diff --git a/bin/box.rb b/bin/box.rb
deleted file mode 100755
index 7515402..0000000
--- a/bin/box.rb
+++ /dev/null
@@ -1,67 +0,0 @@
-#!/usr/bin/ruby
-
-require 'thread'
-
-class Box
-	attr_reader :_, :emited
-	alias db emited
-	alias persistent emited
-	attr_accessor :emited
-
-	def initialize db, _
-		@_, @emited = _, db
-	end
-
-	def emit k, v
-		@emited[k] = v
-	end
-
-	def do code
-		instance_eval code, self.class.to_s, 0
-	end
-end
-
-require 'sbdb'
-
-class Persistent
-	include Enumerable
-	def initialize( db)  @db, @cursor = db, db.cursor  end
-	def emit( k, v)  @db[k] = v  end
-	alias push emit
-	alias put emit
-	alias []= emit
-	def get( k)  @db[k]  end
-	alias [] get
-	alias fetch get
-	def inspect() "#<%s:0x%016x>" % [ self.class, self.object_id ] end
-	def each &e
-		e ? @cursor.each( &e) : Enumerator.new( self, :each)
-	end
-	def to_hash
-		h = {}
-		each {|k, v| h[ k] = v }
-		h
-	end
-end
-
-#Persistent.freeze
-
-r = nil
-Dir.mkdir 'logs' rescue Errno::EEXIST
-SBDB::Env.new 'logs', SBDB::CREATE | SBDB::Env::INIT_TRANSACTION do |logs|
-	db = Persistent.new logs['test', :type => SBDB::Btree, :flags => SBDB::CREATE]
-	$stdout.print "(0)$ "
-	STDIN.each_with_index do |l, i|
-		r = Thread.new do
-				l.untaint
-				$SAFE = 4
-				b = Box.new db, r
-				begin
-					b.do( l)
-				rescue Object
-					$!
-				end
-			end.value
-		$stdout.print "=> #{r.inspect}\n(#{i+1})$ "
-	end
-end
diff --git a/bin/box2.rb b/bin/box2.rb
deleted file mode 100755
index dd02b06..0000000
--- a/bin/box2.rb
+++ /dev/null
@@ -1,87 +0,0 @@
-#!/usr/bin/ruby
-
-require 'sbdb'
-
-module Sandbox
-	def self.run *paras, &exe
-		exe = paras.shift  unless exe
-		box = paras.shift || Class
-		Thread.new do
-			$SAFE = 4
-			this = box.new *paras
-			begin
-				[:value, this.instance_eval( exe, "Sandbox")]
-			rescue Object
-				[:exception, $!]
-			end
-		end.value
-	end
-
-	def self.create_class *paras, &exe
-		exe = paras.shift  unless exe
-		run Class, *paras do
-			eval exe
-			self
-		end
-	end
-	alias new_class create_class
-end
-
-class Box
-	attr_reader :_, :db
-
-	def initialize db, _
-		@_, @db = _, db
-	end
-
-	def put( key, val)  @db[key] = val  end
-	def get( key)  @db[key]  end
-end
-
-class ClassBuilder
-end
-
-class Emit
-	def initialize( db)  @db = db  end
-	def emit( key, val)  @db[key] = val  end
-	def inspect()  "#<%s:0x%016x>" % [ self.class, self.object_id ]  end
-end
-
-class Persistent < Emit
-	include Enumerable
-	def initialize db, cursor
-		super db
-		@cursor = cursor
-	end
-	alias put emit
-	alias []= emit
-	def get( key)  @db[key]  end
-	alias [] get
-	alias fetch get
-	def each &exe
-		exe ? @cursor.each( &exe) : Enumerator.new( self, :each)
-	end
-	def to_hash
-		rh = {}
-		each {|key, val| rh[ key] = val }
-		rh
-	end
-end
-
-_ = nil
-Dir.mkdir 'logs' rescue Errno::EEXIST
-SBDB::Env.new 'logs', SBDB::CREATE | SBDB::Env::INIT_TRANSACTION do |logs|
-	db = logs['test', :type => SBDB::Btree, :flags => SBDB::CREATE]
-	db = Persistent.new db, db.cursor
-	$stdout.print "(0)$ "
-	STDIN.each_with_index do |line, i|
-		ret = Sandbox.run line, Box, db, _
-		if :value == ret.first
-			_ = ret.last
-			$stdout.puts "=> #{ret.last.inspect}"
-		else
-			$stdout.puts ret.last.inspect
-		end
-		$stdout.print "(#{i+1})$ "
-	end
-end
diff --git a/bin/box3.rb b/bin/box3.rb
deleted file mode 100755
index beae5a7..0000000
--- a/bin/box3.rb
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/usr/bin/ruby
-
-require 'sbdb'
-require 'safebox'
-
-_ = nil
-Dir.mkdir 'logs' rescue Errno::EEXIST
-SBDB::Env.new 'logs', SBDB::CREATE | SBDB::Env::INIT_TRANSACTION do |logs|
-	db = logs['test', :type => SBDB::Btree, :flags => SBDB::CREATE]
-	db = Safebox::Persistent.new db, db.cursor
-	$stdout.print "(0)$ "
-	STDIN.each_with_index do |line, i|
-		ret = Safebox.run line, Safebox::Box, db, _
-		if :value == ret.first
-			_ = ret.last
-			$stdout.puts "=> #{ret.last.inspect}"
-		else
-			$stdout.puts ret.last.inspect
-		end
-		$stdout.print "(#{i+1})$ "
-	end
-end
diff --git a/bin/loganinc b/bin/loganinc
index 94edc3d..18563dd 100755
--- a/bin/loganinc
+++ b/bin/loganinc
@@ -4,6 +4,7 @@ require 'logan'
 require 'logan/inc'
 
