.norepeat boolean
This is a repeating high availability process or a single execution only
data.id number
The id for this high availability request
data.state object
An object containing the information about the current replicaset
A server member joined the replicaset
Type:type string
The type of member that joined (primary|secondary|arbiter)
server Server
The server object that joined
A server member left the replicaset
Type:type string
The type of member that left (primary|secondary|arbiter)
server Server
The server object that left
ReplSet open event, emitted when replicaset can start processing commands.
Type:ReplSet parseError event
Type:ReplSet timeout event
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