|Per-Type Statistics for PB cache|
Note: These graphs are generated based on one server only
PB is one of the most loaded servers.
We do not show all document types, only those that contribute more than 5% or so towards traffic intensity or volume.
Clearly, images dominate. This info does not tell us, however, what documents are most valuable. That is, what we would cache if we had a choice.
Here are the same pictures, but relative contribution is shown.
Here are savings on per-type basis. Quite an interesting picture. Images are well ahead. Surprisingly, ratios for other document types are pretty close. This probably means that one should cache images first, but for other objects, the type does not matter much.
Most of the data saved so far comes from images. Executables make significant contribution towards total traffic volume (second place), but their low hit ratio prevents them from staying at the top on this graph.
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