 opts = {}
+opts[:inspector] = ARGV[0] == '--inspector' ? ARGV.shift : false 
 opts[:server] = if ARGV[1]
 		ARGV
 	elsif ARGV[0]
@@ -14,6 +15,17 @@ opts[:server][1] = opts[:server][1].to_i
 
 logan = LogAn::Inc::Main.new opts
 begin
+	logan.instance_eval do
+		@inspector_server = UNIXServer.new 'loganinc.inspector.sock'
+		Thread.new do
+			loop do
+				sock = @inspector_server.accept
+				sock.each_line do |line|
+					sock.puts eval( line).inspect
+				end
+			end
+		end
+	end  if opts[:inspector]
 	logan.main
 rescue Object
 	logan.at_exit
diff --git a/bin/logansh b/bin/logansh
new file mode 100755
index 0000000..7c8cd72
--- /dev/null
+++ b/bin/logansh
@@ -0,0 +1,12 @@
+#!/usr/bin/env ruby
+
+require 'logan/analyse'
+require 'active_support'
+require 'irb'
+
+$logan = LogAn::Analyse.new 'logs'
+begin
+	IRB.start __FILE__
+ensure
+	$logan.close
+end
diff --git a/lib/logan/analyse.rb b/lib/logan/analyse.rb
new file mode 100644
index 0000000..cbf366b
--- /dev/null
+++ b/lib/logan/analyse.rb
@@ -0,0 +1,51 @@
+
+require 'logan/loglines'
+require 'time'
+
+class LogAn::Analyse
+	attr_reader :lines
+
+	def close
+		@lines.close
+	end
+
+	def initialize lines
+		@lines = String === lines ? LogAn::Loglines.new( lines) : lines
+	end
+
+	def extremum val
+		val = case val
+			when String  then Time.parse val
+			when Integer then Time.at val
+			when Time    then val
+			else raise ArgumentError, "Unknwon type: #{val}", caller[ 1..-1]
+			end
+	end
+
+	def timerange min, max = nil
+		exend = false
+		min, max, exend = min.min, min.max, min.exclude_end?  if Range === min
+		Range.new extremum( min), extremum( max), exend
+	end
+
+	def dbs min, max = nil, &exe
+		return Enumerator.new( self, :dbs, min, max)  unless exe
+		range = timerange min, max
+		@lines.rdb.each do |time, db|
+			exe.call db
+		end
+	end
+
+	def search min, max = nil, &exe
+		dbs = @lines.dbs
+		range = timerange min, max
+		@lines.rdb.each do |time, db|
+			dbs[ UUIDTools::UUID.parse_raw( db)].each &exe  if range === Time.at( *time.unpack( 'N'))
+		end
+	end
+	alias [] search
+
+	def each min, max = nil, &exe
+		exe ? search( min, max, &exe) : Enumerator.new( self, :search, min, max)
+	end
+end
diff --git a/lib/logan/cache.rb b/lib/logan/cache.rb
index 8c6087b..bfd13b8 100644
--- a/lib/logan/cache.rb
+++ b/lib/logan/cache.rb
@@ -9,17 +9,21 @@ class LogAn::Cache
 		@source, @data, self.type = source, data || {}, type
 	end
 
