[ARVADOS] updated: 1.2.0-145-g182ee5168

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Summary of changes:
 doc/admin/metrics.html.textile.liquid | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

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commit 182ee5168acc0dee39653ba3b5f0b4903f8b8b7c
Author: Tom Clegg <tclegg at veritasgenetics.com>
Date:   Mon Oct 8 17:15:13 2018 -0400

    14285: Update metrics doc page.
    
    Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tclegg at veritasgenetics.com>

diff --git a/doc/admin/metrics.html.textile.liquid b/doc/admin/metrics.html.textile.liquid
index 45b9ece8c..c31cdde76 100644
--- a/doc/admin/metrics.html.textile.liquid
+++ b/doc/admin/metrics.html.textile.liquid
@@ -146,6 +146,31 @@ h3. Example response
 }
 </pre>
 
+h2. Keep-balance
+
+Keep-balance exports metrics at @/metrics@ -- e.g., @http://keep0.zzzzz.arvadosapi.com:25107/metrics@.
+
+table(table table-bordered table-condensed).
+|_. Name|_. Type|_. Description|
+|arvados_keep_total_{replicas,blocks,bytes}|gauge|stored data (stored in backend volumes, whether referenced or not)|
+|arvados_keep_garbage_{replicas,blocks,bytes}|gauge|garbage data (unreferenced, and old enough to trash)|
+|arvados_keep_transient_{replicas,blocks,bytes}|gauge|transient data (unreferenced, but too new to trash)|
+|arvados_keep_overreplicated_{replicas,blocks,bytes}|gauge|overreplicated data (more replicas exist than are needed)|
+|arvados_keep_underreplicated_{replicas,blocks,bytes}|gauge|underreplicated data (fewer replicas exist than are needed)|
+|arvados_keep_lost_{replicas,blocks,bytes}|gauge|lost data (referenced by collections, but not found on any backend volume)|
+|arvados_keepbalance_get_state_seconds|summary|time to get all collections and keepstore volume indexes for one iteration|
+|arvados_keepbalance_changeset_compute_seconds|summary|time to compute changesets for one iteration|
+|arvados_keepbalance_send_pull_list_seconds|summary|time to send pull lists to all keepstore servers for one iteration|
+|arvados_keepbalance_send_trash_list_seconds|summary|time to send trash lists to all keepstore servers for one iteration|
+|arvados_keepbalance_sweep_seconds|summary|time to complete one iteration|
+
+Each @arvados_keep_@ storage state statistic above is presented as a set of three metrics:
+
+table(table table-bordered table-condensed).
+|*_blocks|distinct block hashes|
+|*_bytes|bytes stored on backend volumes|
+|*_replicas|objects/files stored on backend volumes|
+
 h2. Node manager
 
 The node manager status end point provides a snapshot of internal status at the time of the most recent wishlist update.

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