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+#!/bin/sh
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+# BEGIN COPYRIGHT BLOCK
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+# This Program is free software; you can redistribute it and/or modify it under
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+# the terms of the GNU General Public License as published by the Free Software
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+# Foundation; version 2 of the License.
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+#
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+# This Program is distributed in the hope that it will be useful, but WITHOUT
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+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License along with
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+# this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
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+# Place, Suite 330, Boston, MA 02111-1307 USA.
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+#
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+# In addition, as a special exception, Red Hat, Inc. gives You the additional
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+# right to link the code of this Program with code not covered under the GNU
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+# General Public License ("Non-GPL Code") and to distribute linked combinations
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+# including the two, subject to the limitations in this paragraph. Non-GPL Code
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+# permitted under this exception must only link to the code of this Program
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+# through those well defined interfaces identified in the file named EXCEPTION
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+# found in the source code files (the "Approved Interfaces"). The files of
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+# Non-GPL Code may instantiate templates or use macros or inline functions from
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+# the Approved Interfaces without causing the resulting work to be covered by
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+# the GNU General Public License. Only Red Hat, Inc. may make changes or
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+# additions to the list of Approved Interfaces. You must obey the GNU General
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+# Public License in all respects for all of the Program code and other code used
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+# in conjunction with the Program except the Non-GPL Code covered by this
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+# exception. If you modify this file, you may extend this exception to your
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+# version of the file, but you are not obligated to do so. If you do not wish to
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+# provide this exception without modification, you must delete this exception
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+# statement from your version and license this file solely under the GPL without
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+# exception.
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+#
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+#
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+# Copyright (C) 2014 Red Hat, Inc.
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+# All rights reserved.
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+# END COPYRIGHT BLOCK
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+#
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+
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+DURATION=${DURATION:-0}
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+INCR=${INCR:-1}
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+HOST=${HOST:-localhost}
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+PORT=${PORT:-389}
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+BINDDN=${BINDDN:-"cn=directory manager"}
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+BINDPW=${BINDPW:-"secret"}
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+DBLIST=${DBLIST:-all}
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+ldbmdn="cn=ldbm database,cn=plugins,cn=config"
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+VERBOSE=${VERBOSE:-0}
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+
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+parseldif() {
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+ awk -v dblist="$DBLIST" -v verbose=$VERBOSE -v indexlist="$INDEXLIST" -F '[:,= ]+' '
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+ function printary(ary) {
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+ for (ii in ary) { print ii, "=", ary[ii] }
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+ }
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+ BEGIN {
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+ pagesize=8192 ; CONVFMT="%.3f" ; OFMT=CONVFMT ; SUBSEP=","
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+ alldb=0
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+ if (dblist == "all") {
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+ alldb=1
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+ } else {
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+ split(dblist, dbnames)
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+ for (key in dbnames) { val=dbnames[key] ; dbnames[tolower(val)]=val; delete dbnames[key] }
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+ }
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+ allindex=0
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+ if (indexlist == "all") {
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+ allindex=1
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+ } else {
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+ split(indexlist, idxnames)
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+ for (key in idxnames) { val=idxnames[key] ; idxnames[tolower(val)]=val; delete idxnames[key] }
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+ }
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+ fn="entcur entmax entcnt dncur dnmax dncnt"
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+ split(fn, fields)
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+ havednstats=0
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+ maxdbnamelen=0
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+ }
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+ /^[^ ]|^$/ {origline = $0; $0 = unwrapline; unwrapline = origline}
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+ /^ / {sub(/^ /, ""); unwrapline = unwrapline $0; next}
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+ /^nsslapd-dbcachesize/ { dbcachesize=$2 }
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+ /^nsslapd-db-page-size/ { pagesize=$2 }
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+ /^dbcachehitratio/ { dbhitratio=$2 }
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+ /^dbcachepagein/ { dbcachepagein=$2 }
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+ /^dbcachepageout/ { dbcachepageout=$2 }
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+ /^nsslapd-db-page-ro-evict-rate/ { dbroevict=$2 }
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+ /^nsslapd-db-pages-in-use/ { dbpages=$2 }
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+ /^dn: cn=monitor, *cn=[a-zA-Z0-9][a-zA-Z0-9_\.\-]*, *cn=ldbm database, *cn=plugins, *cn=config/ {
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+ idxnum=-1
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+ idxname=""
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+ dbname=tolower($5)
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+ if ((dbname in dbnames) || alldb) {
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+ len=length(dbname) ; if (len > maxdbnamelen) { maxdbnamelen=len }
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+ if (!(dbname in dbnames)) { dbnames[dbname] = dbname }
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+ }
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+ }
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+ /^currententrycachesize/ { stats[dbname,"entcur"]=$2 }
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+ /^maxentrycachesize/ { stats[dbname,"entmax"]=$2 }
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+ /^currententrycachecount/ { stats[dbname,"entcnt"]=$2 }
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+ /^currentdncachesize/ { stats[dbname,"dncur"]=$2 ; havednstats=1 }
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+ /^maxdncachesize/ { stats[dbname,"dnmax"]=$2 }
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+ /^currentdncachecount/ { stats[dbname,"dncnt"]=$2 }
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+ /^dbfilename-/ {
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+ #rhds
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+ #dbfilename-3: userRoot/id2entry.db4
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+ #sunds
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+ #dbfilename-id2entry: /full/path/to/db/dbname/dbname_id2entry.dbX
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+ if (dbname in dbnames) {
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+ split($0, idxline, /[ :/.-]+/)
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+ idxname=tolower(idxline[4])
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+ dbn=tolower(idxline[3])
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+ ilen=length(idxline)
