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Maxjobs being ignored in cupsd.conf #1546
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CUPS.org User: mike Are you using the standard 1.1.23 release, or packages from a Linux distributor? Can you attach your error_log and cupsd.conf files? |
CUPS.org User: mike Thanks for the files; will get to it after I return from the printing summit... |
CUPS.org User: ericross I discovered something ... The program generating the print jobs is writing to the UNC name of the Samba print queue. I found a setting in Samba that was also limiting print jobs to 1000 per queue. I increased Samba and CUPS to 5000 jobs. In testing, I've gotten it over 4000 jobs in a stopped queue. It appears to be working. Sorry for the trouble. Thanks. |
"cupsd.conf": "$Id: cupsd.conf.in,v 1.5 2002/05/27 14:40:42 mike Exp $"Sample configuration file for the Common UNIX Printing System (CUPS)scheduler.Copyright 1997-2002 by Easy Software Products, all rights reserved.These coded instructions, statements, and computer programs are theproperty of Easy Software Products and are protected by Federalcopyright law. Distribution and use rights are outlined in the file"LICENSE.txt" which should have been included with this file. If thisfile is missing or damaged please contact Easy Software Productsat:Attn: CUPS Licensing InformationEasy Software Products44141 Airport View Drive, Suite 204Hollywood, Maryland 20636-3111 USAVoice: (301) 373-9603EMail: cups-info@cups.orgWWW: http://www.cups.org######################################################################## This is the CUPS configuration file. If you are familiar withApache or any of the other popular web servers, we've followed thesame format. Any configuration variable used here has the samesemantics as the corresponding variable in Apache. If we needdifferent functionality then a different name is used to avoidconfusion...######################################################################## ######## ServerName: the hostname of your server, as advertised to the world.By default CUPS will use the hostname of the system.To set the default server used by clients, see the client.conf file.#ServerName myhost.domain.com ServerAdmin: the email address to send all complaints/problems to.By default CUPS will use "root@hostname".#ServerAdmin root@your.domain.com ######## AccessLog: the access log file; if this does not start with a leading /then it is assumed to be relative to ServerRoot. By default set to"/var/log/cups/access_log"You can also use the special name "syslog" to send the output to thesyslog file or daemon.#AccessLog /var/log/cups/access_log Classification: the classification level of the server. If set, thisclassification is displayed on all pages, and raw printing is disabled.The default is the empty string.#Classification classified ClassifyOverride: whether to allow users to override the classificationon printouts. If enabled, users can limit banner pages to before orafter the job, and can change the classification of a job, but cannotcompletely eliminate the classification or banners.The default is off.#ClassifyOverride off DataDir: the root directory for the CUPS data files.By default "/usr/share/cups".#DataDir /usr/share/cups DefaultCharset: the default character set to use. If not specified,defaults to "utf-8". Note that this can also be overridden inHTML documents...#DefaultCharset utf-8 DefaultLanguage: the default language if not specified by the browser.If not specified, the current locale is used.#DefaultLanguage en DocumentRoot: the root directory for HTTP documents that are served.By default "/usr/share/doc/cups".#DocumentRoot /usr/share/doc/cups ErrorLog: the error log file; if this does not start with a leading /then it is assumed to be relative to ServerRoot. By default set to"/var/log/cups/error_log"You can also use the special name "syslog" to send the output to thesyslog file or daemon.#ErrorLog /var/log/cups/error_log FontPath: the path to locate all font files (currently only for pstoraster)By default "/usr/share/cups/fonts".#FontPath /usr/share/cups/fonts LogLevel: controls the number of messages logged to the ErrorLogfile and can be one of the following:debug2 Log everything.debug Log almost everything.info Log all requests and state changes.warn Log errors and warnings.error Log only errors.none Log nothing.#LogLevel info MaxLogSize: controls the maximum size of each log file before they arerotated. Defaults to 1048576 (1MB). Set to 0 to disable log rotating.