Delete Map Server Cache

Summary

Deletes an existing map or image service cache, including all associated files on disk.

Legacy:

Parameters have changed for this tool at version 10.1. Models and scripts written prior to 10.1 that use this tool will need to be modified to work in 10.1.

Usage

• This is an unrecoverable operation so only use if you are sure you no longer need the cache. If you want to delete tiles but leave the cache folder structure and tiling scheme, use the Manage Map Server Cache Tiles tool with the Update Mode set to Delete_Tiles.

• After this tool runs, the service will be restarted.

Syntax

DeleteMapServerCache_server (input_service, {num_of_caching_service_instances})

Parameter	Explanation	Data Type
input_service	The map or image service whose cache will be deleted. This is a string containing both the server and service information. To see how to construct this string, open ArcCatalog, select your service in the Catalog tree, and note the text in the Location toolbar. Then change the backslashes to forward slashes, for example, GIS Servers/arcgis on MYSERVER (admin)/USA.MapServer.	String
num_of_caching_service_instances (Optional)	The total number of instances of the System/CachingTools service that you want to dedicate toward running this tool. You can increase the maximum number of instances per machine of the System/CachingTools service using the Service Editor window available through an administrative connection to ArcGIS Server. Ensure your server machines can support the chosen number of instances. The Delete Map Server Cache tool requires a minimum of two instances to run successfully.	Long

Code Sample

DeleteMapServerCache exampleThis example uses DeleteMapServerCache to delete a cache for a map service named Rainfall.

# Name: DeleteMapServerCache.py
# Description: The following stand-alone script demonstrates how to delete map server cache
#              tiles if the corresponding cache schema or tiles has been created
# Requirements: os, sys, time & traceback modules

# Any line that begins with a pound sign is a comment and will not be executed
# Empty quotes take the default value.
# To accept arguments from the command line replace values of variables to
#                                                           "sys.argv[]"

# Import system modules
import arcpy
from arcpy import env
import os, sys, time, datetime, traceback, string

# Set environment settings
env.workspace = "C:/data"

# List of variables for mapservice properties
connectionFile = r"C:\Users\<username>\AppData\Roaming\ESRI\Desktop10.1\ArcCatalog"
server = "arcgis on MyServer_6080 (publisher)"
serviceName = "Rainfall.MapServer"
inputService = connectionFile + "\\" + server + "\\" + serviceName
numOfCachingServiceInstances = 2


currentTime = datetime.datetime.now()
arg1 = currentTime.strftime("%H-%M")
arg2 = currentTime.strftime("%Y-%m-%d %H:%M")
file = 'C:/data/report_%s.txt' % arg1

# print results of the script to a report
report = open (file,'w')

# To Recreate all the tiles for the default number of scales generated
try:
    starttime = time.clock()
    result = arcpy.DeleteMapServerCache_server(inputService,
                                               numOfCachingServiceInstances)
    finishtime = time.clock()
    elapsedtime = finishtime - starttime

    #print messages to a file
    while result.status < 4:
        time.sleep(0.2)
    resultValue = result.getMessages()
    report.write ("completed " + str(resultValue))

    print "Deleted cache tiles & schema for mapservice " + serviceName
    "\n  in " + str(elapsedtime) + " sec \n on " + arg2
    
except Exception, e:
    # If an error occurred, print line number and error message
    tb = sys.exc_info()[2]
    report.write("Failed at \n" "Line %i" % tb.tb_lineno)
    report.write(e.message)


print "Deleted Map server Cache Tiles "

report.close()

Environments

This tool does not use any geoprocessing environments

Licensing Information

• ArcGIS for Desktop Basic: Yes
• ArcGIS for Desktop Standard: Yes
• ArcGIS for Desktop Advanced: Yes

Feedback on this topic?