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+ sundbn=tolower(idxline[ilen-2])
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+ sunidxname=tolower(idxline[2])
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+ if ((dbn == dbname) && (allindex || (idxname in idxnames))) {
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+ idxnum=idxline[2]
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+ if (!(idxname in idxnames)) { idxnames[idxname] = idxname }
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+ len = length(idxname)
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+ if (len > idxmaxlen[dbn]) { idxmaxlen[dbn] = len }
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+ } else if ((sundbn == dbname) && (allindex || (sunidxname in idxnames))) {
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+ idxname=sunidxname
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+ idxnum=1 # no index number just index name
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+ if (!(idxname in idxnames)) { idxnames[idxname] = idxname }
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+ len = length(idxname)
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+ if (len > idxmaxlen[sundbn]) { idxmaxlen[sundbn] = len }
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+ } else {
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+ # print "index", idxline[4], "not in idxnames"
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+ }
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+ } else {
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+ # print "dbname", dbname, "not in dbnames"
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+ }
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+ }
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+ /^dbfilepagein-/ { if (idxnum >= 0) { idxstats[dbname,idxname,"pagein"] = $2 } }
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+ /^dbfilepageout-/ { if (idxnum >= 0) { idxstats[dbname,idxname,"pageout"] = $2 } }
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+ END {
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+ free=(dbcachesize-(pagesize*dbpages))
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+ freeratio=free/dbcachesize
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+ if (verbose > 1) {
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+ print "# dbcachefree - free bytes in dbcache"
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+ print "# free% - percent free in dbcache"
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+ print "# roevicts - number of read-only pages dropped from cache to make room for other pages"
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+ print "# if this is non-zero, it means the dbcache is maxed out and there is page churn"
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+ print "# hit% - percent of requests that are served by cache"
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+ print "# pagein - number of pages read into the cache"
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+ print "# pageout - number of pages dropped from the cache"
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+ }
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+ print "dbcachefree", free, "free%", (freeratio*100), "roevicts", dbroevict, "hit%", dbhitratio, "pagein", dbcachepagein, "pageout", dbcachepageout
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+ if (verbose > 1) {
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+ print "# dbname - name of database instance - the row shows the entry cache stats"
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+ print "# count - number of entries in cache"
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+ print "# free - number of free bytes in cache"
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+ print "# free% - percent free in cache"
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+ print "# size - average size of date in cache in bytes (current size/count)"
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+ if (havednstats) {
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+ print "# DNcache - the line below the entry cache stats are the DN cache stats"
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+ print "# count - number of dns in dn cache"
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+ print "# free - number of free bytes in dn cache"
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+ print "# free% - percent free in dn cache"
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+ print "# size - average size of dn in dn cache in bytes (currentdncachesize/currentdncachecount)"
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+ print "# under each db are the list of selected indexes specified with INDEXLIST"
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+ }
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+ }
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+ if (havednstats) { # make sure there is enough room for dbname:ent and dbname:dn
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+ maxdbnamelen += 4 # :ent
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+ dbentext = ":ent"
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+ dbdnext = ":dn "
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+ } else {
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+ dbentext = ""
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+ dbdnext = ""
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+ }
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+ if (maxdbnamelen < 6) { # len of "dbname"
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+ maxdbnamelen = 6
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+ }
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+
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+ if (verbose > 0) {
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+ fmtstr = sprintf("%%%d.%ds %%10.10s %%13.13s %%6.6s %%7.7s\n", maxdbnamelen, maxdbnamelen)
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+ printf fmtstr, "dbname", "count", "free", "free%", "size"
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+ }
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+ for (dbn in dbnames) {
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+ cur=stats[dbn,"entcur"]
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+ max=stats[dbn,"entmax"]
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+ cnt=stats[dbn,"entcnt"]
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+ free=max-cur
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+ freep=free/max*100
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+ size=(cnt == 0) ? 0 : cur/cnt
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+ fmtstr = sprintf("%%%d.%ds %%10d %%13d %%6.1f %%7.1f\n", maxdbnamelen, maxdbnamelen)
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+ printf fmtstr, dbnames[dbn] dbentext, cnt, free, freep, size
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+ if (havednstats) {
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+ dcur=stats[dbn,"dncur"]
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+ dmax=stats[dbn,"dnmax"]
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+ dcnt=stats[dbn,"dncnt"]
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+ dfree=dmax-dcur
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+ dfreep=dfree/dmax*100
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+ dsize=(dcnt == 0) ? 0 : dcur/dcnt
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+ printf fmtstr, dbnames[dbn] dbdnext, dcnt, dfree, dfreep, dsize
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+ }
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+ if (indexlist) {
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+ len = idxmaxlen[dbn]
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+ fmtstr = sprintf("%%%d.%ds %%%d.%ds pagein %%8d pageout %%8d\n", maxdbnamelen, maxdbnamelen, len, len)
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+ for (idx in idxnames) {
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+ ipi = idxstats[dbn,idx,"pagein"]
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+ ipo = idxstats[dbn,idx,"pageout"]
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+ # not every db will have every index
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+ if (ipi != "" && ipo != "") {
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+ printf fmtstr, "+", idxnames[idx], ipi, ipo
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+ }
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+ }
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+ }
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+ }
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+ }
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+ '
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+}
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+
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+dodbmon() {
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+ while [ 1 ] ; do
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+ date
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+ ldapsearch -xLLL -h $HOST -p $PORT -D "$BINDDN" -w "$BINDPW" -b "$ldbmdn" '(|(cn=config)(cn=database)(cn=monitor))' \
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+ | parseldif
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+ echo ""
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+ sleep $INCR
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+ done
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+}
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+
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+dodbmon
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Noriko Hosoi