Accumulo 2.x Documentation  >>  Configuration  >>  Client Properties

Client Properties

Below are properties set in that configure Accumulo clients. All properties have been part of the API since 2.0.0 (unless otherwise specified):

Property Default value Since Description empty   Name of Accumulo instance to connect to
instance.zookeepers localhost:2181   Zookeeper connection information for Accumulo instance
instance.zookeepers.timeout 30s   Zookeeper session timeout
auth.type password   Authentication method (i.e password, kerberos, PasswordToken, KerberosToken, etc)
auth.principal empty   Accumulo principal/username for chosen authentication method
auth.token empty   Authentication token (ex. mypassword, /path/to/keytab)
batch.writer.durability default   Change the durability for the BatchWriter session. To use the table’s durability setting. use “default” which is the table’s durability setting.
batch.writer.max.latency.sec 120   Max amount of time (in seconds) to hold data in memory before flushing it
batch.writer.max.memory.bytes 52428800   Max memory (in bytes) to batch before writing
batch.writer.max.timeout.sec 0   Max amount of time (in seconds) an unresponsive server will be re-tried. An exception is thrown when this timeout is exceeded. Set to zero for no timeout.
batch.writer.max.write.threads 3   Maximum number of threads to use for writing data to tablet servers.
batch.scanner.num.query.threads 3   Number of concurrent query threads to spawn for querying
scanner.batch.size 1000   Number of key/value pairs that will be fetched at time from tablet server
ssl.enabled false   Enable SSL for client RPC
ssl.keystore.password empty   Password used to encrypt keystore
ssl.keystore.path empty   Path to SSL keystore file
ssl.keystore.type jks   Type of SSL keystore
ssl.truststore.password empty   Password used to encrypt truststore
ssl.truststore.path empty   Path to SSL truststore file
ssl.truststore.type jks   Type of SSL truststore
ssl.use.jsse false   Use JSSE system properties to configure SSL
sasl.enabled false   Enable SASL for client RPC
sasl.kerberos.server.primary accumulo   Kerberos principal/primary that Accumulo servers use to login
sasl.qop auth   SASL quality of protection. Valid values are ‘auth’, ‘auth-int’, and ‘auth-conf’
trace.span.receivers org.apache.accumulo.tracer.ZooTraceClient   A list of span receiver classes to send trace spans
trace.zookeeper.path /tracers   The zookeeper node where tracers are registered
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