+	def close
+		@source.close
+	end
+
 	def flush!
-		@data.each {|k,v| @obj[k] = v }
+		@data.each {|k,v| @source[k] = v }
 		@data = {}
 	end
 
 	def dget k
-		@data[k] ||= @obj[k]
+		@data[k] ||= @source[k]
 	end
 
 	def oget k
-		@data[k] || @obj[k]
+		@data[k] || @source[k]
 	end
 
 	def dset k, v
@@ -27,7 +31,7 @@ class LogAn::Cache
 	end
 
 	def oset k, v
-		@obj[k] = v
+		@source[k] = v
 	end
 
 	def type= type
@@ -42,38 +46,89 @@ class LogAn::Cache
 
 	def write_cache= type
 		@type &= ~ (type ? 0 : 2)
-		define_singleton_method :[], method( type ? :oset : :dset)
+		define_singleton_method :[]=, method( type ? :oset : :dset)
 	end
 
-	#include Enumerable
-	#def each &e
-		#return Enumerator.new self, :each  unless e
-		#flush!
-		#@obj.each &e
-		#self
-	#end
+	include Enumerable
+	def each *paras
+		return Enumerator.new self, :each  unless block_given?
+		flush!  if @type&2 == 2
+		@source.each_keys( *paras) do |key|
+			yield key, self[key]
+		end
+		self
+	end
 end
 
 class LogAn::AutoValueConvertHash
 	include Enumerable
+	attr_reader :source
 
-	def initialize obj, encode = nil, each = nil, &decode
-		@object, @encoder = obj, decode.nil? ? encode || Marshal.method( :dump) : nil,
-		@each = each || obj.method( :each)  rescue NameError
-		@decode = decode || Marshal.method( :restore)
+	def initialize source, encode = nil, each = nil, &decode
+		@source, @encode = source, encode || ( decode.nil? && Marshal.method( :dump) )
+		@each, @decode = each, decode || Marshal.method( :restore)
+		@each ||= source.method( :each)  rescue NameError
+		define_singleton_method :encode, &@encode  if @encode
+		define_singleton_method :decode, &@decode  if @decode
+		LogAn::Logging.debug encode: @encode, decode: @decode, each: @each
+	end
+
+	def close
+		@source.close
 	end
 