#MaxLogSize 0 PageLog: the page log file; if this does not start with a leading /then it is assumed to be relative to ServerRoot. By default set to"/var/log/cups/page_log"You can also use the special name "syslog" to send the output to thesyslog file or daemon.#PageLog /var/log/cups/page_log PreserveJobHistory: whether or not to preserve the job history after ajob is completed, cancelled, or stopped. Default is Yes.#PreserveJobHistory Yes PreserveJobFiles: whether or not to preserve the job files after ajob is completed, cancelled, or stopped. Default is No.#PreserveJobFiles No AutoPurgeJobs: automatically purge jobs when not needed for quotas.Default is No.#AutoPurgeJobs No MaxJobs: maximum number of jobs to keep in memory (active and completed.)Default is 500; the value 0 is used for no limit.#MaxJobs 500 Printcap: the name of the printcap file. Default is /etc/printcap.Leave blank to disable printcap file generation.#Printcap /etc/printcap PrintcapFormat: the format of the printcap file, currently eitherBSD or Solaris. The default is "BSD".#PrintcapFormat BSD PrintcapGUI: the name of the GUI options panel program to associatewith print queues under IRIX. The default is "/usr/bin/glpoptions"from ESP Print Pro.This option is only used under IRIX; the options panel programmust accept the "-d printer" and "-o options" options and writethe selected printer options back to stdout on completion.#PrintcapGUI /usr/bin/glpoptions RequestRoot: the directory where request files are stored.By default "/var/spool/cups".#RequestRoot /var/spool/cups RemoteRoot: the name of the user assigned to unauthenticated accessesfrom remote systems. By default "remroot".#RemoteRoot remroot ServerBin: the root directory for the scheduler executables.By default "/usr/lib/cups".#ServerBin /usr/lib/cups ServerRoot: the root directory for the scheduler.By default "/etc/cups".#ServerRoot /etc/cups ######## ServerCertificate: the file to read containing the server's certificate.Defaults to "/etc/cups/ssl/server.crt".#ServerCertificate /etc/cups/ssl/server.crt ServerKey: the file to read containing the server's key.Defaults to "/etc/cups/ssl/server.key".#ServerKey /etc/cups/ssl/server.key ######## User/Group: the user and group the server runs under. Normally thismust be lp and sys, however you can configure things for anotheruser or group as needed.Note: the server must be run initially as root to support thedefault IPP port of 631. It changes users whenever an externalprogram is run, or if the RunAsUser directive is specified...#User lp RIPCache: the amount of memory that each RIP should use to cachebitmaps. The value can be any real number followed by "k" forkilobytes, "m" for megabytes, "g" for gigabytes, or "t" for tiles(1 tile = 256x256 pixels.) Defaults to "8m" (8 megabytes).#RIPCache 8m TempDir: the directory to put temporary files in. This directory must bewritable by the user defined above! Defaults to "/var/spool/cups/tmp" orthe value of the TMPDIR environment variable.#TempDir /var/spool/cups/tmp FilterLimit: sets the maximum cost of all job filters that can be runat the same time. A limit of 0 means no limit. A typical job may needa filter limit of at least 200; limits less than the minimum requiredby a job force a single job to be printed at any time.The default limit is 0 (unlimited).#FilterLimit 0 ######## Ports/addresses that we listen to. The default port 631 is reservedfor the Internet Printing Protocol (IPP) and is what we use here.You can have multiple Port/Listen lines to listen to more than oneport or address, or to restrict access:Port 80Port 631Listen hostnameListen hostname:80Listen hostname:631Listen 1.2.3.4Listen 1.2.3.4:631NOTE: Unfortunately, most web browsers don't support TLS or HTTP Upgradesfor encryption. If you want to support web-based encryption you'llprobably need to listen on port 443 (the "https" port...)#Port 80 HostNameLookups: whether or not to do lookups on IP addresses to get afully-qualified hostname. This defaults to Off for performance reasons...#HostNameLookups On KeepAlive: whether or not to support the Keep-Alive connectionoption. Default is on.#KeepAlive On KeepAliveTimeout: the timeout before Keep-Alive connections areautomatically closed. Default is 60 seconds.#KeepAliveTimeout 60 MaxClients: controls the maximum number of simultaneous clients thatwill be handled. Defaults to 100.#MaxClients 100 MaxRequestSize: controls the maximum size of HTTP requests and print files.Set to 0 to disable this feature (defaults to 0.)#MaxRequestSize 0 Timeout: the timeout before requests time out. Default is 300 seconds.