~bzr-pqm/bzr/bzr.dev

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(jam) Delay generating a delta index until we call make_delta()
[saves a lot of memory during commit of large files.]

added added

removed removed

bugs with stacking and non default formats.)

(John Arbash Meinel, #373455)

* ``--development6-rich-root`` delays generating a delta index for the

first object inserted into a group. This has a beneficial impact on

``bzr commit`` since each committed texts goes to its own group. For

committing a 90MB file, it drops peak memory by about 200MB, and speeds

up commit from 7s => 4s. (John Arbash Meinel)

* Numerous operations are now faster for huge projects, i.e. those

with a large number of files and/or a large number of revisions,

particularly when the latest development format is used. These