How can I view a changeset size in RTC?
In there any eclipse view(s) that shows what is the size(bytes) of a changeset?
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2 answers
Geoffrey Clemm (30.1k●3●30●35)
| answered Sep 02 '13, 8:01 p.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER
There are a couple of different places where you are commonly interested in change set size. The first is over the wire when the change set is first uploaded to the repository, and when it is subsequently downloaded to a client. The second is in the repository, which affects database storage requirements. For over the wire, my understanding is that it sends the full content of each file/directory change. For how change sets are stored in the repository, I would suggest reading https://jazz.net/library/article/984/ . As a quick summary, it checks to see what takes up less space: a delta from the predecessor, or a compressed version, and uses whichever is smaller.
Comments Thanks for the explanation. I just don´t get why transmitting the whole file content over the wire if it could check for existing before (hash content + search key). Also, no compression is done before wiring?
Geoffrey Clemm
commented Sep 03 '13, 3:57 p.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER
WRT transmitting duplicate content, it does check to see of that content already exists before creating a duplicate. I would guess it does that check on the client before sending over the content, but don't know that for sure. As for compression before transmitting, I don't think that is done, and assuming it is not, whether it is because of the performance cost of doing the compression/decompression, or some other reason.
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