 	def [] k
-		decode.call @object[k]
+		decode @source[k]
 	end
 
 	def []= k, v
-		@object[k] = encode.call v
+		@source[k] = encode v
 	end
 
 	def each *paras
+		return Enumerator.new self, :each  unless block_given?
 		@each.call *paras do |k, v|
 			yield k, decode( v)
 		end
 	end
+
+	def each_keys *paras
+		return Enumerator.new self, :each_keys  unless block_given?
+		@each.call *paras do |k, v|
+			yield k
+		end
+	end
+end
+
+class LogAn::AutoKeyConvertHash
+	include Enumerable
+	attr_reader :source
+
+	def initialize source, encode = nil, each = nil, &decode
+		@source, @encode = source, encode || ( decode.nil? && Marshal.method( :dump) )
+		@each, @decode = each, decode || Marshal.method( :restore)
+		@each ||= source.method( :each)  rescue NameError
+		define_singleton_method :encode, &@encode  if @encode
+		define_singleton_method :decode, &@decode  if @decode
+		LogAn::Logging.debug encode: @encode, decode: @decode, each: @each
+	end
+
+	def close
+		@source.close
+	end
+
+	def [] k
+		@source[ encode( k)]
+	end
+
+	def []= k, v
+		@source[ encode( k)] = v
+	end
+
+	def each *paras
+		return Enumerator.new self, :each  unless block_given?
+		@each.call *paras do |k, v|
+			yield decode( k), v
+		end
+	end
 end
diff --git a/lib/logan/inc/command.rb b/lib/logan/inc/command.rb
index 29aab03..2525ce2 100644
--- a/lib/logan/inc/command.rb
+++ b/lib/logan/inc/command.rb
@@ -14,24 +14,31 @@ module LogAn
 		end
 
 		class SID0 < Command
-			def initialize store, config, sid = 0
-				@store, @config = store, config
+			class <<self
+				def config=( db)  @@config = db  end
+				def config()  @@config  end
+				def store=( db)  @@store = db  end
+				def store()  @@store  end
+			end
+
+			def initialize sid = 0
+				super sid
 				self[9] = method :event_hostname
 				self[10] = method :event_filerotated
 			end
 
 			def event_filerotated line, sock
-				sid, d = line.unpack 'Na8'
-				@store[ :seeks, sid] = d
+				sid, inode, seek = line.unpack 'NNN'
+				@@store[ :seeks][ sid] = [inode, seek]
 			end
 
 			def event_hostname line, sock
-				@config[ :hosts].each do |sid,host|
+				@@config[ :hosts].each do |sid, host|
 					next  unless line == host
-					file = @config[ :files, sid]
+					file = @@config[ :files][ sid]
 					next  unless file
 					# command, SID, (inode, seek), file
-					pc = [1, sid, @store[ :seeks, sid] || "\x00\x00\x00\x00\x00\x00\x00\x00", file].pack 'nNa8a*'
+					pc = [1, sid, @@store[ :seeks][ sid], file].flatten.pack 'nNNNa*'
 					sock.write [pc.length, pc].pack( 'Na*')
 				end
 			end
diff --git a/lib/logan/inc/fileparser.rb b/lib/logan/inc/fileparser.rb
index 782d339..9440e8b 100644
--- a/lib/logan/inc/fileparser.rb
+++ b/lib/logan/inc/fileparser.rb
@@ -4,27 +4,25 @@ module LogAn
 		module FileParser
 			module Base
 				class <<self
-					attr_accessor :logdb, :store
+					def logdb=( var)  @@logdb = var  end
+					def logdb()  @@logdb  end
+					def store=( var)  @@store = var  end
+					def store()  @@store  end
 				end
 
-				def emit v
-					@@logdb.push @sid, line
+				def emit line
+					@@logdb.emit line, @sid
 				end
 
 				def seeks read
-					inode, seek = (@@store[ :seeks, @sid] || "\0\0\0\0\0\0\0\0").unpack 'a4N'
-					@@store[ :seeks, @sid] = [inode, read + seek].pack( 'a4N')
+					inode, seek = @@store[ :seeks][@sid]
+					@@store[ :seeks][@sid] = [inode, read + seek]
 				end
 			end
 
 			class Line
-				extend Base
+				include Base
 				attr_reader :sid, :delimiter, :buffer, :linebuffer
-				@@fileparser = []
-
-				def self.[] sid
-					@@fileparser[sid] ||= self.new sid
-				end
 
 				def initialize sid, delimiter = nil
 					@sid, @delimiter = sid, delimiter || "\n"
@@ -32,12 +30,14 @@ module LogAn
 					@buffer, @linebuffer = Select::Buffer.new( ''), Select::Buffer.new( '')
 				end
 
