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nixos/cassandra: Convert option docs to markdown
This commit is contained in:
Robert Hensing
parent
e2c261f2c0
commit
fe11145ec9
@ -4,11 +4,12 @@ let
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inherit (lib)
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concatStringsSep
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flip
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literalDocBook
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literalMD
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literalExpression
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optionalAttrs
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optionals
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recursiveUpdate
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mdDoc
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mkEnableOption
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mkIf
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mkOption
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@ -107,7 +108,7 @@ in
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clusterName = mkOption {
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type = types.str;
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default = "Test Cluster";
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description = ''
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description = mdDoc ''
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The name of the cluster.
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This setting prevents nodes in one logical cluster from joining
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another. All nodes in a cluster must have the same value.
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@ -117,19 +118,19 @@ in
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user = mkOption {
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type = types.str;
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default = defaultUser;
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description = "Run Apache Cassandra under this user.";
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description = mdDoc "Run Apache Cassandra under this user.";
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};
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group = mkOption {
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type = types.str;
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default = defaultUser;
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description = "Run Apache Cassandra under this group.";
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description = mdDoc "Run Apache Cassandra under this group.";
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};
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homeDir = mkOption {
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type = types.path;
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default = "/var/lib/cassandra";
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description = ''
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description = mdDoc ''
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Home directory for Apache Cassandra.
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'';
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};
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@ -139,7 +140,7 @@ in
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default = pkgs.cassandra;
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defaultText = literalExpression "pkgs.cassandra";
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example = literalExpression "pkgs.cassandra_3_11";
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description = ''
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description = mdDoc ''
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The Apache Cassandra package to use.
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'';
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};
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@ -147,8 +148,8 @@ in
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jvmOpts = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = ''
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Populate the JVM_OPT environment variable.
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description = mdDoc ''
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Populate the `JVM_OPT` environment variable.
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'';
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};
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@ -156,20 +157,20 @@ in
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type = types.nullOr types.str;
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default = "127.0.0.1";
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example = null;
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description = ''
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description = mdDoc ''
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Address or interface to bind to and tell other Cassandra nodes
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to connect to. You _must_ change this if you want multiple
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nodes to be able to communicate!
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Set listenAddress OR listenInterface, not both.
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Set {option}`listenAddress` OR {option}`listenInterface`, not both.
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Leaving it blank leaves it up to
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InetAddress.getLocalHost(). This will always do the Right
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Thing _if_ the node is properly configured (hostname, name
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`InetAddress.getLocalHost()`. This will always do the "Right
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Thing" _if_ the node is properly configured (hostname, name
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resolution, etc), and the Right Thing is to use the address
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associated with the hostname (it might not be).
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Setting listen_address to 0.0.0.0 is always wrong.
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Setting {option}`listenAddress` to `0.0.0.0` is always wrong.
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'';
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};
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@ -177,8 +178,8 @@ in
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type = types.nullOr types.str;
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default = null;
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example = "eth1";
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description = ''
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Set listenAddress OR listenInterface, not both. Interfaces
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description = mdDoc ''
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Set `listenAddress` OR `listenInterface`, not both. Interfaces
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must correspond to a single address, IP aliasing is not
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supported.
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'';
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@ -188,18 +189,18 @@ in
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type = types.nullOr types.str;
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default = "127.0.0.1";
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example = null;
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description = ''
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description = mdDoc ''
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The address or interface to bind the native transport server to.
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Set rpcAddress OR rpcInterface, not both.
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Set {option}`rpcAddress` OR {option}`rpcInterface`, not both.
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Leaving rpcAddress blank has the same effect as on
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listenAddress (i.e. it will be based on the configured hostname
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Leaving {option}`rpcAddress` blank has the same effect as on
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{option}`listenAddress` (i.e. it will be based on the configured hostname
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of the node).
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Note that unlike listenAddress, you can specify 0.0.0.0, but you
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must also set extraConfig.broadcast_rpc_address to a value other
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than 0.0.0.0.
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Note that unlike {option}`listenAddress`, you can specify `"0.0.0.0"`, but you
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must also set `extraConfig.broadcast_rpc_address` to a value other
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than `"0.0.0.0"`.
