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The following commit(s) were added to refs/heads/percentile by this push:
new 82faf5b Update document.
82faf5b is described below
commit 82faf5b2ec46df03f2410125c6b696974787f0c3
Author: Wu Sheng <[email protected]>
AuthorDate: Tue Apr 28 11:13:12 2020 +0800
Update document.
---
docs/en/concepts-and-designs/meter.md | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/docs/en/concepts-and-designs/meter.md
b/docs/en/concepts-and-designs/meter.md
index 6ae796d..d07160d 100644
--- a/docs/en/concepts-and-designs/meter.md
+++ b/docs/en/concepts-and-designs/meter.md
@@ -17,5 +17,8 @@ The values of scope entity name, such as service name, are
required when metrics
NOTICE, the metrics must be declared in the bootstrap stage, no runtime
changed.
Meter System supports following binding functions
-- **avg**, calculate the avg value for every entity in the same metrics name.
-- **histogram**. aggregate the counts in the configurable buckets.
+- **avg**. Calculate the avg value for every entity in the same metrics name.
+- **histogram**. Aggregate the counts in the configurable buckets, buckets is
configurable but must be assigned in the declaration stage.
+- **percentile**. Read [percentile in
WIKI](https://en.wikipedia.org/wiki/Percentile). Unlike in the OAL, we provide
+50/75/90/95/99 in default, in the meter system function, percentile function
accepts several ranks, which should be in
+the (0, 100) range.
