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| -rwxr-xr-x | munin/postgres-WAL-traffic | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/munin/postgres-WAL-traffic b/munin/postgres-WAL-traffic new file mode 100755 index 0000000..4fc78c7 --- /dev/null +++ b/munin/postgres-WAL-traffic @@ -0,0 +1,50 @@ +#!/bin/bash + +# Copyright Peter Palfrader <peter@palfrader.org> +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +if [ "$1" = "autoconf" ]; then + echo yes + exit 0 +fi + +if [ "$1" = "config" ]; then + echo 'graph_title Postgres WAL Traffic' + echo 'graph_args -l 0' + echo 'graph_vlabel bytes/min' + echo 'graph_info This graph shows amount of transaction log traffic' + echo 'walt.label WAL Traffic' + echo 'walt.cdef walt,60,*' + echo 'walt.type DERIVE' + echo 'walt.draw AREA' + exit 0 +fi + + +INFO=`psql -p 5433 --no-align --command 'SELECT * FROM pg_xlogfile_name_offset(pg_current_xlog_insert_location())' --field-separator ' ' --quiet | tail -n2 | head -n1` + +file=`echo "$INFO" | awk '{print $1}'` +offset=`echo "$INFO" | awk '{print $2}'` + +serial=`echo "$file" | cut -b 9- | sed -e s/^0*/0x/` + +bytes=$(( serial * 16*1024*1024 + offset )) +echo echo "walt.value $bytes" |