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For security reasons, you should not expose this port to the
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internet. Firewall it if needed.
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@ -210,8 +211,8 @@ in
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type = types.nullOr types.str;
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default = null;
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example = "eth1";
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description = ''
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Set rpcAddress OR rpcInterface, not both. Interfaces must
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description = mdDoc ''
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Set {option}`rpcAddress` OR {option}`rpcInterface`, not both. Interfaces must
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correspond to a single address, IP aliasing is not supported.
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'';
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};
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@ -233,7 +234,7 @@ in
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<logger name="com.thinkaurelius.thrift" level="ERROR"/>
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</configuration>
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'';
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description = ''
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description = mdDoc ''
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XML logback configuration for cassandra
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'';
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};
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@ -241,24 +242,24 @@ in
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seedAddresses = mkOption {
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type = types.listOf types.str;
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default = [ "127.0.0.1" ];
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description = ''
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description = mdDoc ''
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The addresses of hosts designated as contact points in the cluster. A
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joining node contacts one of the nodes in the seeds list to learn the
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topology of the ring.
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Set to 127.0.0.1 for a single node cluster.
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Set to `[ "127.0.0.1" ]` for a single node cluster.
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'';
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};
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allowClients = mkOption {
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type = types.bool;
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default = true;
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description = ''
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description = mdDoc ''
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Enables or disables the native transport server (CQL binary protocol).
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This server uses the same address as the <literal>rpcAddress</literal>,
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but the port it uses is not <literal>rpc_port</literal> but
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<literal>native_transport_port</literal>. See the official Cassandra
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This server uses the same address as the {option}`rpcAddress`,
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but the port it uses is not `rpc_port` but
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`native_transport_port`. See the official Cassandra
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docs for more information on these variables and set them using
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<literal>extraConfig</literal>.
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{option}`extraConfig`.
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'';
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};
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@ -269,8 +270,8 @@ in
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{
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commitlog_sync_batch_window_in_ms = 3;
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};
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description = ''
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Extra options to be merged into cassandra.yaml as nix attribute set.
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description = mdDoc ''
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Extra options to be merged into {file}`cassandra.yaml` as nix attribute set.
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'';
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};
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@ -278,8 +279,8 @@ in
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type = types.lines;
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default = "";
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example = literalExpression ''"CLASSPATH=$CLASSPATH:''${extraJar}"'';
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description = ''
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Extra shell lines to be appended onto cassandra-env.sh.
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description = mdDoc ''
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Extra shell lines to be appended onto {file}`cassandra-env.sh`.
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'';
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};
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@ -287,13 +288,13 @@ in
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type = types.nullOr types.str;
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default = "3w";
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example = null;
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description = ''
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description = mdDoc ''
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Set the interval how often full repairs are run, i.e.
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<literal>nodetool repair --full</literal> is executed. See
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https://cassandra.apache.org/doc/latest/operating/repair.html
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{command}`nodetool repair --full` is executed. See
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<https://cassandra.apache.org/doc/latest/operating/repair.html>
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for more information.
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Set to <literal>null</literal> to disable full repairs.
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Set to `null` to disable full repairs.
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'';
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};
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@ -301,7 +302,7 @@ in
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type = types.listOf types.str;
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default = [ ];
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example = [ "--partitioner-range" ];
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description = ''
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description = mdDoc ''
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Options passed through to the full repair command.
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'';
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};
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@ -310,13 +311,13 @@ in
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type = types.nullOr types.str;
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default = "3d";
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example = null;
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description = ''
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description = mdDoc ''
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Set the interval how often incremental repairs are run, i.e.
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<literal>nodetool repair</literal> is executed. See
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https://cassandra.apache.org/doc/latest/operating/repair.html
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{command}`nodetool repair` is executed. See
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<https://cassandra.apache.org/doc/latest/operating/repair.html>
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for more information.
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Set to <literal>null</literal> to disable incremental repairs.
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Set to `null` to disable incremental repairs.
