HStreamDB configuration file is located at path /etc/hstream/config.yaml in the docker image from v0.6.3. or you can download(opens new window) the config file
The identifier of a single HServer node, the value must be given and can be overwritten by cli option --server-id
bind-address
"0.0.0.0"
The IP address or name of the host to which the HServer protocol handler is bound. The value can be overwritten by cli option --bind-address
advertised-address
"127.0.0.1"
Server listener address value, the value must be given and shouldn't be "0.0.0.0", if you intend to start a cluster or trying to connect to the server from a different network. This value can be overwritten by cli option --address
gossip-address
The address used for server internal communication, if not specified, it uses the value of advertised-address. The value can be overwritten by cli option "--gossip-address"
port
6570
Server port value, the value must be given and can be overwritten by cli option --port
internal-port
6571
Server port value for internal communications between server nodes, the value must be given and can be overwritten by cli option --internal-port
metastore-uri
The server nodes in the same cluster shares an HMeta uniy, this is used for metadata storage and is essential for a server to start. Specify the HMeta protocal such as zk:// or rq://, following with Comma separated host:port pairs, each corresponding to a hmeta server. e.g. zk://127.0.0.1:2181,127.0.0.1:2182,127.0.0.1:2183. The value must be given and can be overwritten by cli option --metastore-uri
log-with-color
true
optional, The options used to control whether print logs with color by the server node, can be overwritten by cli option --log-with-color
log-level
info
optional, the setting control lof print level by the server node the default value can be overwritten by cli option --log-level
max-record-size
1024*1024 (1MB)
The largest size of a record batch allowed by HStreamDB
enable-tls
false
TLS options: Enable tls, which requires tls-key-path and tls-cert-path options
tls-key-path
TLS options: Key file path for tls, can be generated by openssl
tls-cert-path
The signed certificate by CA for the key(tls-key-path)
For ease of use, we allow users to pass some options to override the configuration in the configuration file when starting the server with hstream-server :
Option
Meta var
Description
config-path
PATH
hstream config path
bind-address
HOST
server host value
advertised-address
HOST
server listener address value
gossip-address
HOST
server gossip address value
port
INT
server port value
internal-port
INT
server channel port value for internal communication
server-id
UINT32
ID of the hstream server node
store-admin-port
INT
store admin port value
metastore-uri
STR
Specify the HMeta protocal such as zk:// or rq://, following with Comma separated host:port pairs, each corresponding to a hmeta server. e.g. zk://127.0.0.1:2181,127.0.0.1:2182,127.0.0.1:2183.
