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annotate contrib/rewrite-log @ 5452:82b4ff3abbcd

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bdiff: tweaks for large files - adjust the common line threshold to .1% this speeds up a delta of 7M lines of source from 10m to 40s - adjust the scaling of the hash array down a bit as it was raising the peak memory usage significantly
author Matt Mackall <mpm@selenic.com>
date Thu, 11 Oct 2007 00:46:56 -0500
parents 9ccc6be9ae4d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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5f471a75d607 Simple script to recompress a log file
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1 #!/usr/bin/env python
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2 import sys, os
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9ccc6be9ae4d update rewrite-log for tip ; chmod it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3512
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3 from mercurial import revlog, transaction, node, util
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5 f = sys.argv[1]
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6
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9ccc6be9ae4d update rewrite-log for tip ; chmod it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3512
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7 r1 = revlog.revlog(util.opener(os.getcwd(), audit=False), f + ".i", f + ".d")
9ccc6be9ae4d update rewrite-log for tip ; chmod it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3512
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8 r2 = revlog.revlog(util.opener(os.getcwd(), audit=False), f + ".i2", f + ".d2")
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9
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9ccc6be9ae4d update rewrite-log for tip ; chmod it
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3512
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10 tr = transaction.transaction(sys.stderr.write, open, "journal")
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12 for i in xrange(r1.count()):
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13 n = r1.node(i)
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14 p1, p2 = r1.parents(n)
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15 l = r1.linkrev(n)
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16 t = r1.revision(n)
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17 n2 = r2.addrevision(t, tr, l, p1, p2)
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18 tr.close()
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19
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20 os.rename(f + ".i", f + ".i.old")
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21 os.rename(f + ".d", f + ".d.old")
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22 os.rename(f + ".i2", f + ".i")
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23 os.rename(f + ".d2", f + ".d")