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feat(hotspot): new algorithm of hotspot detection #479

Merged
merged 226 commits into from
Mar 5, 2020
Merged

feat(hotspot): new algorithm of hotspot detection #479

merged 226 commits into from
Mar 5, 2020

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Smityz
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@Smityz Smityz commented Feb 19, 2020 •
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What problem does this PR solve?

According to #477

What is changed and how it works?

It is a strategy of hotspot detection #444
Compared to the previous algorithm, it makes the following improvements:

  1. It defined the concept of threshold, and ready for automatic monitoring.
  2. It has higher stability

Result

  1. no hotspot, single set/single get
    微信截图_20200221134449
  2. one hotspot, single set/single get
    微信截图_20200221132757
  3. two hotspot, single set/single get
    微信截图_20200221144307
  4. three hotspot, single set/single get
    微信截图_20200221142337
    5 one hotspot, multiget

New Configuration:

[pegasus.collector]
  hotspot_detect_algorithm = hotspot_algo_qps_variance # default = hotspot_algo_qps_variance

acelyc111
acelyc111 reviewed Mar 5, 2020
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acelyc111
acelyc111 reviewed Mar 5, 2020
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acelyc111
acelyc111 previously approved these changes Mar 5, 2020
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@Smityz Smityz merged commit a0ddab2 into apache:master Mar 5, 2020
@Smityz Smityz mentioned this pull request Mar 11, 2020
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@Smityz Smityz deleted the hotspot branch March 12, 2020 10:28
@neverchanje neverchanje mentioned this pull request Mar 31, 2020
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@neverchanje neverchanje added the type/config-change Added or modified configuration that should be noted on release note of new version. label Mar 31, 2020
neverchanje pushed a commit that referenced this pull request Mar 31, 2020
@Smityz
feat(hotspot): new algorithm of hotspot detection (#479)
19dae33
acelyc111 pushed a commit that referenced this pull request Jun 23, 2022
@hycdong
feat(bulk-load): bulk load download part4 - replica report download s…
c682bf1 
…tatus and progress (#479)
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@levy5307 levy5307 levy5307 approved these changes

@acelyc111 acelyc111 acelyc111 approved these changes

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1.12.3 type/config-change Added or modified configuration that should be noted on release note of new version.
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@Smityz @acelyc111 @levy5307 @neverchanje