Major rework, no longer using arrays. Arrays don't scale and require enormous amounts of memmory when processing large input files. Will be released as 2.70.
This commit is contained in:
Louwrentius
parent
9feea3fb59
commit
0db3781021
93
ppss
93
ppss
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@ -25,7 +25,7 @@ trap 'kill_process' SIGINT
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# Setting some vars.
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SCRIPT_NAME="Distributed Parallel Processing Shell Script"
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SCRIPT_VERSION="2.65"
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SCRIPT_VERSION="2.70"
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# The first argument to this script can be a mode.
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MODES="node start config stop pause continue deploy status erase kill ec2"
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@ -73,6 +73,9 @@ PAUSE_DELAY="60" # Polling every 1 minu
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STOP_SIGNAL="$PPSS_HOME_DIR/$PPSS_DIR/stop_signal" # Stop processing if this file is present.
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ARRAY_POINTER_FILE="$PPSS_DIR/ppss-array-pointer-$PID" # Pointer for keeping track of processed items.
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ARRAY=""
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GLOBAL_COUNTER=""
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GLOBAL_COUNTER_FILE="$PPSS_DIR/ppss-input-counter-$PID"
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LOCAL_INPUT_FILE="$PPSS_DIR/INPUT_FILE-$PID"
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JOB_LOG_DIR="$PPSS_DIR/job_log" # Directory containing log files of processed items.
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LOGFILE="$PPSS_DIR/ppss-log-$PID.txt" # General PPSS log file. Contains lots of info.
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QUIET="0"
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@ -435,9 +438,9 @@ cleanup () {
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rm "$FIFO"
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fi
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if [ -e "$ARRAY_POINTER_FILE" ]
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if [ -e "$GLOBAL_COUNTER_FILE" ]
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then
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rm "$ARRAY_POINTER_FILE"
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rm "$GLOBAL_COUNTER_FILE"
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fi
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if [ -e "$GLOBAL_LOCK" ]
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@ -836,7 +839,7 @@ init_vars () {
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exit 1
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fi
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echo 0 > $ARRAY_POINTER_FILE
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echo 1 > $GLOBAL_COUNTER_FILE
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FIFO=/tmp/ppss-fifo-$RANDOM-$RANDOM
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@ -1508,15 +1511,17 @@ get_all_items () {
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if [ -z "$INPUT_FILE" ]
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then
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if [ ! -z "$SSH_SERVER" ] # Are we running stand-alone or as a slave?"
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if [ ! -z "$SSH_SERVER" ] # Are we running stand-alone or as a node?"
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then
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if [ "$RECURSION" == "1" ]
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then
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ITEMS=`exec_cmd "find $SRC_DIR/ ! -type d"`
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#ITEMS=`exec_cmd "find $SRC_DIR/ ! -type d"`
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`exec_cmd "find $SRC_DIR/ ! -type d"` >> "$LOCAL_INPUT_FILE"
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check_status "$?" "$FUNCNAME" "Could not list files within remote source directory."
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else
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log DEBUG "Recursion is disabled."
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ITEMS=`exec_cmd "ls -1 $SRC_DIR"`
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#ITEMS=`exec_cmd "ls -1 $SRC_DIR"`
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`exec_cmd "ls -1 $SRC_DIR"` >> "$LOCAL_INPUT_FILE"
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check_status "$?" "$FUNCNAME" "Could not list files within remote source directory."
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fi
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else
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@ -1524,29 +1529,31 @@ get_all_items () {
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then
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if [ "$RECURSION" == "1" ]
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then
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ITEMS=`find "$SRC_DIR/" ! -type d`
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log DEBUG "Recursion is enabled."
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#ITEMS=`find "$SRC_DIR/" ! -type d`
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`find "$SRC_DIR/" ! -type d >> "$LOCAL_INPUT_FILE"`
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check_status "$?" "$FUNCNAME" "Could not list files within local source directory."
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else
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log DEBUG "Recursion is disabled."
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ITEMS=`ls -1 "$SRC_DIR"`
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#ITEMS=`ls -1 "$SRC_DIR"`
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`ls -1 "$SRC_DIR" >> "$LOCAL_INPUT_FILE"`
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check_status "$?" "$FUNCNAME" "Could not list files within local source directory."
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fi
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if [ ! -e "$LOCAL_INPUT_FILE" ]
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then
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log ERROR "Local input file is not created, something is wrong. Bug?"
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set_status "ERROR"
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cleanup
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exit 1
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fi
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else
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ITEMS=""
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fi
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fi
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IFS=$'\n'
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for x in $ITEMS
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do
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ARRAY[$count]="$x"
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((count++))
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done
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IFS=$IFS_BACKUP
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else
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if [ ! -z "$SSH_SERVER" ] # Are we running stand-alone or as a slave?"
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then
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log DEBUG "Running as slave, input file has been pushed (hopefully)."
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log DEBUG "Running as node, input file has been pushed (hopefully)."
