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some change to redis-sha1.rb utility to make it more robust against non-meaningful changes in the dataset

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antirez 2009-12-11 18:45:25 +01:00
parent 5ad3c8c852
commit b32627cdc1
3 changed files with 21 additions and 5 deletions
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2
TODO
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@ -61,6 +61,8 @@ it's not a guarantee they'll ever get implemented ;)
* zmalloc() should avoid to add a private header for archs where there is some other kind of libc-specific way to get the size of a malloced block. Already done for Mac OS X. * zmalloc() should avoid to add a private header for archs where there is some other kind of libc-specific way to get the size of a malloced block. Already done for Mac OS X.
* Read-only mode. * Read-only mode.
* Pattern-matching replication. * Pattern-matching replication.
* Dont' safe empty lists / sets / zsets on disk with snapshotting.
* Remove keys when a list / set / zset reaches length of 0.
DOCUMENTATION WISHLIST DOCUMENTATION WISHLIST
====================== ======================

2
redis.c
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@ -923,7 +923,7 @@ void backgroundRewriteDoneHandler(int statloc) {
close(fd); close(fd);
goto cleanup; goto cleanup;
} }
redisLog(REDIS_WARNING,"Parent diff flushed into the new append log file with success"); redisLog(REDIS_NOTICE,"Parent diff flushed into the new append log file with success (%lu bytes)",sdslen(server.bgrewritebuf));
/* Now our work is to rename the temp file into the stable file. And /* Now our work is to rename the temp file into the stable file. And
* switch the file descriptor used by the server for append only. */ * switch the file descriptor used by the server for append only. */
if (rename(tmpfile,server.appendfilename) == -1) { if (rename(tmpfile,server.appendfilename) == -1) {

22
utils/redis-sha1.rb
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@ -16,17 +16,31 @@ def redisSha1(opts={})
sha1="" sha1=""
r = Redis.new(opts) r = Redis.new(opts)
r.keys('*').sort.each{|k| r.keys('*').sort.each{|k|
sha1 = Digest::SHA1.hexdigest(sha1+k)
vtype = r.type?(k) vtype = r.type?(k)
if vtype == "string" if vtype == "string"
len = 1
sha1 = Digest::SHA1.hexdigest(sha1+k)
sha1 = Digest::SHA1.hexdigest(sha1+r.get(k)) sha1 = Digest::SHA1.hexdigest(sha1+r.get(k))
elsif vtype == "list" elsif vtype == "list"
sha1 = Digest::SHA1.hexdigest(sha1+r.list_range(k,0,-1).join("\x01")) len = r.llen(k)
if len != 0
sha1 = Digest::SHA1.hexdigest(sha1+k)
sha1 = Digest::SHA1.hexdigest(sha1+r.list_range(k,0,-1).join("\x01"))
end
elsif vtype == "set" elsif vtype == "set"
sha1 = Digest::SHA1.hexdigest(sha1+r.set_members(k).to_a.sort.join("\x02")) len = r.scard(k)
if len != 0
sha1 = Digest::SHA1.hexdigest(sha1+k)
sha1 = Digest::SHA1.hexdigest(sha1+r.set_members(k).to_a.sort.join("\x02"))
end
elsif vtype == "zset" elsif vtype == "zset"
sha1 = Digest::SHA1.hexdigest(sha1+r.zrange(k,0,-1).join("\x01")) len = r.zcard(k)
if len != 0
sha1 = Digest::SHA1.hexdigest(sha1+k)
sha1 = Digest::SHA1.hexdigest(sha1+r.zrange(k,0,-1).join("\x01"))
end
end end
# puts "#{k} => #{sha1}" if len != 0
} }
sha1 sha1
end end