2a56aa003d
We use v5 and v5.3.0 to put different python files for CDH5 and CDH5.3.0. CDH5 is CDH5.0.0, we use the name "CDH5" instead of "CDH5.0.0" for backward support. Currently since CDH5.0.0 does not support cm_api>6, we cannot use first_run API in CDH5.0.0, so we only implemented parts of the services that we implemented in CDH5.3.0. implements bp: cdh-version-management Change-Id: I3b3058f25912ddf6206d64db88ac40138a45a53f
200 lines
15 KiB
JSON
200 lines
15 KiB
JSON
[
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{
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"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.",
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"display_name": "Log Directory Free Space Monitoring Percentage Thresholds",
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"name": "log_directory_free_space_percentage_thresholds",
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"value": "{\"critical\":\"never\",\"warning\":\"never\"}"
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},
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{
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"desc": "<p>This file contains the rules which govern how log messages are turned into events by the custom log4j appender that this role loads. It is in JSON format, and is composed of a list of rules. Every log message is evaluated against each of these rules in turn to decide whether or not to send an event for that message.</p><p>Each rule has some or all of the following fields:</p><ul><li><span class='code'>alert</span> - whether or not events generated from this rule should be promoted to alerts. A value of \"true\" will cause alerts to be generated. If not specified, the default is \"false\".</li><li><span class='code'>rate</span> <strong>(mandatory)</strong> - the maximum number of log messages matching this rule that may be sent as events every minute. If more than <tt>rate</tt> matching log messages are received in a single minute, the extra messages are ignored. If rate is less than 0, the number of messages per minute is unlimited.</li><li><span class='code'>periodminutes</span> - the number of minutes during which the publisher will only publish <tt>rate</tt> events or fewer. If not specified, the default is <strong>one minute</strong></li><li><span class='code'>threshold</span> - apply this rule only to messages with this log4j severity level or above. An example is \"WARN\" for warning level messages or higher.</li><li><span class='code'>content</span> - match only those messages whose contents match this regular expression.</li><li><span class='code'>exceptiontype</span> - match only those messages which are part of an exception message. The exception type must match this regular expression.</li></ul><br/><p>Example:<span class='code'>{\"alert\": false, \"rate\": 10, \"exceptiontype\": \"java.lang.StringIndexOutOfBoundsException\"}</span></p><p>This rule will send events to Cloudera Manager for every <span class='code'>StringIndexOutOfBoundsException</span>, up to a maximum of 10 every minute.</p>",
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"display_name": "Rules to Extract Events from Log Files",
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"name": "log_event_whitelist",
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"value": "{\n \"version\": \"0\",\n \"rules\": [\n {\"alert\": false, \"rate\": 1, \"periodminutes\": 1, \"threshold\":\"FATAL\"},\n {\"alert\": false, \"rate\": 1, \"periodminutes\": 2, \"exceptiontype\": \".*\"},\n {\"alert\": false, \"rate\": 1, \"periodminutes\": 1, \"threshold\":\"WARN\"}\n ]\n}"
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},
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{
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"desc": "The health test thresholds of the number of file descriptors used. Specified as a percentage of file descriptor limit.",
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"display_name": "File Descriptor Monitoring Thresholds",
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"name": "nfsgateway_fd_thresholds",
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"value": "{\"critical\":\"70.0\",\"warning\":\"50.0\"}"
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},
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{
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"desc": "NFS clients often reorder writes. As a result, sequential writes can arrive at the NFS Gateway in random order. This directory is used to temporarily save out-of-order writes before writing to HDFS. For each file, the out-of-order writes are dumped after they are accumulated to exceed certain threshold (e.g., 1MB) in memory. Please make sure this directory has enough space. For example, if the application uploads 10 files with each having 100MB, it is recommended that this directory have roughly 1GB of space in case write reorder happens (in the worst case) to every file.",
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"display_name": "Temporary Dump Directory",
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"name": "dfs_nfs3_dump_dir",
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"value": "/tmp/.hdfs-nfs"
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},
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{
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"desc": "Enables the health test that the NFS Gateway's process state is consistent with the role configuration",
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"display_name": "NFS Gateway Process Health Test",
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"name": "nfsgateway_scm_health_enabled",
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"value": "true"
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},
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{
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"desc": "Maximum size for the Java Process heap memory. Passed to Java -Xmx. Measured in bytes.",
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"display_name": "Java Heap Size of NFS Gateway in Bytes",
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"name": "nfsgateway_java_heapsize",
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"value": "268435456"
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},
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{
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"desc": "For advanced use only, a string to be inserted into <strong>hdfs-site.xml</strong> for this role only.",
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"display_name": "NFS Gateway Advanced Configuration Snippet (Safety Valve) for hdfs-site.xml",
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"name": "nfsgateway_config_safety_valve",
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"value": null
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},
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{
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"desc": "The port number of the system portmap or rpcbind service. This configuration is used by Cloudera Manager to verify if the system portmap or rpcbind service is running before starting NFS Gateway role. Cloudera Manager does not manage the system portmap or rpcbind service.",
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"display_name": "Portmap (or Rpcbind) Port",