-				def event_read str, sock
+				def event_read str, sock = nil
 					@buffer += str
-					@buffer.each! @delimiter do |line|
-						emit line
-						seeks line.length
-					end
+					@buffer.each! @delimiter, &method( :event_line)
+				end
+
+				def event_line line
+					emit line
+					seeks line.length
 				end
 			end
 
@@ -47,15 +47,12 @@ module LogAn
 					@multiline = multiline || /^\d\d-\d\d-\d\d:/
 				end
 
-				def event_read str, sock
-					@buffer += str
-					@buffer.each! @delimiter do |line|
-						if line =~ @multiline
-							emit @linebuffer.to_s
-							seeks @linebuffer.length
-							@linebuffer.replace line
-						else @linebuffer += line
-						end
+				def event_line line
+					if line =~ @multiline
+						emit @linebuffer.to_s
+						seeks @linebuffer.length
+						@linebuffer.replace line
+					else @linebuffer += line
 					end
 				end
 			end
diff --git a/lib/logan/inc/main.rb b/lib/logan/inc/main.rb
index fe11de3..0722934 100644
--- a/lib/logan/inc/main.rb
+++ b/lib/logan/inc/main.rb
@@ -7,18 +7,39 @@ require 'logan/inc'
 require 'logan/loglines'
 require 'logan/cache'
 
+module LogAn::Logging
+	class  << self
+		def log lvl, *txt
+			$stderr.puts( ([Time.now, lvl]+txt).inspect)
+		end
+		alias method_missing log
+	end
+	def method_missing *paras
+		self.class.log *paras
+	end
+end
+
 module LogAn::Inc
 	class Main < RobustServer
-		# Open Config.
-		def config env, db, type = nil, flags = nil
-			$stderr.puts "Open Database \"sids.cnf\" #{db.inspect} (#{type.inspect})"
+		def cache ret, type, &e
 			type ||= 1+4
-			ret = env[ 'sids.cnf', db, :flags => flags || SBDB::RDONLY]
-			ret = LogAn::AutoValueConvertHash.new ret  if type&4 > 0
+			ret = LogAn::AutoValueConvertHash.new ret, &e  if type&4 > 0 or e
 			ret = LogAn::Cache.new ret, type&3  if type&3 > 0
 			ret
 		end
 
