[
    {
        "desc": "The health test thresholds for monitoring of free space on the filesystem that contains this role's log directory. Specified as a percentage of the capacity on that filesystem. This setting is not used if a Log Directory Free Space Monitoring Absolute Thresholds setting is configured.",
        "display_name": "Log Directory Free Space Monitoring Percentage Thresholds",
        "name": "log_directory_free_space_percentage_thresholds",
        "value": "{\"critical\":\"never\",\"warning\":\"never\"}"
    },
    {
        "desc": "Kerberos principal used by the HttpFS roles.",
        "display_name": "Role-Specific Kerberos Principal",
        "name": "kerberos_role_princ_name",
        "value": "httpfs"
    },
    {
        "desc": "Whether to suppress the results of the Process Status heath test. The results of suppressed health tests are ignored when computing the overall health of the associated host, role or service, so suppressed health tests will not generate alerts.",
        "display_name": "Suppress Health Test: Process Status",
        "name": "role_health_suppression_httpfs_scm_health",
        "value": "false"
    },
    {
        "desc": "The health test thresholds of the number of file descriptors used. Specified as a percentage of file descriptor limit.",
        "display_name": "File Descriptor Monitoring Thresholds",
        "name": "httpfs_fd_thresholds",
        "value": "{\"critical\":\"70.0\",\"warning\":\"50.0\"}"
    },
    {
        "desc": "The location on disk of the trust store, in .jks format, used to confirm the authenticity of TLS/SSL servers that HttpFS might connect to. This is used when HttpFS is the client in a TLS/SSL connection. This trust store must contain the certificate(s) used to sign the service(s) connected to. If this parameter is not provided, the default list of well-known certificate authorities is used instead.",
        "display_name": "HttpFS TLS/SSL Certificate Trust Store File",
        "name": "httpfs_https_truststore_file",
        "value": null
    },
    {
        "desc": "Whether to suppress the results of the Heap Dump Directory Free Space heath test. The results of suppressed health tests are ignored when computing the overall health of the associated host, role or service, so suppressed health tests will not generate alerts.",
        "display_name": "Suppress Health Test: Heap Dump Directory Free Space",
        "name": "role_health_suppression_httpfs_heap_dump_directory_free_space",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS Keystore File parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS Keystore File",
        "name": "role_config_suppression_httpfs_https_keystore_file",
        "value": "false"
    },
    {
        "desc": "The health test thresholds for monitoring of free space on the filesystem that contains this role's heap dump directory. Specified as a percentage of the capacity on that filesystem. This setting is not used if a Heap Dump Directory Free Space Monitoring Absolute Thresholds setting is configured.",
        "display_name": "Heap Dump Directory Free Space Monitoring Percentage Thresholds",
        "name": "heap_dump_directory_free_space_percentage_thresholds",
        "value": "{\"critical\":\"never\",\"warning\":\"never\"}"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS Log Directory parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS Log Directory",
        "name": "role_config_suppression_httpfs_log_dir",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the System User parameter.",
        "display_name": "Suppress Parameter Validation: System User",
        "name": "role_config_suppression_httpfs_process_username",
        "value": "false"
    },
    {
        "desc": "The health test thresholds for monitoring of free space on the filesystem that contains this role's heap dump directory.",
        "display_name": "Heap Dump Directory Free Space Monitoring Absolute Thresholds",
        "name": "heap_dump_directory_free_space_absolute_thresholds",
        "value": "{\"critical\":\"5.36870912E9\",\"warning\":\"1.073741824E10\"}"
    },
    {
        "desc": "Whether to suppress the results of the Swap Memory Usage heath test. The results of suppressed health tests are ignored when computing the overall health of the associated host, role or service, so suppressed health tests will not generate alerts.",
        "display_name": "Suppress Health Test: Swap Memory Usage",
        "name": "role_health_suppression_httpfs_swap_memory_usage",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the Heap Dump Directory parameter.",
        "display_name": "Suppress Parameter Validation: Heap Dump Directory",
        "name": "role_config_suppression_oom_heap_dump_dir",
        "value": "false"
    },
    {
