tests/test-ui-verbosity.py
author Durham Goode <durham@fb.com>
Sun, 30 Aug 2015 13:58:11 -0700
changeset 26117 4dc5b51f38fe
parent 12865 4c50552fc9bc
child 28678 870dae78234c
permissions -rw-r--r--
revlog: change generaldelta delta parent heuristic The old generaldelta heuristic was "if p1 (or p2) was closer than the last full text, use it, otherwise use prev". This was problematic when a repo contained multiple branches that were very different. If commits to branch A were pushed, and the last full text was branch B, it would generate a fulltext. Then if branch B was pushed, it would generate another fulltext. The problem is that the last fulltext (and delta'ing against `prev` in general) has no correlation with the contents of the incoming revision, and therefore will always have degenerate cases. According to the blame, that algorithm was chosen to minimize the chain length. Since there is already code that protects against that (the delta-vs-fulltext code), and since it has been improved since the original generaldelta algorithm went in (2011), I believe the chain length criteria will still be preserved. The new algorithm always diffs against p1 (or p2 if it's closer), unless the resulting delta will fail the delta-vs-fulltext check, in which case we delta against prev. Some before and after stats on manifest.d size. internal large repo old heuristic - 2.0 GB new heuristic - 1.2 GB mozilla-central old heuristic - 242 MB new heuristic - 261 MB The regression in mozilla central is due to the new heuristic choosing p2r as the delta when it's closer to the tip. Switching the algorithm to always prefer p1r brings the size back down (242 MB). This is result of the way in which mozilla does merges and pushes, and the result could easily swing the other direction in other repos (depending on if they merge X into Y or Y into X), but will never be as degenerate as before. I future patch will address the regression by introducing an optional, even more aggressive delta heuristic which will knock the mozilla manifest size down dramatically.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
3349
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
     1
import os
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
     2
from mercurial import ui
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
     3
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
     4
hgrc = os.environ['HGRCPATH']
5523
5db730475d6d tests/*: avoid losing the original settings from $HGRCPATH
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3349
diff changeset
     5
f = open(hgrc)
5db730475d6d tests/*: avoid losing the original settings from $HGRCPATH
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3349
diff changeset
     6
basehgrc = f.read()
5db730475d6d tests/*: avoid losing the original settings from $HGRCPATH
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3349
diff changeset
     7
f.close()
3349
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
     8
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
     9
print '      hgrc settings    command line options      final result   '
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    10
print '    quiet verbo debug   quiet verbo debug      quiet verbo debug'
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    11
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    12
for i in xrange(64):
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    13
    hgrc_quiet   = bool(i & 1<<0)
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    14
    hgrc_verbose = bool(i & 1<<1)
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    15
    hgrc_debug   = bool(i & 1<<2)
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    16
    cmd_quiet    = bool(i & 1<<3)
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    17
    cmd_verbose  = bool(i & 1<<4)
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    18
    cmd_debug    = bool(i & 1<<5)
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    19
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    20
    f = open(hgrc, 'w')
5523
5db730475d6d tests/*: avoid losing the original settings from $HGRCPATH
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3349
diff changeset
    21
    f.write(basehgrc)
5db730475d6d tests/*: avoid losing the original settings from $HGRCPATH
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3349
diff changeset
    22
    f.write('\n[ui]\n')
3349
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    23
    if hgrc_quiet:
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    24
        f.write('quiet = True\n')
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    25
    if hgrc_verbose:
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    26
        f.write('verbose = True\n')
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    27
    if hgrc_debug:
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    28
        f.write('debug = True\n')
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    29
    f.close()
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    30
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    31
    u = ui.ui()
8136
6b5522cb2ad2 ui: refactor option setting
Matt Mackall <mpm@selenic.com>
parents: 5523
diff changeset
    32
    if cmd_quiet or cmd_debug or cmd_verbose:
6b5522cb2ad2 ui: refactor option setting
Matt Mackall <mpm@selenic.com>
parents: 5523
diff changeset
    33
        u.setconfig('ui', 'quiet', str(bool(cmd_quiet)))
6b5522cb2ad2 ui: refactor option setting
Matt Mackall <mpm@selenic.com>
parents: 5523
diff changeset
    34
        u.setconfig('ui', 'verbose', str(bool(cmd_verbose)))
6b5522cb2ad2 ui: refactor option setting
Matt Mackall <mpm@selenic.com>
parents: 5523
diff changeset
    35
        u.setconfig('ui', 'debug', str(bool(cmd_debug)))
3349
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    36
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    37
    check = ''
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    38
    if u.debugflag:
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    39
        if not u.verbose or u.quiet:
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    40
            check = ' *'
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    41
    elif u.verbose and u.quiet:
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    42
        check = ' +'
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    43
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    44
    print ('%2d  %5s %5s %5s   %5s %5s %5s  ->  %5s %5s %5s%s'
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    45
           % (i, hgrc_quiet, hgrc_verbose, hgrc_debug,
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    46
              cmd_quiet, cmd_verbose, cmd_debug,
25d270e0b27f ui.py: untangle updateopts
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
diff changeset
    47
              u.quiet, u.verbose, u.debugflag, check))