[metrics-bugs] #23421 [Metrics/CollecTor]: use persistence functionality throughout all CollecTor modules

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Wed Sep 6 17:41:21 UTC 2017

#23421: use persistence functionality throughout all CollecTor modules
 Reporter:  iwakeh             |          Owner:  metrics-team
     Type:  enhancement        |         Status:  needs_information
 Priority:  Medium             |      Milestone:
Component:  Metrics/CollecTor  |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:                     |  Actual Points:
Parent ID:                     |         Points:
 Reviewer:                     |        Sponsor:
Changes (by iwakeh):

 * status:  new => needs_information


 Here's an overview (cf. #21757 comment:12 following):

    * bridge-desc (all types): after sanitation the descriptor is written;
 if one descriptor cannot be sanitized, it is skipped
    * relay-desc (all types): descriptors written one by one skipping
 problematic ones
    * exitlists: always stored as a single file.
    * onionperf: currently implemented using an implicit transaction, i.e.,
 all descriptors in one downloaded descriptor file are only stored, if all
 were valid. This is different from the sync-approach where
 invalid/unparseable descriptors are ignored, but valid ones stored no
 matter if they came in one file.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23421#comment:1>
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