        "desc": "The method used to collect stacks. The jstack option involves periodically running the jstack command against the role's daemon process. The servlet method is available for those roles that have an HTTP server endpoint exposing the current stacks traces of all threads. When the servlet method is selected, that HTTP endpoint is periodically scraped.",
        "display_name": "Stacks Collection Method",
        "name": "stacks_collection_method",
        "value": "jstack"
    },
    {
        "desc": "When computing the overall HttpFS health, consider the host's health.",
        "display_name": "HttpFS Host Health Test",
        "name": "httpfs_host_health_enabled",
        "value": "true"
    },
    {
        "desc": "The health test thresholds on the swap memory usage of the process.",
        "display_name": "Process Swap Memory Thresholds",
        "name": "process_swap_memory_thresholds",
        "value": "{\"critical\":\"never\",\"warning\":\"any\"}"
    },
    {
        "desc": "The group that the HttpFS server process should run as.",
        "display_name": "System Group",
        "name": "httpfs_process_groupname",
        "value": "httpfs"
    },
    {
        "desc": "Whether or not periodic stacks collection is enabled.",
        "display_name": "Stacks Collection Enabled",
        "name": "stacks_collection_enabled",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the Role-Specific Kerberos Principal parameter.",
        "display_name": "Suppress Parameter Validation: Role-Specific Kerberos Principal",
        "name": "role_config_suppression_kerberos_role_princ_name",
        "value": "false"
    },
    {
        "desc": "When set, this role's process is automatically (and transparently) restarted in the event of an unexpected failure.",
        "display_name": "Automatically Restart Process",
        "name": "process_auto_restart",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS Logging Advanced Configuration Snippet (Safety Valve) parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS Logging Advanced Configuration Snippet (Safety Valve)",
        "name": "role_config_suppression_log4j_safety_valve",
        "value": "false"
    },
    {
        "desc": "<p>The configured triggers for this role. This is a JSON formatted list of triggers. These triggers are evaluated as part as the health system. Every trigger expression is parsed, and if the trigger condition is met, the list of actions provided in the trigger expression is executed.</p><p>Each trigger has the following fields:</p><ul><li><code>triggerName</code> <strong>(mandatory)</strong> - The name of the trigger. This value must be unique for the specific role. </li><li><code>triggerExpression</code> <strong>(mandatory)</strong> - A tsquery expression representing the trigger. </li><li><code>streamThreshold</code> <strong>(optional)</strong> - The maximum number of streams that can satisfy a condition of a trigger before the condition fires. By default set to 0, and any stream returned causes the condition to fire. </li><li><code>enabled</code> <strong> (optional)</strong> - By default set to 'true'. If set to 'false', the trigger is not evaluated.</li><li><code>expressionEditorConfig</code> <strong> (optional)</strong> - Metadata for the trigger editor. If present, the trigger should only be edited from the Edit Trigger page; editing the trigger here can lead to inconsistencies.</li></ul></p><p>For example, the following JSON formatted trigger configured for a DataNode fires if the DataNode has more than 1500 file descriptors opened:</p><p><pre>[{\"triggerName\": \"sample-trigger\",\n  \"triggerExpression\": \"IF (SELECT fd_open WHERE roleName=$ROLENAME and last(fd_open) > 1500) DO health:bad\",\n  \"streamThreshold\": 0, \"enabled\": \"true\"}]</pre></p><p>See the trigger rules documentation for more details on how to write triggers using tsquery.</p><p>The JSON format is evolving and may change and, as a result, backward compatibility is not guaranteed between releases.</p>",
        "display_name": "Role Triggers",
        "name": "role_triggers",
        "value": "[]"
    },
    {
        "desc": "Enables the health test that the HttpFS's process state is consistent with the role configuration",
        "display_name": "HttpFS Process Health Test",
        "name": "httpfs_scm_health_enabled",
        "value": "true"
    },
    {
        "desc": "Password of the keystore used by the HttpFS role for TLS/SSL.",
        "display_name": "HttpFS Keystore Password",
        "name": "httpfs_https_keystore_password",
        "value": null
    },
    {
        "desc": "The password for the HttpFS TLS/SSL Certificate Trust Store File. This password is not required to access the trust store; this field can be left blank. This password provides optional integrity checking of the file. The contents of trust stores are certificates, and certificates are public information.",
        "display_name": "HttpFS TLS/SSL Certificate Trust Store Password",