#Timeout 300 ######## Browsing: whether or not to broadcast and/or listen for CUPS printerinformation on the network. Enabled by default.#Browsing On BrowseProtocols: which protocols to use for browsing. Can beany of the following separated by whitespace and/or commas:all - Use all supported protocols.cups - Use the CUPS browse protocol.slp - Use the SLPv2 protocol.The default is "cups".NOTE: If you choose to use SLPv2, it is strongly recommended thatyou have at least one SLP Directory Agent (DA) on yournetwork. Otherwise, browse updates can take several seconds,during which the scheduler will not response to clientrequests.#BrowseProtocols cups BrowseAddress: specifies a broadcast address to be used. Bydefault browsing information is not sent!Note: HP-UX does not properly handle broadcast unless you have aClass A, B, C, or D netmask (i.e. no CIDR support).Note: Using the "global" broadcast address (255.255.255.255) willactivate a Linux demand-dial link with the default configuration.If you have a LAN as well as the dial-up link, use the LAN'sbroadcast address.The @Local address broadcasts to all non point-to-point interfaces.For example, if you have a LAN and a dial-up link, @Local wouldsend printer updates to the LAN but not to the dial-up link.Similarly, the @if(name) address sends to the named networkinterface, e.g. @if(eth0) under Linux. Interfaces are refreshedautomatically (no more than once every 60 seconds), so they canbe used on dynamically-configured interfaces, e.g. PPP, 802.11, etc.#BrowseAddress x.y.z.255 BrowseShortNames: whether or not to use "short" names for remote printerswhen possible (e.g. "printer" instead of "printer@host".) Enabled bydefault.#BrowseShortNames Yes BrowseAllow: specifies an address mask to allow for incoming browserpackets. The default is to allow packets from all addresses.BrowseDeny: specifies an address mask to deny for incoming browserpackets. The default is to deny packets from no addresses.Both "BrowseAllow" and "BrowseDeny" accept the following notations foraddresses:AllNone*.domain.com.domain.comhost.domain.comnnn.*nnn.nnn.*nnn.nnn.nnn.*nnn.nnn.nnn.nnnnnn.nnn.nnn.nnn/mmnnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm@Local@if(name)The hostname/domainname restrictions only work if you have turned hostnamelookups on!#BrowseAllow address BrowseInterval: the time between browsing updates in seconds. Defaultis 30 seconds.Note that browsing information is sent whenever a printer's state changesas well, so this represents the maximum time between updates.Set this to 0 to disable outgoing broadcasts so your local printers arenot advertised but you can still see printers on other hosts.#BrowseInterval 30 BrowseOrder: specifies the order of BrowseAllow/BrowseDeny comparisons.#BrowseOrder allow,deny BrowsePoll: poll the named server(s) for printers#BrowsePoll address:port BrowsePort: the port used for UDP broadcasts. By default this isthe IPP port; if you change this you need to do it on all servers.Only one BrowsePort is recognized.#BrowsePort 631 BrowseRelay: relay browser packets from one address/network to another.#BrowseRelay source-address destination-address BrowseTimeout: the timeout for network printers - if we don'tget an update within this time the printer will be removedfrom the printer list. This number definitely should not beless the BrowseInterval value for obvious reasons. Defaultsto 300 seconds.#BrowseTimeout 300 ImplicitClasses: whether or not to use implicit classes.Printer classes can be specified explicitly in the classes.conffile, implicitly based upon the printers available on the LAN, orboth.When ImplicitClasses is On, printers on the LAN with the same name(e.g. Acme-LaserPrint-1000) will be put into a class with the samename. This allows you to setup multiple redundant queues on a LANwithout a lot of administrative difficulties. If a user sends ajob to Acme-LaserPrint-1000, the job will go to the first availablequeue.Enabled by default.#ImplicitClasses On ImplicitAnyClasses: whether or not to create "AnyPrinter" implicitclasses.When ImplicitAnyClasses is On and a local queue of the same nameexists, e.g. "printer", "printer@server1", "printer@server1", thenan implicit class called "Anyprinter" is created instead.When ImplicitAnyClasses is Off, implicit classes are not createdwhen there is a local queue of the same name.Disabled by default.