kathy1121 opened a new issue #3306:
URL: https://github.com/apache/couchdb/issues/3306
[NOTE]: # ( ^^ Provide a general summary of the issue in the title above. ^^
)
Couchdb sometimes timeout and very slow, after the period it returns normal.
## Description
[NOTE]: # ( Describe the problem you're encountering. )
[TIP]: # ( Do NOT give us access or passwords to your actual CouchDB! )
We observed that sometimes when the application check the couchdb, for
example:
acurl -w "%{time_starttransfer}\n"
'https://couchdb-services.***net:5984/prod_cnprod_iot_db/_design/srchEngine/_search/equipmentMasterDocV4Search?q=EquipmentNumberKENformatted:"30013508"&EquipmentLocationCompanyCode="KCC";'
The searching result hung and lots of error appears:
[error] 2020-12-21T07:51:23.348710Z
couc...@couchdb-couchdb-1.couchdb-couchdb.couchdb.svc.clusterb.local
<0.25195.30> 3420357146 fabric_worker_timeout
update_docs,'couc...@couchdb-couchdb-0.couchdb-couchdb.couchdb.svc.clusterb.local',<<"shards/00000000-7fffffff/prod_cnprod_iot_db.1575029777">>
During this period, searching this view is slow, but if we curl other doc in
this db for test, the response time is normal(generally 0.2s)
But later it may also show the result again and the search time return to
normal.
Please help investigate why the couchdb met this issue?
## Steps to Reproduce
[NOTE]: # ( Include commands to reproduce, if possible. curl is preferred. )
It appears randomly but frequently.
## Expected Behaviour
[NOTE]: # ( Tell us what you expected to happen. )
Find out the root cause and why leads the issue.
## Your Environment
[TIP]: # ( Include as many relevant details about your environment as
possible. )
[TIP]: # ( You can paste the output of curl http://YOUR-COUCHDB:5984/ here.
)
* CouchDB version used: v. 3.1.0
* Browser name and version: Not applicable
* Operating system and version: cluster in Linux 3.10.0-957.27.2.el7.x86_64
## Additional Context
[TIP]: # ( Add any other context about the problem here. )
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