        "name": "httpfs_https_truststore_password",
        "value": null
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the System Group parameter.",
        "display_name": "Suppress Parameter Validation: System Group",
        "name": "role_config_suppression_httpfs_process_groupname",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS TLS/SSL Certificate Trust Store File parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS TLS/SSL Certificate Trust Store File",
        "name": "role_config_suppression_httpfs_https_truststore_file",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the Signature Secret parameter.",
        "display_name": "Suppress Parameter Validation: Signature Secret",
        "name": "role_config_suppression_hdfs_httpfs_signature_secret",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS Advanced Configuration Snippet (Safety Valve) for httpfs-site.xml parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS Advanced Configuration Snippet (Safety Valve) for httpfs-site.xml",
        "name": "role_config_suppression_httpfs_config_safety_valve",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the CDH Version Validator configuration validator.",
        "display_name": "Suppress Configuration Validator: CDH Version Validator",
        "name": "role_config_suppression_cdh_version_validator",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the Java Configuration Options for HttpFS parameter.",
        "display_name": "Suppress Parameter Validation: Java Configuration Options for HttpFS",
        "name": "role_config_suppression_httpfs_java_opts",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS Keystore Password parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS Keystore Password",
        "name": "role_config_suppression_httpfs_https_keystore_password",
        "value": "false"
    },
    {
        "desc": "Whether to suppress the results of the Unexpected Exits heath test. The results of suppressed health tests are ignored when computing the overall health of the associated host, role or service, so suppressed health tests will not generate alerts.",
        "display_name": "Suppress Health Test: Unexpected Exits",
        "name": "role_health_suppression_httpfs_unexpected_exits",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS Environment Advanced Configuration Snippet (Safety Valve) parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS Environment Advanced Configuration Snippet (Safety Valve)",
        "name": "role_config_suppression_httpfs_role_env_safety_valve",
        "value": "false"
    },
    {
        "desc": "Weight for the read I/O requests issued by this role. The greater the weight, the higher the priority of the requests when the host experiences I/O contention. Must be between 100 and 1000. Defaults to 1000 for processes not managed by Cloudera Manager.",
        "display_name": "Cgroup I/O Weight",
        "name": "rm_io_weight",
        "value": "500"
    },
    {
        "desc": "The amount of stacks data that is retained. After the retention limit is reached, the oldest data is deleted.",
        "display_name": "Stacks Collection Data Retention",
        "name": "stacks_collection_data_retention",
        "value": "104857600"
    },
    {
        "desc": "Hard memory limit to assign to this role, enforced by the Linux kernel. When the limit is reached, the kernel will reclaim pages charged to the process. If reclaiming fails, the kernel may kill the process. Both anonymous as well as page cache pages contribute to the limit. Use a value of -1 B to specify no limit. By default processes not managed by Cloudera Manager will have no limit.",
        "display_name": "Cgroup Memory Hard Limit",
        "name": "rm_memory_hard_limit",
        "value": "-1"
    },
    {
        "desc": "Directory where HttpFS will place its log files.",
        "display_name": "HttpFS Log Directory",
        "name": "httpfs_log_dir",
        "value": "/var/log/hadoop-httpfs"
    },
    {
        "desc": "For advanced use only, a string to be inserted into <strong>log4j.properties</strong> for this role only.",
        "display_name": "HttpFS Logging Advanced Configuration Snippet (Safety Valve)",
        "name": "log4j_safety_valve",
        "value": null
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the Role Triggers parameter.",
        "display_name": "Suppress Parameter Validation: Role Triggers",
        "name": "role_config_suppression_role_triggers",
        "value": "false"
    },
    {
        "desc": "The health test thresholds for monitoring of free space on the filesystem that contains this role's log directory.",
        "display_name": "Log Directory Free Space Monitoring Absolute Thresholds",
        "name": "log_directory_free_space_absolute_thresholds",
        "value": "{\"critical\":\"5.36870912E9\",\"warning\":\"1.073741824E10\"}"
