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Author SHA1 Message Date

Author	SHA1	Message	Date
yoav-steinberg	cb6933e346	Updated HDR histogram from upsteam after they merged our fix in #10606 . (#10755 ) The code is based on upstream https://github.com/HdrHistogram/HdrHistogram_c master branch latest commit (e4448cf6d1cd08fff519812d3b1e58bd5a94ac42). The reason to pull this in now is that their final version of our optimization is even faster. See: https://github.com/HdrHistogram/HdrHistogram_c/pull/107.	2022-05-22 13:44:29 +03:00
yoav-steinberg	5075e74366	Optimized `hdr_value_at_percentile` (#10606 ) `hdr_value_at_percentile()` is part of the Hdr_Histogram library used when generating `latencystats` report. There's a pending optimization for this function which greatly affects the performance of `info latencystats`. https://github.com/HdrHistogram/HdrHistogram_c/pull/107 This PR: 1. Upgrades the sources in _deps/hdr_histogram_ to the latest Hdr_Histogram version 0.11.5 2. Applies the referenced optimization. 3. Adds minor documentation about the hdr_histogram dependency which was missing under _deps/README.md_. benchmark on my machine: running: `redis-benchmark -n 100000 info latencystats` on a clean build with no data. \| benchmark \| RPS \| \| ---- \| ---- \| \| before upgrade to v0.11.05 \| 7,681 \| \| before optimization \| 12,474 \| \| after optimization \| 52,606 \| Co-authored-by: filipe oliveira <filipecosta.90@gmail.com>	2022-04-20 09:38:20 +03:00
filipe oliveira	21784def70	Extended redis-benchmark instant metrics and overall latency report (#7600 ) A first step to enable a consistent full percentile analysis on query latency so that we can fully understand the performance and stability characteristics of the redis-server system we are measuring. It also improves the instantaneous reported metrics, and the csv output format.	2020-08-25 21:21:29 +03:00

yoav-steinberg

cb6933e346

Updated HDR histogram from upsteam after they merged our fix in #10606 . (#10755 )

The code is based on upstream https://github.com/HdrHistogram/HdrHistogram_c
master branch latest commit (e4448cf6d1cd08fff519812d3b1e58bd5a94ac42).
The reason to pull this in now is that their final version of our optimization is even faster.
See: https://github.com/HdrHistogram/HdrHistogram_c/pull/107.

2022-05-22 13:44:29 +03:00

yoav-steinberg

5075e74366

Optimized hdr_value_at_percentile (#10606 )

`hdr_value_at_percentile()` is part of the Hdr_Histogram library
used when generating `latencystats` report. 

There's a pending optimization for this function which greatly
affects the performance of `info latencystats`.
https://github.com/HdrHistogram/HdrHistogram_c/pull/107

This PR:
1. Upgrades the sources in _deps/hdr_histogram_ to the latest Hdr_Histogram
  version 0.11.5
2. Applies the referenced optimization.
3. Adds minor documentation about the hdr_histogram dependency which was
  missing under _deps/README.md_.

benchmark on my machine:
running: `redis-benchmark -n 100000 info latencystats` on a clean build with no data.

| benchmark | RPS |
| ---- | ---- |
| before upgrade to v0.11.05  | 7,681 |
| before optimization | 12,474 |
| after optimization | 52,606 |

Co-authored-by: filipe oliveira <filipecosta.90@gmail.com>

2022-04-20 09:38:20 +03:00

filipe oliveira

21784def70

Extended redis-benchmark instant metrics and overall latency report (#7600 )

A first step to enable a consistent full percentile analysis on query latency so that we can fully understand the performance and stability characteristics of the redis-server system we are measuring. It also improves the instantaneous reported metrics, and the csv output format.

2020-08-25 21:21:29 +03:00

3 Commits