Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
1 contributor

Users who have contributed to this file

executable file 107 lines (97 sloc) 2.45 KB
#!/bin/sh
#
# This is unsupport sample deleting cache files script.
# So s3fs's local cache files(stats and objects) grow up,
# you need to delete these.
# This script deletes these files with total size limit
# by sorted atime of files.
# You can modify this script for your system.
#
# [Usage] script <bucket name> <cache path> <limit size> [-silent]
#
func_usage()
{
echo ""
echo "Usage: $1 <bucket name> <cache path> <limit size> [-silent]"
echo " $1 -h"
echo "Sample: $1 mybucket /tmp/s3fs/cache 1073741824"
echo ""
echo " bucket name = bucket name which specified s3fs option"
echo " cache path = cache directory path which specified by"
echo " use_cache s3fs option."
echo " limit size = limit for total cache files size."
echo " specify by BYTE"
echo " -silent = silent mode"
echo ""
}
PRGNAME=`basename $0`
if [ "X$1" = "X-h" -o "X$1" = "X-H" ]; then
func_usage $PRGNAME
exit 0
fi
if [ "X$1" = "X" -o "X$2" = "X" -o "X$3" = "X" ]; then
func_usage $PRGNAME
exit 1
fi
BUCKET=$1
CDIR="$2"
LIMIT=$3
SILENT=0
if [ "X$4" = "X-silent" ]; then
SILENT=1
fi
FILES_CDIR="${CDIR}/${BUCKET}"
STATS_CDIR="${CDIR}/.${BUCKET}.stat"
CURRENT_CACHE_SIZE=`du -sb "$FILES_CDIR" | awk '{print $1}'`
#
# Check total size
#
if [ $LIMIT -ge $CURRENT_CACHE_SIZE ]; then
if [ $SILENT -ne 1 ]; then
echo "$FILES_CDIR ($CURRENT_CACHE_SIZE) is below allowed $LIMIT"
fi
exit 0
fi
#
# Remove loop
#
TMP_ATIME=0
TMP_STATS=""
TMP_CFILE=""
#
# Make file list by sorted access time
#
find "$STATS_CDIR" -type f -exec stat -c "%X:%n" "{}" \; | sort | while read part
do
echo Looking at $part
TMP_ATIME=`echo "$part" | cut -d: -f1`
TMP_STATS="`echo "$part" | cut -d: -f2`"
TMP_CFILE=`echo "$TMP_STATS" | sed s/\.$BUCKET\.stat/$BUCKET/`
if [ `stat -c %X "$TMP_STATS"` -eq $TMP_ATIME ]; then
rm -f "$TMP_STATS" "$TMP_CFILE" > /dev/null 2>&1
if [ $? -ne 0 ]; then
if [ $SILENT -ne 1 ]; then
echo "ERROR: Could not remove files($TMP_STATS,$TMP_CFILE)"
fi
exit 1
else
if [ $SILENT -ne 1 ]; then
echo "remove file: $TMP_CFILE $TMP_STATS"
fi
fi
fi
if [ $LIMIT -ge `du -sb "$FILES_CDIR" | awk '{print $1}'` ]; then
if [ $SILENT -ne 1 ]; then
echo "finish removing files"
fi
break
fi
done
if [ $SILENT -ne 1 ]; then
TOTAL_SIZE=`du -sb "$FILES_CDIR" | awk '{print $1}'`
echo "Finish: $FILES_CDIR total size is $TOTAL_SIZE"
fi
exit 0
#
# End
#
You can’t perform that action at this time.