+		# Open Store.
+		def store env, db, type = nil, flags = nil, &e
+			LogAn::Logging.info :store, :open, "sids.cnf", db, type
+			cache env[ 'sids.cnf', db, :flags => flags || SBDB::CREATE | SBDB::AUTO_COMMIT], type, &e
+		end
+
+		# Open Config.
+		def config env, db, type = nil, flags = nil, &e
+			LogAn::Logging.info :config, :open, "sids.cnf", db, type
+			cache env[ 'sids.cnf', db, :flags => flags || SBDB::RDONLY], type, &e
+		end
+
 		# Prepare Server.
 		#
 		# * conf:
@@ -30,44 +51,79 @@ module LogAn::Inc
 		#    : Server-Configuration. default { port: 1087 }
 		def initialize conf
 			super
-			@conf = {}
+
 			# Copy config - changes possible
+			@conf = {}
 			conf.each {|key, val| @conf[key]= val }
+
 			# Default directories
 			%w[logs etc].each {|key| @conf[key.to_sym] = key }
+
 			# Open Loglines-databases
 			@logs = LogAn::Loglines.new @conf[:logs]
+			LogAn::Inc::FileParser::Base.logdb = @logs
+
 			# Open config-databases
 			Dir.mkdir @conf[:etc]  rescue Errno::EEXIST
 			@etc = SBDB::Env.new( @conf[:etc],
 					log_config: SBDB::Env::LOG_IN_MEMORY | SBDB::Env::LOG_AUTO_REMOVE,
 					flags: SBDB::CREATE | SBDB::Env::INIT_TXN | Bdb::DB_INIT_MPOOL)
-			# Set inc-config - stored in etc/inc.cnf
-			@conf[:inc] = {}
-			%w[hosts files fileparser].each {|key| @conf[:inc][key.to_sym] = config( @etc, key) }
-			@store = LogAn::Cache.new LogAn::AutoValueConvertHash.new( @etc[ 'sids.store', 'seeks', SBDB::Recno, SBDB::CREATE | SBDB::AUTO_COMMIT]), 3
+
+			# Open configs
+			begin
+				configs = @conf[:configs] = {}
+				%w[hosts files].each {|key| configs[key.to_sym] = config( @etc, key) {|l| l } }
+				configs[:fileparser] = config @etc, 'fileparser', &Safebox.method( :eval)
+				LogAn::Inc::SID0.config = configs
+			end
+
+			# Open seeks-database
+			begin
+				stores = @conf[:stores] = {}
+				db = @etc[ 'sids.store', 'seeks', SBDB::Recno, SBDB::CREATE | SBDB::AUTO_COMMIT]
+				db = LogAn::AutoValueConvertHash.new( db, lambda {|val| val.pack( 'NN') }) {|val|
+						(val||0.chr*8).unpack( 'NN')
+					}
+				stores[:seeks] = LogAn::Cache.new db
+				LogAn::Inc::FileParser::Base.store = LogAn::Inc::SID0.store = stores
+			end
+
+			# Select-framework
+			@select = LogAn::Inc::Select.new
+			@status = method :status
+			status  # Init Status
+
 			# Prepare Inc-server - create server
-			LogAn::Inc::FileParser::Base.logdb = @logs
-			LogAn::Inc::FileParser::Base.store = @store
-			@serv = LogAn::Inc::Server.new :sock => TCPServer.new( *@conf[:server]), :config => @conf[:inc]
+			@serv = LogAn::Inc::Server.new :sock => TCPServer.new( *@conf[:server]),
+					:config => @conf[:configs], :select => @select
+			LogAn::Logging.debug @serv
+
 			# Shutdown on signals
 			@sigs[:INT] = @sigs[:TERM] = method( :shutdown)
+
 		rescue Object
 			# It's better to close everything, because BDB doesn't like unexpected exits
 			self.at_exit
 			raise $!
 		end
 
+		def status
+			@select.at Time.now+5, &@status
+			LogAn::Logging.info :recv_lines => @logs.counter,
+					:connections => @serv && @serv.clients.map {|cl| cl.sock.peeraddr }
+			@conf[ :stores].each {|key, db| db.flush!}
+		end
+
 		# Will be called at exit.  Will close all opened BDB::Env
 		def at_exit
-			$stderr.puts :at_exit
+			LogAn::Logging.info :at_exit
 			@logs and @logs.close
 			@etc and @etc.close
 		end
 
 		# Shutdown Server cleanly. First shutdown TCPServer.
 		def shutdown signal = nil
-			$stderr.puts [:signal, signal, Signal[signal]].inspect  if signal
+			LogAn::Logging.info :signal, signal, Signal[ signal]  if signal
 			@serv.close
 			exit 0
 		end
diff --git a/lib/logan/inc/server.rb b/lib/logan/inc/server.rb
index cacc9d8..bb5b42e 100644
--- a/lib/logan/inc/server.rb
+++ b/lib/logan/inc/server.rb
@@ -53,13 +53,18 @@ class LogAn::Inc::Select <::Select
 end
 
