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Merged
JackyYangPassion merged 16 commits into from
Oct 8, 2023
Merged

feat(api): support metric API Prometheus format & add statistic metric api #2286

JackyYangPassion merged 16 commits into from
Oct 8, 2023

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@SunnyBoy-WYH SunnyBoy-WYH commented Aug 16, 2023 •
edited by imbajin
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fix #1656 #1356 (will enhance it later)

术语：
统计指标：指【请求总数、成功数、失败数、平均响应时间、最大响应时间】五个指标

基础指标：指serverReporter中原有的gauges、counters、histograms等

思路：
image

1.增加原有Metric接口的prom格式返回：

# HELP hugegraph_info
# TYPE hugegraph_info untyped
hugegraph_info{version="0.69",} 1.0
# HELP org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_capacity
# TYPE org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_capacity gauge
org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_capacity 1000000
# HELP org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_expire
# TYPE org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_expire gauge
org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_expire 600000
# HELP org_apache_hugegraph_backend_cache_Cache_edge_hugegraph_hits

2.增加statistics接口，返回【请求总数、成功数、失败数、平均响应时间、最大响应时间】五个指标，同时支持prop格式返回
json：

{
"metrics/GET":{
"FAILED_REQUEST":0,
"MEAN_RESPONSE_TIME":10.047648352712768,
"MAX_RESPONSE_TIME":27,
"SUCCESS_REQUEST":12,
"TOTAL_REQUEST":12
},
"metrics/statistics/GET":{
"FAILED_REQUEST":0,
"MEAN_RESPONSE_TIME":0.6234681965773761,
"MAX_RESPONSE_TIME":2,
"SUCCESS_REQUEST":3,
"TOTAL_REQUEST":3
}
}
prom格式：

# HELP hugegraph_info
# TYPE hugegraph_info untyped
hugegraph_info{version="0.69",} 1.0
# HELP metrics_GET
# TYPE metrics_GET gauge
metrics_GET{name=FAILED_REQUEST,} 0
metrics_GET{name=MEAN_RESPONSE_TIME,} 10.047648352712768
metrics_GET{name=MAX_RESPONSE_TIME,} 27
metrics_GET{name=SUCCESS_REQUEST,} 12
metrics_GET{name=TOTAL_REQUEST,} 12

3.需要讨论一下 statistics接口的数据是否要合并在Metric接口中，目前没有合并是因为，原有指标结果JSON中只包含counter、summary等五种标准指标 ；

另外分开还有个好处是，如果后续想要按照图、接口查询统计指标，比较方便定制

@SunnyBoy-WYH SunnyBoy-WYH changed the title Feat：metric api support promtheus return format Feat：metric api support promtheus return format & add statistic metric api Aug 16, 2023
JackyYangPassion
JackyYangPassion reviewed Aug 16, 2023
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hugegraph-api/src/main/java/org/apache/hugegraph/api/API.java Outdated
MetricsUtil.registerMeter(API.class, "illegal-arg");
private static final Meter EXPECTED_ERROR_METER =
MetricsUtil.registerMeter(API.class, "expected-error");
MetricsUtil.registerMeter(API.class, "expected-error");
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@JackyYangPassion JackyYangPassion Aug 16, 2023

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ditto

hugegraph-api/src/main/java/org/apache/hugegraph/api/API.java Outdated
MetricsUtil.registerMeter(API.class, "expected-error");
private static final Meter UNKNOWN_ERROR_METER =
MetricsUtil.registerMeter(API.class, "unknown-error");
MetricsUtil.registerMeter(API.class, "unknown-error");
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ditto

hugegraph-api/src/main/java/org/apache/hugegraph/api/API.java Outdated
return result;
} catch (IllegalArgumentException | NotFoundException |
ForbiddenException e) {
ForbiddenException e) {
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@JackyYangPassion JackyYangPassion Aug 16, 2023

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ditto

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@javeme javeme Sep 17, 2023

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not addressed comment

hugegraph-test/src/main/java/org/apache/hugegraph/api/MetricsApiTest.java Outdated
Assert.assertTrue(String.format(
"Expect map value for key %s but got %s",
key, value),
"Expect map value for key %s but got %s",
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@JackyYangPassion JackyYangPassion Aug 16, 2023

