commit da5b4ebde05362390271c719307a61b0a7d2caa9 Author: Karsten Loesing karsten.loesing@gmx.net Date: Mon Feb 13 11:08:47 2012 +0100

Remove lower-resolution bandwidth data that adds no information.

From GitHub issue #2: "We include bandwidth data for all time periods as soon as we have at least two data points. But sometimes a time period is completely contained in another, shorter time period, where graphs have a higher resolution. For example, if a relay is only running for a few months, we don't need to include bandwidth data for the 5-years graph, but only for the 1-year graph. In general, we only need to include bandwidth data up to the point where the start of a time period precedes the first bandwidth data point. No need to include larger time periods." --- .../torproject/onionoo/BandwidthDataWriter.java | 7 +++++++ web/index.html | 8 +++----- 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/org/torproject/onionoo/BandwidthDataWriter.java b/src/org/torproject/onionoo/BandwidthDataWriter.java index 59789c0..7052e3c 100644 --- a/src/org/torproject/onionoo/BandwidthDataWriter.java +++ b/src/org/torproject/onionoo/BandwidthDataWriter.java @@ -341,6 +341,13 @@ public class BandwidthDataWriter { long firstDataPointMillis = (((this.now - graphInterval) / dataPointInterval) + firstNonNullIndex) * dataPointInterval + dataPointInterval / 2L; + if (i > 0 && + firstDataPointMillis >= this.now - graphIntervals[i - 1]) { + /* Skip bandwidth history object, because it doesn't contain + * anything new that wasn't already contained in the last + * bandwidth history object(s). */ + continue; + } long lastDataPointMillis = firstDataPointMillis + (lastNonNullIndex - firstNonNullIndex) * dataPointInterval; double factor = ((double) maxValue) / 999.0; diff --git a/web/index.html b/web/index.html index 6736aea..4e63c28 100755 --- a/web/index.html +++ b/web/index.html @@ -366,11 +366,9 @@ Keys are fixed strings <i>"3_days"</i>, <i>"1_week"</i>, <i>"1_month"</i>, <i>"3_months"</i>, <i>"1_year"</i>, and <i>"5_years"</i>. Keys refer to the last known bandwidth history of a relay, not to the time when the bandwidth document was published. -<font color="red">A bandwidth history object is only contained if the time -period it covers is not already contained in another bandwidth history -object with shorter time period and higher data resolution. -(Announced on February 13, redundant bandwidth history objects will be -removed after March 13, 2012.)</font> +A bandwidth history object is only contained if the time period it covers +is not already contained in another bandwidth history object with shorter +time period and higher data resolution. Each bandwidth history object contains the following key-value pairs: <ul> <li><b>"first":</b> UTC timestamp (YYYY-MM-DD hh:mm:ss) of the first data