 class LogAn::Inc::Socket <::Select::Socket
+	def initialize *p
+		super( *p)
+		LogAn::Logging.info :connected, self
+	end
+
 	def event_read sock = @sock, event = :read
 		begin
 			@linebuf += sock.readpartial( @bufsize)
 		rescue EOFError
 			self.event_eof sock
-		rescue Errno::EPIPE => e
-			self.event_errno e, sock, event
+		rescue Errno::EPIPE
+			self.event_errno $!, sock, event
 		rescue IOError
 			self.event_ioerror sock, event
 		rescue Errno::ECONNRESET => e
@@ -73,10 +78,15 @@ class LogAn::Inc::Socket <::Select::Socket
 			event_cmd @linebuf.remove( l)
 		end
 	end
+
+	def close
+		LogAn::Logging.info :disconnect, self
+		super
+	end
 end
 
 class LogAn::Inc::Server < ::Select::Server
-	attr_reader :config
+	attr_reader :config, :clients
 
 	def init opts
 		super opts
@@ -92,13 +102,14 @@ class LogAn::Inc::Server < ::Select::Server
 
 		def init opts
 			super opts
+			@sid0 = LogAn::Inc::SID0.new
 			@config = opts[:config] or raise( ArgumentError, "#{self.class} needs a Config!")
 		end
 		
 		def event_cmd cmd
 			sid, line = cmd.unpack 'Na*'
-			fileparser = @config[:fileparser][sid]
-			fileparser.event_line line, self  if fileparser
+			fp = sid == 0 ? @sid0 : @config[:fileparser][sid]
+			fp.event_read line, self  if fp
 		end
 	end
 end
diff --git a/lib/logan/loglines.rb b/lib/logan/loglines.rb
index cdfcdc2..2f85d78 100644
--- a/lib/logan/loglines.rb
+++ b/lib/logan/loglines.rb
@@ -6,7 +6,7 @@ require 'logan'
 
 module LogAn
 	class Loglines
-		attr_reader :env, :rdb, :dbs
+		attr_reader :env, :rdb, :dbs, :counter
 
 		def self.new *paras
 			ret = obj = super( *paras)
@@ -26,11 +26,17 @@ module LogAn
 						flags: SBDB::CREATE | SBDB::Env::INIT_TXN | Bdb::DB_INIT_MPOOL
 				else env
 				end
-			@rdb = @env[ 'rotates.db', :type => SBDB::Btree, :flags => SBDB::CREATE | SBDB::AUTO_COMMIT]
-			@queue = @env[ "newids.queue", :type => SBDB::Queue, :flags => SBDB::CREATE | SBDB::AUTO_COMMIT, :re_len => 16]
-			@dbs = {}
+			@rdb = AutoValueConvertHash.new(
+					AutoKeyConvertHash.new(
+						@env[ 'rotates.db', :type => SBDB::Btree, :flags => SBDB::CREATE | SBDB::AUTO_COMMIT],
+						lambda {|key| [key.to_i].pack 'N' }) {|key| Time.at key.unpack( 'N') },
+					lambda {|val| String === val ? val : val.raw }) {|val| val && UUIDTools::UUID.parse_raw( val) }
+			@queue = @env[ "newids.queue", :type => SBDB::Queue,
+					:flags => SBDB::CREATE | SBDB::AUTO_COMMIT, :re_len => 16]
+			@dbs, @counter = {}, 0
 			self.hash_func = lambda {|k|
-				[k.timestamp.to_i/60/60].pack 'N'  # Hour-based rotation
+				n = k.timestamp.to_i
+				n -= n % 3600
 			}
 		end
 
@@ -64,7 +70,8 @@ module LogAn
 		end
 
 		def db name
-			@env[ name.to_s, :type => SBDB::Btree, :flags => SBDB::CREATE | SBDB::AUTO_COMMIT]
+			@dbs[name] ||= @env[ name.to_s, :type => SBDB::Btree,
+					:flags => SBDB::CREATE | SBDB::AUTO_COMMIT]
 		end
 
 		def sync
@@ -77,6 +84,8 @@ module LogAn
 			dat = [sid || 0x10, val].pack 'Na*'
 			name = db_name id
 			db( name)[ id.raw] = dat
+			@counter += 1
+			@queue.push id.raw
 		end
 		alias emit put