From bba28624984b696c8208fae8a811fcf177a5f77b Mon Sep 17 00:00:00 2001
From: Anton Kaliaev <anton.kalyaev@gmail.com>
Date: Fri, 15 Jun 2018 17:38:46 +0400
Subject: [PATCH] add one useful query

---
 docs/metrics.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/docs/metrics.md b/docs/metrics.md
index 3a0a17fa..71a632e0 100644
--- a/docs/metrics.md
+++ b/docs/metrics.md
@@ -24,3 +24,11 @@ to enable it.
 | consensus_total_txs                     | Gauge   | Total number of transactions committed                                        |
 | consensus_block_size                    | Gauge   | Block size in bytes                                                           |
 | p2p_peers                               | Gauge   | Number of peers node's connected to                                           |
+
+## Useful queries
+
+Percentage of missing + byzantine validators:
+
+```
+((consensus_byzantine_validators_power + consensus_missing_validators_power) / consensus_validators_power) * 100
+```