    },
    {
        "desc": "If configured, overrides the process soft and hard rlimits (also called ulimits) for file descriptors to the configured value.",
        "display_name": "Maximum Process File Descriptors",
        "name": "rlimit_fds",
        "value": null
    },
    {
        "desc": "When set, Cloudera Manager will send alerts when the health of this role reaches the threshold specified by the EventServer setting eventserver_health_events_alert_threshold",
        "display_name": "Enable Health Alerts for this Role",
        "name": "enable_alerts",
        "value": "true"
    },
    {
        "desc": "For advanced use only. A string to be inserted into <strong>httpfs-site.xml</strong> for this role only.",
        "display_name": "HttpFS Advanced Configuration Snippet (Safety Valve) for httpfs-site.xml",
        "name": "httpfs_config_safety_valve",
        "value": null
    },
    {
        "desc": "The maximum size, in megabytes, per log file for HttpFS logs.  Typically used by log4j or logback.",
        "display_name": "HttpFS Max Log Size",
        "name": "max_log_size",
        "value": "200"
    },
    {
        "desc": "When set, a SIGKILL signal is sent to the role process when java.lang.OutOfMemoryError is thrown.",
        "display_name": "Kill When Out of Memory",
        "name": "oom_sigkill_enabled",
        "value": "true"
    },
    {
        "desc": "These arguments will be passed as part of the Java command line. Commonly, garbage collection flags or extra debugging flags would be passed here.",
        "display_name": "Java Configuration Options for HttpFS",
        "name": "httpfs_java_opts",
        "value": ""
    },
    {
        "desc": "When set, generates heap dump file when java.lang.OutOfMemoryError is thrown.",
        "display_name": "Dump Heap When Out of Memory",
        "name": "oom_heap_dump_enabled",
        "value": "false"
    },
    {
        "desc": "The period to review when computing unexpected exits.",
        "display_name": "Unexpected Exits Monitoring Period",
        "name": "unexpected_exits_window",
        "value": "5"
    },
    {
        "desc": "The health test thresholds for unexpected exits encountered within a recent period specified by the unexpected_exits_window configuration for the role.",
        "display_name": "Unexpected Exits Thresholds",
        "name": "unexpected_exits_thresholds",
        "value": "{\"critical\":\"any\",\"warning\":\"never\"}"
    },
    {
        "desc": "For advanced use only, key-value pairs (one on each line) to be inserted into a role's environment. Applies to configurations of this role except client configuration.",
        "display_name": "HttpFS Environment Advanced Configuration Snippet (Safety Valve)",
        "name": "HTTPFS_role_env_safety_valve",
        "value": null
    },
    {
        "desc": "The secret to use for signing client authentication tokens.",
        "display_name": "Signature Secret",
        "name": "hdfs_httpfs_signature_secret",
        "value": "hadoop httpfs secret"
    },
    {
        "desc": "Address of the load balancer used for HttpFS roles. Should be specified in host:port format. <b>Note:</b> Changing this property will regenerate Kerberos keytabs for all HttpFS roles.",
        "display_name": "HttpFS Load Balancer",
        "name": "httpfs_load_balancer",
        "value": null
    },
    {
        "desc": "When set, Cloudera Manager will send alerts when this entity's configuration changes.",
        "display_name": "Enable Configuration Change Alerts",
        "name": "enable_config_alerts",
        "value": "false"
    },
    {
        "desc": "Location of the keystore file used by the HttpFS role for TLS/SSL.",
        "display_name": "HttpFS Keystore File",
        "name": "httpfs_https_keystore_file",
        "value": "/var/run/hadoop-httpfs/.keystore"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the Stacks Collection Directory parameter.",
        "display_name": "Suppress Parameter Validation: Stacks Collection Directory",
        "name": "role_config_suppression_stacks_collection_directory",
        "value": "false"
    },
    {
        "desc": "The directory in which stacks logs are placed. If not set, stacks are logged into a <span class='code'>stacks</span> subdirectory of the role's log directory.",
        "display_name": "Stacks Collection Directory",
        "name": "stacks_collection_directory",
        "value": null
    },
    {
        "desc": "Maximum size in bytes for the Java Process heap memory.  Passed to Java -Xmx.",
        "display_name": "Java Heap Size of HttpFS in Bytes",
        "name": "httpfs_java_heapsize",
        "value": "268435456"
    },
    {
        "desc": "The port for the administration interface.",
        "display_name": "Administration Port",
        "name": "hdfs_httpfs_admin_port",
        "value": "14001"
