@@ -4,26 +4,27 @@ Telemetry Module
44================
55
66The telemetry module sends anonymous data about the cluster back to the Ceph
7- developers to help understand how Ceph is used and what problems users may
8- be experiencing.
7+ developers to report how Ceph is used and to report problems experienced by
8+ users.
99
10- This data is visualized on `public dashboards < https://telemetry-public.ceph.com/ >`_
11- that allow the community to quickly see summary statistics on how many clusters
12- are reporting, their total capacity and OSD count, and version distribution
13- trends.
10+ This data is visualized on `public dashboards
11+ <https://telemetry-public.ceph.com/> `_ that allow the community to see a
12+ summary of statistics including how many clusters are reporting, their total
13+ capacity and OSD count, and version distribution trends.
1414
1515Channels
1616--------
1717
1818The telemetry report is broken down into several "channels", each with
19- a different type of information. Assuming telemetry has been enabled,
20- individual channels can be turned on and off. (If telemetry is off,
19+ a different type of information. If telemetry has been enabled,
20+ individual channels can be turned on and off. (If telemetry is off,
2121the per-channel setting has no effect.)
2222
2323* **basic ** (default: on): Basic information about the cluster
2424
2525 - capacity of the cluster
26- - number of monitors, managers, OSDs, MDSs, object gateways, or other daemons
26+ - number of monitors, managers, OSDs, MDSs, object gateways, or other
27+ daemons
2728 - software version currently being used
2829 - number and types of RADOS pools and CephFS file systems
2930 - names of configuration options that have been changed from their
@@ -34,7 +35,7 @@ the per-channel setting has no effect.)
3435 - type of daemon
3536 - version of the daemon
3637 - operating system (OS distribution, kernel version)
37- - stack trace identifying where in the Ceph code the crash occurred
38+ - stack trace, identifying where in the Ceph code the crash occurred
3839
3940* **device ** (default: on): Information about device metrics, including
4041
@@ -46,25 +47,28 @@ the per-channel setting has no effect.)
4647 - cluster description
4748 - contact email address
4849
49- * **perf ** (default: off): Various performance metrics of a cluster, which can be used to
50+ * **perf ** (default: off): Various performance metrics of a cluster, which can
51+ be used to
5052
5153 - reveal overall cluster health
5254 - identify workload patterns
5355 - troubleshoot issues with latency, throttling, memory management, etc.
5456 - monitor cluster performance by daemon
5557
56- The data being reported does *not * contain any sensitive
57- data like pool names, object names, object contents, hostnames, or device
58- serial numbers.
58+ The reported data does *not * contain any sensitive data. This means that the
59+ reported data does not include pool names, object names, object contents,
60+ hostnames, or device serial numbers.
5961
60- It contains counters and statistics on how the cluster has been
61- deployed, the version of Ceph, the distribution of the hosts and other
62- parameters which help the project to gain a better understanding of
62+ The reported data contains counters and statistics pertaining to how the
63+ cluster has been deployed, the version of Ceph, the distribution of the hosts,
64+ and other parameters that help the project develop a better understanding of
6365the way Ceph is used.
6466
65- Data is sent secured to *https://telemetry.ceph.com *.
67+ Data is sent secured to
68+ `https://telemetry.ceph.com<https://telemetry.ceph.com> `_.
6669
67- Individual channels can be enabled or disabled with:
70+ Individual channels can be enabled or disabled by running the following
71+ commands:
6872
6973.. prompt :: bash #
7074
@@ -80,21 +84,23 @@ Individual channels can be enabled or disabled with:
8084 ceph telemetry disable channel ident
8185 ceph telemetry disable channel perf
8286
83- Multiple channels can be enabled or disabled with:
87+ Multiple channels can be enabled or disabled at the same time by running the
88+ following commands:
8489
8590.. prompt :: bash #
8691
8792 ceph telemetry enable channel basic crash device ident perf
8893 ceph telemetry disable channel basic crash device ident perf
8994
90- Channels can be enabled or disabled all at once with:
95+ All channels can be enabled or disabled at once by running the following
96+ commands:
9197
9298.. prompt :: bash #
9399
94100 ceph telemetry enable channel all
95101 ceph telemetry disable channel all
96102
97- Please note that telemetry should be on for these commands to take effect.
103+ Note that telemetry must be on for these commands to take effect.
98104
99105List all channels with:
100106
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