#ImplicitAnyCLasses Off HideImplicitMembers: whether or not to show the members of animplicit class.When HideImplicitMembers is On, any remote printers that arepart of an implicit class are hidden from the user, who willthen only see a single queue even though many queues will besupporting the implicit class.Enabled by default.#HideImplicitMembers On ######## SystemGroup: the group name for "System" (printer administration)access. The default varies depending on the operating system, butwill be "sys", "system", or "root" (checked for in that order.)#SystemGroup sys Access permissions for each directory served by the scheduler.Locations are relative to DocumentRoot...AuthType: the authorization to use:None - Perform no authenticationBasic - Perform authentication using the HTTP Basic method.Digest - Perform authentication using the HTTP Digest method.(Note: local certificate authentication can be substituted bythe client for Basic or Digest when connecting to thelocalhost interface)AuthClass: the authorization class; currently only "Anonymous", "User","System" (valid user belonging to group SystemGroup), and "Group"(valid user belonging to the specified group) are supported.AuthGroupName: the group name for "Group" authorization.Order: the order of Allow/Deny processing.Allow: allows access from the specified hostname, domain, IP address,network, or interface.Deny: denies access from the specified hostname, domain, IP address,network, or interface.Both "Allow" and "Deny" accept the following notations for addresses:AllNone*.domain.com.domain.comhost.domain.comnnn.*nnn.nnn.*nnn.nnn.nnn.*nnn.nnn.nnn.nnnnnn.nnn.nnn.nnn/mmnnn.nnn.nnn.nnn/mmm.mmm.mmm.mmm@Local@if(name)The host and domain address require that you enable hostname lookupswith "HostNameLookups On" above.The @Local address allows or denies from all non point-to-pointinterfaces. For example, if you have a LAN and a dial-up link,@Local could allow connections from the LAN but not from the dial-uplink. Similarly, the @if(name) address allows or denies from thenamed network interface, e.g. @if(eth0) under Linux. Interfaces arerefreshed automatically (no more than once every 60 seconds), sothey can be used on dynamically-configured interfaces, e.g. PPP,802.11, etc.Encryption: whether or not to use encryption; this depends on havingthe OpenSSL library linked into the CUPS library and scheduler.Possible values:Always - Always use encryption (SSL)Never - Never use encryptionRequired - Use TLS encryption upgradeIfRequested - Use encryption if the server requests itThe default value is "IfRequested".Order Deny,Allow Deny From All Allow From 127.0.0.1 Allow From 192.168.4.#<Location /classes> You may wish to limit access to printers and classes, either with Allowand Deny lines, or by requiring a username and password.# #<Location /classes/name> You may wish to limit access to printers and classes, either with Allowand Deny lines, or by requiring a username and password.# <Location /jobs> You may wish to limit access to job operations, either with Allowand Deny lines, or by requiring a username and password.AuthType Basic Require valid-user#<Location /printers> You may wish to limit access to printers and classes, either with Allowand Deny lines, or by requiring a username and password.# #<Location /printers/name> You may wish to limit access to printers and classes, either with Allowand Deny lines, or by requiring a username and password.Anonymous access (default)#AuthType None Require a username and password (Basic authentication)#AuthType Basic Require a username and password (Digest/MD5 authentication)#AuthType Digest Restrict access to local domain#Order Deny,Allow <Location /admin> You definitely will want to limit access to the administration functions.The default configuration requires a local connection from a user whois a member of the system group to do any admin tasks. You can changethe group name using the SystemGroup directive.AuthType Basic Restrict access to local domainOrder Deny,Allow #Encryption Required End of "$Id: cupsd.conf.in,v 1.5 2002/05/27 14:40:42 mike Exp $". |
Version: 1.1.23
CUPS.org User: ericross
Same problem as #999.
Setting MaxJobs to 0 or any number above 1000 still limits the number of jobs to 1000 at most. We have a program that spools several hundred jobs to a print queue and the queue sometimes stops accepting at around 300-400 jobs, when other print queues have no more than 10 jobs all combined.
Will this be fixed or is there a workaround?
Some cupsd.conf settings:
PreserveJobHistory No
PreserveJobFiles No
AutoPurgeJobs Yes (we're not using quotas, but I set it anyway)
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