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prefer to keep the origin alignment

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not addressed: prefer to keep the origin alignment

@imbajin imbajin changed the title Feat：metric api support promtheus return format & add statistic metric api feat(api): support metric API Prometheus format & add statistic metric api Aug 16, 2023
@imbajin imbajin added this to the 1.5.0 milestone Aug 23, 2023
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imbajin commented Aug 23, 2023

@SunnyBoy-WYH seems CI failed? could check the CI status in your personal repo (submit a PR to your repo, u could check/test CI there)

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SunnyBoy-WYH commented Aug 23, 2023

@SunnyBoy-WYH seems CI failed? could check the CI status in your personal repo (submit a PR to your repo, u could check/test CI there)

Nice idea! ( when i push this pr, the local test passed, and a few days before i am looking for the ci problem,but ci info not enough.) i will try it again.

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codecov bot commented Sep 10, 2023 •
edited
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Codecov Report

Merging #2286 (6216976) into master (4ceef1a) will decrease coverage by 3.23%.
The diff coverage is 95.25%.

@@             Coverage Diff              @@
##             master    #2286      +/-   ##
============================================
- Coverage     68.26%   65.04%   -3.23%     
  Complexity      989      989              
============================================
  Files           500      503       +3     
  Lines         41516    41801     +285     
  Branches       5786     5804      +18     
============================================
- Hits          28342    27189    -1153     
- Misses        10415    11920    +1505     
+ Partials       2759     2692      -67
Files Changed Coverage Δ
...pi/src/main/java/org/apache/hugegraph/api/API.java 70.00% <ø> (ø)
...java/org/apache/hugegraph/metrics/MetricsKeys.java 90.90% <90.90%> (ø)
...java/org/apache/hugegraph/metrics/MetricsUtil.java 91.26% <93.81%> (+28.76%) ⬆️
...a/org/apache/hugegraph/api/metrics/MetricsAPI.java 89.79% <95.78%> (+24.00%) ⬆️
...g/apache/hugegraph/api/filter/AccessLogFilter.java 100.00% <100.00%> (ø)
...va/org/apache/hugegraph/api/filter/PathFilter.java 100.00% <100.00%> (ø)

... and 69 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

javeme
javeme reviewed Sep 10, 2023
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javeme
javeme reviewed Sep 13, 2023
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javeme
javeme reviewed Sep 16, 2023
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there are still some comments to be addressed, thanks

javeme
javeme reviewed Sep 17, 2023
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hugegraph-test/src/main/java/org/apache/hugegraph/api/MetricsApiTest.java Outdated
Assert.assertTrue(String.format(
"Expect map value for key %s but got %s",
key, value),
"Expect map value for key %s but got %s",
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not addressed: prefer to keep the origin alignment

hugegraph-api/src/main/java/org/apache/hugegraph/api/API.java Outdated
return result;
} catch (IllegalArgumentException | NotFoundException |
ForbiddenException e) {
ForbiddenException e) {
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not addressed comment

javeme
javeme approved these changes Sep 22, 2023
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LGTM

@JackyYangPassion JackyYangPassion merged commit fc9bc28 into apache:master Oct 8, 2023
@SunnyBoy-WYH SunnyBoy-WYH mentioned this pull request Nov 6, 2023
Merged
VGalaxies pushed a commit to VGalaxies/incubator-hugegraph that referenced this pull request Nov 10, 2023
@SunnyBoy-WYH @VGalaxies
feat(api): support metric API Prometheus format & add statistic metri…
b05215e 
…c api (apache#2286)
imbajin pushed a commit that referenced this pull request Nov 10, 2023
@SunnyBoy-WYH @imbajin
feat(api): support metric API Prometheus format & add statistic metri…
176637c 
…c api (#2286)
@qwtsc qwtsc mentioned this pull request Nov 18, 2023
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@JackyYangPassion JackyYangPassion mentioned this pull request Jul 1, 2024
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Status: ✅ Done

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[Question] 有提供metrics监控接口吗？能否通过prometheus的json_exporter实现监控指标数据的转换

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@SunnyBoy-WYH @imbajin @javeme @JackyYangPassion