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fi
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if [ ! -e "$INPUT_FILE" ] && [ ! "$INPUT_FILE" == "-" ]
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then
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@ -1558,22 +1565,13 @@ get_all_items () {
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if [ ! "$INPUT_FILE" == "-" ]
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then
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exec 10<"$INPUT_FILE"
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while read LINE <&10
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do
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ARRAY[$count]=$LINE
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((count++))
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done
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exec 10>&-
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cp "$INPUT_FILE" "$LOCAL_INPUT_FILE"
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check_status "$?" "$FUNCNAME" "Copy of input file failed!"
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else
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log DEBUG "Reading from stdin.."
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while read LINE
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do
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ARRAY[$count]=$LINE
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((count++))
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echo "$LINE" >> "$LOCAL_INPUT_FILE"
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done
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fi
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fi
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@ -1583,8 +1581,8 @@ get_all_items () {
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release_input_lock
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fi
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SIZE_OF_ARRAY="${#ARRAY[@]}"
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if [ "$SIZE_OF_ARRAY" -le "0" ]
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SIZE_OF_INPUT=$(wc -l "$LOCAL_INPUT_FILE" | awk '{ print $1 }')
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if [ "$SIZE_OF_INPUT" -le "0" ]
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then
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log ERROR "Source file/dir seems to be empty."
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set_status STOPPED
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@ -1604,12 +1602,12 @@ get_item () {
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get_global_lock
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SIZE_OF_ARRAY="${#ARRAY[@]}"
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SIZE_OF_INPUT=$(wc -l "$LOCAL_INPUT_FILE" | awk '{ print $1 }')
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log DEBUG "sizeofinput $SIZE_OF_INPUT"
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#
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# Return error if the array is empty.
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#
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if [ "$SIZE_OF_ARRAY" -le "0" ]
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if [ "$SIZE_OF_INPUT" -le "0" ]
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then
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release_global_lock
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return 1
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@ -1618,28 +1616,31 @@ get_item () {
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#
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# This variable is used to walk thtough all array items.
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#
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ARRAY_POINTER=`cat $ARRAY_POINTER_FILE`
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GLOBAL_COUNTER=$(cat $GLOBAL_COUNTER_FILE)
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log DEBUG "globalcounter $GLOBAL_COUNTER"
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#
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# Check if all items have been processed.
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#
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if [ "$ARRAY_POINTER" -ge "$SIZE_OF_ARRAY" ]
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if [ "$GLOBAL_COUNTER" -gt "$SIZE_OF_INPUT" ]
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then
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release_global_lock
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return 1
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fi
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ITEM="${ARRAY[$ARRAY_POINTER]}"
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ITEM="$(sed -n $GLOBAL_COUNTER\p $LOCAL_INPUT_FILE)"
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log DEBUG "item dus is $ITEM"
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if [ -z "$ITEM" ]
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then
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((ARRAY_POINTER++))
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echo $ARRAY_POINTER > $ARRAY_POINTER_FILE
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((GLOBAL_COUNTER++))
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log DEBUG "Item was emtpy..."
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echo $GLOBAL_COUNTER > $GLOBAL_COUNTER_FILE
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release_global_lock
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get_item
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else
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((ARRAY_POINTER++))
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echo $ARRAY_POINTER > $ARRAY_POINTER_FILE
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((GLOBAL_COUNTER++))
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echo $GLOBAL_COUNTER > $GLOBAL_COUNTER_FILE
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lock_item "$ITEM"
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if [ ! "$?" == "0" ]
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then
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@ -2039,15 +2040,15 @@ listen_for_job () {
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fi
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get_global_lock
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SIZE_OF_ARRAY="${#ARRAY[@]}"
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ARRAY_POINTER=`cat $ARRAY_POINTER_FILE`
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SIZE_OF_INPUT=$(wc -l "$LOCAL_INPUT_FILE" | awk '{ print $1 }')
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GLOBAL_COUNTER=$(cat $GLOBAL_COUNTER_FILE)
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release_global_lock
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PERCENT=$((100 * $ARRAY_POINTER / $SIZE_OF_ARRAY ))
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PERCENT=$((100 * $GLOBAL_COUNTER / $SIZE_OF_INPUT ))
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if [ "$DIED" == "0" ] && [ "$FINISHED" == "0" ]
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then
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if [ "$QUIET" == "0" ]
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then
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log PRCNT "Currently $PERCENT percent complete. Processed $ARRAY_POINTER of $SIZE_OF_ARRAY items."
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log PRCNT "Currently $PERCENT percent complete. Processed $GLOBAL_COUNTER of $SIZE_OF_INPUT items."
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elif [ "$DAEMON" == "0" ]
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then
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echo -en "\r$PERCENT%"
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@ -1,7 +1,7 @@
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#!/bin/bash
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DEBUG="$1"
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VERSION="2.65"
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VERSION="2.70"
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TMP_DIR="ppss"
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PPSS=./ppss
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PPSS_DIR=ppss_dir
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