lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig Class Reference

Inheritance diagram for lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig:

Static Public Attributes
int	port
tuple	private_ips
str	username
str	read_consistency
str	write_consistency
float	read_timeout
float	write_timeout
float	remove_timeout
int	read_concurrency
int	protocol_version
dict	extra_parameters

Detailed Description

Connection configuration for Cassandra APDB.

Member Data Documentation

extra_parameters

dict lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.extra_parameters

static

Initial value:

=  Field(
        default={}, description="Additional keyword parameters passed to connect() method verbatim."
    )

port

int lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.port

static

Initial value:

=  Field(
        default=9042,
        description="Port number to connect to.",
    )

private_ips

tuple lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.private_ips

static

Initial value:

=  Field(
        default=(),
        description="List of internal IP addresses for contact_points.",
    )

protocol_version

int lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.protocol_version

static

Initial value:

=  Field(
        default=cassandra.ProtocolVersion.V4 if CASSANDRA_IMPORTED else 4,
        description="Cassandra protocol version to use, default is V4.",
    )

read_concurrency

int lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.read_concurrency

static

Initial value:

=  Field(
        default=500,
        description="Concurrency level for read operations.",
    )

read_consistency

str lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.read_consistency

static

Initial value:

=  Field(
        default="QUORUM",
        description="Name for consistency level of read operations, default: QUORUM, can be ONE.",
    )

read_timeout

float lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.read_timeout

static

Initial value:

=  Field(
        default=120.0,
        description="Timeout in seconds for read operations.",
    )

remove_timeout

float lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.remove_timeout

static

Initial value:

=  Field(
        default=600.0,
        description="Timeout in seconds for remove operations.",
    )

username

str lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.username

static

Initial value:

=  Field(
        default="",
        description=(
            "Cassandra user name, if empty then db-auth.yaml has to provide it together with a password."
        ),
    )

write_consistency

str lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.write_consistency

static

Initial value:

=  Field(
        default="QUORUM",
        description="Name for consistency level of write operations, default: QUORUM, can be ONE.",
    )

write_timeout

float lsst.dax.apdb.cassandra.config.ApdbCassandraConnectionConfig.write_timeout

static

Initial value:

=  Field(
        default=60.0,
        description="Timeout in seconds for write operations.",
    )

---

The documentation for this class was generated from the following file:

• python/lsst/dax/apdb/cassandra/config.py