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  <author_name>mackerelio</author_name>
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  <blog_title>Announcements</blog_title>
  <blog_url>https://mackerel.io/blog/</blog_url>
  <categories>
  </categories>
  <description>Hello, I'm Nishiyama (id:tukaelu), CRE of the Mackerel team. Here are the details of the most recent update. Custom metrics for retired hosts are now available for viewing in role graphs. The code signing certificate for mackerel-agent has been updated. Custom metrics for retired hosts are now avail…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2021-09-15 09:24:56</published>
  <title>Custom metrics for retired hosts are now available for viewing in role graphs and more</title>
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  <url>https://mackerel.io/blog/entry/weekly/20210914</url>
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