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'';
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};
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@ -324,7 +325,7 @@ in
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type = types.listOf types.str;
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default = [ ];
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example = [ "--partitioner-range" ];
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description = ''
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description = mdDoc ''
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Options passed through to the incremental repair command.
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'';
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};
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@ -333,15 +334,15 @@ in
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type = types.nullOr types.str;
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default = null;
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example = "4G";
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description = ''
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Must be left blank or set together with heapNewSize.
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description = mdDoc ''
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Must be left blank or set together with {option}`heapNewSize`.
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If left blank a sensible value for the available amount of RAM and CPU
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cores is calculated.
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Override to set the amount of memory to allocate to the JVM at
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start-up. For production use you may wish to adjust this for your
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environment. MAX_HEAP_SIZE is the total amount of memory dedicated
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to the Java heap. HEAP_NEWSIZE refers to the size of the young
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environment. `MAX_HEAP_SIZE` is the total amount of memory dedicated
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to the Java heap. `HEAP_NEWSIZE` refers to the size of the young
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generation.
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The main trade-off for the young generation is that the larger it
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@ -354,21 +355,21 @@ in
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type = types.nullOr types.str;
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default = null;
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example = "800M";
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description = ''
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Must be left blank or set together with heapNewSize.
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description = mdDoc ''
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Must be left blank or set together with {option}`heapNewSize`.
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If left blank a sensible value for the available amount of RAM and CPU
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cores is calculated.
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Override to set the amount of memory to allocate to the JVM at
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start-up. For production use you may wish to adjust this for your
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environment. HEAP_NEWSIZE refers to the size of the young
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environment. `HEAP_NEWSIZE` refers to the size of the young
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generation.
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The main trade-off for the young generation is that the larger it
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is, the longer GC pause times will be. The shorter it is, the more
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expensive GC will be (usually).
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The example HEAP_NEWSIZE assumes a modern 8-core+ machine for decent pause
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The example `HEAP_NEWSIZE` assumes a modern 8-core+ machine for decent pause
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times. If in doubt, and if you do not particularly want to tweak, go with
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100 MB per physical CPU core.
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'';
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@ -378,7 +379,7 @@ in
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type = types.nullOr types.int;
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default = null;
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example = 4;
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description = ''
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description = mdDoc ''
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Set this to control the amount of arenas per-thread in glibc.
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'';
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};
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@ -386,19 +387,19 @@ in
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remoteJmx = mkOption {
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type = types.bool;
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default = false;
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description = ''
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description = mdDoc ''
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Cassandra ships with JMX accessible *only* from localhost.
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To enable remote JMX connections set to true.
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Be sure to also enable authentication and/or TLS.
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See: https://wiki.apache.org/cassandra/JmxSecurity
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See: <https://wiki.apache.org/cassandra/JmxSecurity>
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'';
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};
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jmxPort = mkOption {
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type = types.int;
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default = 7199;
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description = ''
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description = mdDoc ''
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Specifies the default port over which Cassandra will be available for
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JMX connections.
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For security reasons, you should not expose this port to the internet.
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@ -408,11 +409,11 @@ in
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jmxRoles = mkOption {
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default = [ ];
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description = ''
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Roles that are allowed to access the JMX (e.g. nodetool)
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BEWARE: The passwords will be stored world readable in the nix-store.
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description = mdDoc ''
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Roles that are allowed to access the JMX (e.g. {command}`nodetool`)
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BEWARE: The passwords will be stored world readable in the nix store.
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It's recommended to use your own protected file using
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<literal>jmxRolesFile</literal>
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{option}`jmxRolesFile`
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Doesn't work in versions older than 3.11 because they don't like that
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it's world readable.
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@ -437,7 +438,7 @@ in
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if versionAtLeast cfg.package.version "3.11"
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then pkgs.writeText "jmx-roles-file" defaultJmxRolesFile
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else null;
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defaultText = literalDocBook ''generated configuration file if version is at least 3.11, otherwise <literal>null</literal>'';
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defaultText = literalMD ''generated configuration file if version is at least 3.11, otherwise `null`'';
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example = "/var/lib/cassandra/jmx.password";
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description = ''
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Specify your own jmx roles file.
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