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"name": "nfs3_portmap_port",
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"value": "111"
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},
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{
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"desc": "The NFS Gateway server port.",
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"display_name": "NFS Gateway Server Port",
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"name": "nfs3_server_port",
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"value": "2049"
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},
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{
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"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.",
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"display_name": "Java Configuration Options for NFS Gateway",
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"name": "nfsgateway_java_opts",
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"value": ""
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},
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{
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"desc": "The maximum number of rolled log files to keep for NFS Gateway logs. Typically used by log4j.",
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"display_name": "NFS Gateway Maximum Log File Backups",
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"name": "max_log_backup_index",
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"value": "10"
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},
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{
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"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 all of the following fields:</p><ul><li><span class='code'>triggerName</span> <strong>(mandatory)</strong> - the name of the trigger. This value must be unique for the specific role. </li><li><span class='code'>triggerExpression</span> <strong>(mandatory)</strong> - a tsquery expression representing the trigger. <li><span class='code'>streamThreshold</span> <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 will cause the condition to fire. <li><span class='code'>enabled</span> <strong> (optional)</strong> - by default set to 'true'. If set to 'false' the trigger will not be evaluated.</p><p>For example, here is a JSON formatted trigger configured for a DataNode that 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:red\",\n \"streamThreshold\": 0}, \"enabled\": \"true\"]</pre></p><p>Consult the trigger rules documentation for more details on how to write triggers using tsquery.</p><p>The JSON format is evolving and may change in the future and as a result backward compatibility is not guaranteed between releases at this time.</p>",
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"display_name": "Role Triggers",
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"name": "role_triggers",
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"value": "[]"
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},
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{
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"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.",
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"display_name": "Cgroup Memory Soft Limit",
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"name": "rm_memory_soft_limit",
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"value": "-1"
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},
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{
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"desc": "When computing the overall NFS Gateway health, consider the host's health.",
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"display_name": "NFS Gateway Host Health Test",
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"name": "nfsgateway_host_health_enabled",
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"value": "true"
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},
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{
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"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.",
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"display_name": "Cgroup Memory Hard Limit",
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"name": "rm_memory_hard_limit",
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"value": "-1"
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},
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{
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"desc": "By default, NFS Gateway exported directories can be mounted by any client. For better access control, update this property with a list of host names and access privileges separated by whitespace characters. Host name format can be a single host, a Java regular expression, or an IPv4 address. The access privilege uses <strong>rw</strong> to specify readwrite and <strong>ro</strong> to specify readonly access. If the access privilege is not provided, the default is read-only. Examples of host name format and access privilege: \"192.168.0.0/22 rw\", \"host.*.example.com\", \"host1.test.org ro\".",
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"display_name": "Allowed Hosts and Privileges",
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"name": "dfs_nfs_exports_allowed_hosts",
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"value": "* rw"
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},
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{
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"desc": "When set, this role's process is automatically (and transparently) restarted in the event of an unexpected failure.",
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"display_name": "Automatically Restart Process",
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"name": "process_auto_restart",
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"value": "false"
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},
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{
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"desc": "The port number of the mount daemon implemented inside the NFS Gateway server role.",
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"display_name": "NFS Gateway MountD Port",
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"name": "nfs3_mountd_port",
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"value": "4242"
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},
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{
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"desc": "For advanced use only, a string to be inserted into <strong>log4j.properties</strong> for this role only.",
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"display_name": "NFS Gateway Logging Advanced Configuration Snippet (Safety Valve)",
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"name": "log4j_safety_valve",
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"value": null
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},
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{
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"desc": "The health test thresholds for monitoring of free space on the filesystem that contains this role's log directory.",
