Comments (4)
torrin47
commented on June 28, 2024
Unfortunately, the performance was so slow on production that our monitoring script decided the site was down 4 times in the first hour. Can't live with that, rolled back to old version until we can address stability.
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torrin47
commented on June 28, 2024
So I was reviewing the logs trying to understand the performance impact, and noticed one thing right at the outset. Each REST query ended up making 3 separate calls, following this pattern:
2017-06-13 22:39:45 134.67.221.182 GET /metadata/RestQueryServlet start=1&max=6&f=json&owner=11&max=6 443 - 134.67.221.182 Java/1.8.0_112 200 0 0 226 2017-06-13 22:39:45 134.67.221.182 GET /metadata/RestQueryServlet start=1&max=6&f=json&owner=11&max=6 443 - 134.67.221.182 Jakarta+Commons-HttpClient/3.1 200 0 0 208 2017-06-13 22:39:45 134.67.221.182 GET /metadata/rest/find/document owner=Region%209&start=1&max=6&f=json 443 - 134.67.221.182 GeoportalServer 200 0 0 469
I don't really know what the RestQueryServlet is or how requests are directed there, but I tried switching the URLs we have embedded in the homeBody.jsp to point directly at the RestQueryServlet, and it dramatically cut down on the number of hits logged, reduced the page loading time from ~30s to ~13s. Which is pretty sweet, but I still think it's worth pursuing the cache option. I'll check in the tweaks.
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Saisuma004
commented on June 28, 2024
Sounds good, I will start preparing cache json files.
…On Tue, Jun 13, 2017 at 4:36 PM, Torrin Hultgren ***@***.***> wrote:
So I was reviewing the logs trying to understand the performance impact,
and noticed one thing right at the outset. Each REST query ended up making
3 separate calls, following this pattern:
2017-06-13 22:39:45 134.67.221.182 GET /metadata/RestQueryServlet
start=1&max=6&f=json&owner=11&max=6 443 - 134.67.221.182 Java/1.8.0_112
200 0 0 226 2017-06-13 22:39:45 134.67.221.182 GET
/metadata/RestQueryServlet start=1&max=6&f=json&owner=11&max=6 443 -
134.67.221.182 Jakarta+Commons-HttpClient/3.1 200 0 0 208 2017-06-13
22:39:45 134.67.221.182 GET /metadata/rest/find/document
owner=Region%209&start=1&max=6&f=json 443 - 134.67.221.182
GeoportalServer 200 0 0 469
I don't really know what the RestQueryServlet is or how requests are
directed there, but I tried switching the URLs we have embedded in the
homeBody.jsp to point directly at the RestQueryServlet, and it dramatically
cut down on the number of hits logged, reduced the page loading time from
~30s to ~13s. Which is pretty sweet, but I still think it's worth pursuing
the cache option. I'll check in the tweaks.
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torrin47
commented on June 28, 2024
This issue was moved to USEPA/EPA_Environmental_Dataset_Gateway#22
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