diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/spec/proposals/166-statistics-extra-info-docs.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/doc/spec/proposals/166-statistics-extra-info-docs.txt b/doc/spec/proposals/166-statistics-extra-info-docs.txt index 3716c049cc..6bc71cafd8 100644 --- a/doc/spec/proposals/166-statistics-extra-info-docs.txt +++ b/doc/spec/proposals/166-statistics-extra-info-docs.txt @@ -298,7 +298,7 @@ Exit statistics: The last type of statistics affects exit nodes counting the number of bytes written and read and the number of streams opened per port and - per 24 hours. Exit port statistics can be measured from looking of + per 24 hours. Exit port statistics can be measured from looking at headers of BEGIN and DATA cells. A BEGIN cell contains the exit port that is required for the exit node to open a new exit stream. Subsequent DATA cells coming from the client or being sent back to the @@ -361,7 +361,7 @@ Implementation notes: basically means renaming keywords. 2. The timing of writing the four *-stats files should be unified, so - that they are written exactly after 24 hours after starting the + that they are written exactly 24 hours after starting the relay. Right now, the measurement intervals for dirreq, entry, and exit stats starts with the first observed request, and files are written when observing the first request that occurs more than 24 @@ -373,14 +373,14 @@ Implementation notes: directory until they are included in extra-info documents. The reason is that the 24-hour measurement interval can be very different from the 18-hour publication interval of extra-info - documents. When a relay crashed after finishing a measurement + documents. When a relay crashes after finishing a measurement interval, but before publishing the next extra-info document, statistics would get lost. Therefore, statistics are written to disk when finishing a measurement interval and read from disk when - generating an extra-info document. As a result, the *-stats files - need to be overwritten after 24 hours, rather than appending new - statistics to them. Further, the contents of the *-stats files need - to be checked in the process of generating extra-info documents. + generating an extra-info document. Only the statistics that were + appended to the *-stats files within the past 24 hours are included + in extra-info documents. Further, the contents of the *-stats files + need to be checked in the process of generating extra-info documents. 4. With the statistics patches being tested, the ./configure options should be removed and the statistics code be compiled by default. |