    },
    {
        "desc": "Whether to suppress the results of the File Descriptors heath test. The results of suppressed health tests are ignored when computing the overall health of the associated host, role or service, so suppressed health tests will not generate alerts.",
        "display_name": "Suppress Health Test: File Descriptors",
        "name": "role_health_suppression_httpfs_file_descriptor",
        "value": "false"
    },
    {
        "desc": "The maximum number of rolled log files to keep for HttpFS logs.  Typically used by log4j or logback.",
        "display_name": "HttpFS Maximum Log File Backups",
        "name": "max_log_backup_index",
        "value": "10"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS Load Balancer parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS Load Balancer",
        "name": "role_config_suppression_httpfs_load_balancer",
        "value": "false"
    },
    {
        "desc": "Number of CPU shares to assign to this role. The greater the number of shares, the larger the share of the host's CPUs that will be given to this role when the host experiences CPU contention. Must be between 2 and 262144. Defaults to 1024 for processes not managed by Cloudera Manager.",
        "display_name": "Cgroup CPU Shares",
        "name": "rm_cpu_shares",
        "value": "1024"
    },
    {
        "desc": "The port where the REST interface to HDFS is available. The REST interface is served over HTTPS if TLS/SSL is enabled for HttpFS, or over HTTP otherwise.",
        "display_name": "REST Port",
        "name": "hdfs_httpfs_http_port",
        "value": "14000"
    },
    {
        "desc": "Path to directory where heap dumps are generated when java.lang.OutOfMemoryError error is thrown. This directory is automatically created if it does not exist. If this directory already exists, role user must have write access to this directory. If this directory is shared among multiple roles, it should have 1777 permissions. The heap dump files are created with 600 permissions and are owned by the role user. The amount of free space in this directory should be greater than the maximum Java Process heap size configured for this role.",
        "display_name": "Heap Dump Directory",
        "name": "oom_heap_dump_dir",
        "value": "/tmp"
    },
    {
        "desc": "Whether to suppress the results of the Host Health heath test. The results of suppressed health tests are ignored when computing the overall health of the associated host, role or service, so suppressed health tests will not generate alerts.",
        "display_name": "Suppress Health Test: Host Health",
        "name": "role_health_suppression_httpfs_host_health",
        "value": "false"
    },
    {
        "desc": "The frequency with which stacks are collected.",
        "display_name": "Stacks Collection Frequency",
        "name": "stacks_collection_frequency",
        "value": "5.0"
    },
    {
        "desc": "Whether to suppress the results of the Log Directory Free Space heath test. The results of suppressed health tests are ignored when computing the overall health of the associated host, role or service, so suppressed health tests will not generate alerts.",
        "display_name": "Suppress Health Test: Log Directory Free Space",
        "name": "role_health_suppression_httpfs_log_directory_free_space",
        "value": "false"
    },
    {
        "desc": "Whether to suppress configuration warnings produced by the built-in parameter validation for the HttpFS TLS/SSL Certificate Trust Store Password parameter.",
        "display_name": "Suppress Parameter Validation: HttpFS TLS/SSL Certificate Trust Store Password",
        "name": "role_config_suppression_httpfs_https_truststore_password",
        "value": "false"
    },
    {
        "desc": "The minimum log level for HttpFS logs",
        "display_name": "HttpFS Logging Threshold",
        "name": "log_threshold",
        "value": "INFO"
    },
    {
        "desc": "Use TLS/SSL for HttpFS.",
        "display_name": "Use TLS/SSL",
        "name": "httpfs_use_ssl",
        "value": "false"
    },
    {
        "desc": "Soft memory limit to assign to this role, enforced by the Linux kernel. When the limit is reached, the kernel will reclaim pages charged to the process if and only if the host is facing memory pressure. If reclaiming fails, the kernel may kill the process. Both anonymous as well as page cache pages contribute to the limit. Use a value of -1 B to specify no limit. By default processes not managed by Cloudera Manager will have no limit.",
        "display_name": "Cgroup Memory Soft Limit",
        "name": "rm_memory_soft_limit",
        "value": "-1"
    },
    {
        "desc": "The user that the HttpFS server process should run as.",
        "display_name": "System User",
        "name": "httpfs_process_username",
        "value": "httpfs"
    }
]