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"display_name": "Log Directory Free Space Monitoring Absolute Thresholds",
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"name": "log_directory_free_space_absolute_thresholds",
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"value": "{\"critical\":\"5.36870912E9\",\"warning\":\"1.073741824E10\"}"
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},
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{
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"desc": "If configured, overrides the process soft and hard rlimits (also called ulimits) for file descriptors to the configured value.",
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"display_name": "Maximum Process File Descriptors",
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"name": "rlimit_fds",
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"value": null
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},
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{
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"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",
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"display_name": "Enable Health Alerts for this Role",
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"name": "enable_alerts",
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"value": "true"
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},
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{
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"desc": "The maximum size, in megabytes, per log file for NFS Gateway logs. Typically used by log4j.",
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"display_name": "NFS Gateway Max Log Size",
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"name": "max_log_size",
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"value": "200"
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},
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{
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"desc": "When set, a SIGKILL signal is sent to the role process when java.lang.OutOfMemoryError is thrown.",
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"display_name": "Kill When Out of Memory",
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"name": "oom_sigkill_enabled",
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"value": "true"
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},
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{
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"desc": "When set, generates heap dump file when java.lang.OutOfMemoryError is thrown.",
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"display_name": "Dump Heap When Out of Memory",
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"name": "oom_heap_dump_enabled",
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"value": "false"
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},
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{
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"desc": "The period to review when computing unexpected exits.",
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"display_name": "Unexpected Exits Monitoring Period",
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"name": "unexpected_exits_window",
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"value": "5"
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},
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{
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"desc": "The health test thresholds for unexpected exits encountered within a recent period specified by the unexpected_exits_window configuration for the role.",
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"display_name": "Unexpected Exits Thresholds",
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"name": "unexpected_exits_thresholds",
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"value": "{\"critical\":\"any\",\"warning\":\"never\"}"
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},
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{
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"desc": "When set, Cloudera Manager will send alerts when this entity's configuration changes.",
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"display_name": "Enable Configuration Change Alerts",
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"name": "enable_config_alerts",
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"value": "false"
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},
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{
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"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.",
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"display_name": "Cgroup I/O Weight",
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"name": "rm_io_weight",
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"value": "500"
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},
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{
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"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.",
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"display_name": "Cgroup CPU Shares",
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"name": "rm_cpu_shares",
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"value": "1024"
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},
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{
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"desc": "Path to directory where heap dumps are generated when java.lang.OutOfMemoryError error is thrown. This directory is automatically created if it doesn't exist. However, if this directory already exists, role user must have write access to this directory. If this directory is shared amongst multiple roles, it should have 1777 permissions. Note that 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.",
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"display_name": "Heap Dump Directory",
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"name": "oom_heap_dump_dir",
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"value": "/tmp"
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},
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{
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"desc": "The minimum log level for NFS Gateway logs",
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"display_name": "NFS Gateway Logging Threshold",
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"name": "log_threshold",
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"value": "INFO"
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},
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{
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"desc": "Directory where NFS Gateway will place its log files.",
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"display_name": "NFS Gateway Log Directory",
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"name": "nfsgateway_log_dir",
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"value": "/var/log/hadoop-hdfs"
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}
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] |