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Task #1236

Story #1232: Performance issues - testing and improvement

Highly variable response times from cn.dataone.org

Added by Dave Vieglais over 11 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
d1_cn_service
Target version:
Start date:
2011-01-17
Due date:
% Done:

0%

Milestone:
Product Version:
*
Story Points:
Sprint:

Description

Performing listobjects on cn.dataone.org works but the response times are highly variable.

Seems likely to be a caching issue, but likely also related to the query being executed in Metacat to generate the listObjects response.

For example:

Nomadini:~ vieglais$ time curl "http://cn.dataone.org/cn/object/"
<?xml version="1.0" encoding="UTF-8"?>knb:testid:20111111590640eml://ecoinformatics.org/eml-2.1.0D3339CAF019C3EB40811CC191DCDEB122011-01-12T06:40:28.012Z12knb:testid:201111115928161eml://ecoinformatics.org/eml-2.1.04d6537f48d2967725bfcc7a9f0d5094ce4088e0975fcd3f1a361f15f46e49f832011-01-12T06:40:33.441Z12some;id;with;semi;colons;1294775954675eml://ecoinformatics.org/eml-2.1.04d6537f48d2967725bfcc7a9f0d5094ce4088e0975fcd3f1a361f15f46e49f832011-01-12T06:40:30.076Z12knb:testid:201111115733756eml://ecoinformatics.org/eml-2.1.04d6537f48d2967725bfcc7a9f0d5094ce4088e0975fcd3f1a361f15f46e49f832011-01-12T06:40:24.104Z12/d1:objectList
real 0m0.392s
user 0m0.006s
sys 0m0.008s
Nomadini:~ vieglais$ time curl "http://cn.dataone.org/cn/object/"
<?xml version="1.0" encoding="UTF-8"?>knb:testid:20111111590640eml://ecoinformatics.org/eml-2.1.0D3339CAF019C3EB40811CC191DCDEB122011-01-12T06:40:28.012Z12knb:testid:201111115928161eml://ecoinformatics.org/eml-2.1.04d6537f48d2967725bfcc7a9f0d5094ce4088e0975fcd3f1a361f15f46e49f832011-01-12T06:40:33.441Z12some;id;with;semi;colons;1294775954675eml://ecoinformatics.org/eml-2.1.04d6537f48d2967725bfcc7a9f0d5094ce4088e0975fcd3f1a361f15f46e49f832011-01-12T06:40:30.076Z12knb:testid:201111115733756eml://ecoinformatics.org/eml-2.1.04d6537f48d2967725bfcc7a9f0d5094ce4088e0975fcd3f1a361f15f46e49f832011-01-12T06:40:24.104Z12/d1:objectList
real 1m30.255s
user 0m0.008s
sys 0m0.015s

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