Mercurial > hg
view tests/test-wireproto-caching.t @ 44712:a825bfbf6642
templatekw: cache mergestate even if merge is not ongoing
While playing with eBPF, I noticed .hg/merge/state{,2} files were tried
to open() for each revision. That's not healthy. Let's cache the "inactive"
state as well.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Wed, 15 Apr 2020 23:11:55 +0900 |
parents | a0886a4d6dce |
children | 95c4cca641f6 |
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$ . $TESTDIR/wireprotohelpers.sh $ cat >> $HGRCPATH << EOF > [extensions] > blackbox = > [blackbox] > track = simplecache > EOF $ hg init server $ enablehttpv2 server $ cd server $ cat >> .hg/hgrc << EOF > [extensions] > simplecache = $TESTDIR/wireprotosimplecache.py > EOF $ echo a0 > a $ echo b0 > b $ hg -q commit -A -m 'commit 0' $ echo a1 > a $ hg commit -m 'commit 1' $ echo b1 > b $ hg commit -m 'commit 2' $ echo a2 > a $ echo b2 > b $ hg commit -m 'commit 3' $ hg log -G -T '{rev}:{node} {desc}' @ 3:50590a86f3ff5d1e9a1624a7a6957884565cc8e8 commit 3 | o 2:4d01eda50c6ac5f7e89cbe1880143a32f559c302 commit 2 | o 1:4432d83626e8a98655f062ec1f2a43b07f7fbbb0 commit 1 | o 0:3390ef850073fbc2f0dfff2244342c8e9229013a commit 0 $ hg --debug debugindex -m rev linkrev nodeid p1 p2 0 0 992f4779029a3df8d0666d00bb924f69634e2641 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 1 1 a988fb43583e871d1ed5750ee074c6d840bbbfc8 992f4779029a3df8d0666d00bb924f69634e2641 0000000000000000000000000000000000000000 2 2 a8853dafacfca6fc807055a660d8b835141a3bb4 a988fb43583e871d1ed5750ee074c6d840bbbfc8 0000000000000000000000000000000000000000 3 3 3fe11dfbb13645782b0addafbe75a87c210ffddc a8853dafacfca6fc807055a660d8b835141a3bb4 0000000000000000000000000000000000000000 $ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log $ cat hg.pid > $DAEMON_PIDS Performing the same request should result in same result, with 2nd response coming from cache. $ sendhttpv2peer << EOF > command manifestdata > nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41'] > tree eval:b'' > fields eval:[b'parents'] > EOF creating http peer for wire protocol version 2 sending manifestdata command response: gen[ { b'totalitems': 1 }, { b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A', b'parents': [ b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ] } ] $ sendhttpv2peer << EOF > command manifestdata > nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41'] > tree eval:b'' > fields eval:[b'parents'] > EOF creating http peer for wire protocol version 2 sending manifestdata command response: gen[ { b'totalitems': 1 }, { b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A', b'parents': [ b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ] } ] Sending different request doesn't yield cache hit. $ sendhttpv2peer << EOF > command manifestdata > nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41', b'\xa9\x88\xfb\x43\x58\x3e\x87\x1d\x1e\xd5\x75\x0e\xe0\x74\xc6\xd8\x40\xbb\xbf\xc8'] > tree eval:b'' > fields eval:[b'parents'] > EOF creating http peer for wire protocol version 2 sending manifestdata command response: gen[ { b'totalitems': 2 }, { b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A', b'parents': [ b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ] }, { b'node': b'\xa9\x88\xfbCX>\x87\x1d\x1e\xd5u\x0e\xe0t\xc6\xd8@\xbb\xbf\xc8', b'parents': [ b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A', b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ] } ] $ cat .hg/blackbox.log *> cacher constructed for manifestdata (glob) *> cache miss for 47abb8efa5f01b8964d74917793ad2464db0fa2c (glob) *> storing cache entry for 47abb8efa5f01b8964d74917793ad2464db0fa2c (glob) *> cacher constructed for manifestdata (glob) *> cache hit for 47abb8efa5f01b8964d74917793ad2464db0fa2c (glob) *> cacher constructed for manifestdata (glob) *> cache miss for 37326a83e9843f15161fce9d1e92d06b795d5e8e (glob) *> storing cache entry for 37326a83e9843f15161fce9d1e92d06b795d5e8e (glob) $ cat error.log $ killdaemons.py $ rm .hg/blackbox.log Try with object caching mode $ cat >> .hg/hgrc << EOF > [simplecache] > cacheobjects = true > EOF $ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log $ cat hg.pid > $DAEMON_PIDS $ sendhttpv2peer << EOF > command manifestdata > nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41'] > tree eval:b'' > fields eval:[b'parents'] > EOF creating http peer for wire protocol version 2 sending manifestdata command response: gen[ { b'totalitems': 1 }, { b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A', b'parents': [ b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ] } ] $ sendhttpv2peer << EOF > command manifestdata > nodes eval:[b'\x99\x2f\x47\x79\x02\x9a\x3d\xf8\xd0\x66\x6d\x00\xbb\x92\x4f\x69\x63\x4e\x26\x41'] > tree eval:b'' > fields eval:[b'parents'] > EOF creating http peer for wire protocol version 2 sending manifestdata command response: gen[ { b'totalitems': 1 }, { b'node': b'\x99/Gy\x02\x9a=\xf8\xd0fm\x00\xbb\x92OicN&A', b'parents': [ b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ] } ] $ cat .hg/blackbox.log *> cacher constructed for manifestdata (glob) *> cache miss for 47abb8efa5f01b8964d74917793ad2464db0fa2c (glob) *> storing cache entry for 47abb8efa5f01b8964d74917793ad2464db0fa2c (glob) *> cacher constructed for manifestdata (glob) *> cache hit for 47abb8efa5f01b8964d74917793ad2464db0fa2c (glob) $ cat error.log $ killdaemons.py $ rm .hg/blackbox.log A non-cacheable command does not instantiate cacher $ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log $ cat hg.pid > $DAEMON_PIDS $ sendhttpv2peer << EOF > command capabilities > EOF creating http peer for wire protocol version 2 sending capabilities command response: gen[ { b'commands': { b'branchmap': { b'args': {}, b'permissions': [ b'pull' ] }, b'capabilities': { b'args': {}, b'permissions': [ b'pull' ] }, b'changesetdata': { b'args': { b'fields': { b'default': set([]), b'required': False, b'type': b'set', b'validvalues': set([ b'bookmarks', b'parents', b'phase', b'revision' ]) }, b'revisions': { b'required': True, b'type': b'list' } }, b'permissions': [ b'pull' ] }, b'filedata': { b'args': { b'fields': { b'default': set([]), b'required': False, b'type': b'set', b'validvalues': set([ b'linknode', b'parents', b'revision' ]) }, b'haveparents': { b'default': False, b'required': False, b'type': b'bool' }, b'nodes': { b'required': True, b'type': b'list' }, b'path': { b'required': True, b'type': b'bytes' } }, b'permissions': [ b'pull' ] }, b'filesdata': { b'args': { b'fields': { b'default': set([]), b'required': False, b'type': b'set', b'validvalues': set([ b'firstchangeset', b'linknode', b'parents', b'revision' ]) }, b'haveparents': { b'default': False, b'required': False, b'type': b'bool' }, b'pathfilter': { b'default': None, b'required': False, b'type': b'dict' }, b'revisions': { b'required': True, b'type': b'list' } }, b'permissions': [ b'pull' ], b'recommendedbatchsize': 50000 }, b'heads': { b'args': { b'publiconly': { b'default': False, b'required': False, b'type': b'bool' } }, b'permissions': [ b'pull' ] }, b'known': { b'args': { b'nodes': { b'default': [], b'required': False, b'type': b'list' } }, b'permissions': [ b'pull' ] }, b'listkeys': { b'args': { b'namespace': { b'required': True, b'type': b'bytes' } }, b'permissions': [ b'pull' ] }, b'lookup': { b'args': { b'key': { b'required': True, b'type': b'bytes' } }, b'permissions': [ b'pull' ] }, b'manifestdata': { b'args': { b'fields': { b'default': set([]), b'required': False, b'type': b'set', b'validvalues': set([ b'parents', b'revision' ]) }, b'haveparents': { b'default': False, b'required': False, b'type': b'bool' }, b'nodes': { b'required': True, b'type': b'list' }, b'tree': { b'required': True, b'type': b'bytes' } }, b'permissions': [ b'pull' ], b'recommendedbatchsize': 100000 }, b'pushkey': { b'args': { b'key': { b'required': True, b'type': b'bytes' }, b'namespace': { b'required': True, b'type': b'bytes' }, b'new': { b'required': True, b'type': b'bytes' }, b'old': { b'required': True, b'type': b'bytes' } }, b'permissions': [ b'push' ] }, b'rawstorefiledata': { b'args': { b'files': { b'required': True, b'type': b'list' }, b'pathfilter': { b'default': None, b'required': False, b'type': b'list' } }, b'permissions': [ b'pull' ] } }, b'framingmediatypes': [ b'application/mercurial-exp-framing-0006' ], b'pathfilterprefixes': set([ b'path:', b'rootfilesin:' ]), b'rawrepoformats': [ b'generaldelta', b'revlogv1', b'sparserevlog' ] } ] $ test -f .hg/blackbox.log [1] An error is not cached $ sendhttpv2peer << EOF > command manifestdata > nodes eval:[b'\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa'] > tree eval:b'' > fields eval:[b'parents'] > EOF creating http peer for wire protocol version 2 sending manifestdata command abort: unknown node: \xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa! (esc) [255] $ cat .hg/blackbox.log *> cacher constructed for manifestdata (glob) *> cache miss for 2cba2a7d0d1575fea2fe68f597e97a7c2ac2f705 (glob) *> cacher exiting due to error (glob) $ killdaemons.py $ rm .hg/blackbox.log