David Disseldorp 4f4501ac1f printing: only reload printer shares on client enum ...

Currently, automatic printer share updates are handled in the following
way:
- Background printer process (BPP) forked on startup
- Parent smbd and per-client children await MSG_PRINTER_PCAP messages
- BPP periodically polls the printing backend for printcap data
	- printcap data written to printer_list.tdb
	- MSG_PRINTER_PCAP sent to all smbd processes following update
- smbd processes all read the latest printer_list.tdb data, and update
  their share listings

This procedure is not scalable, as all smbd processes hit
printer_list.tdb in parallel, resulting in a large spike in CPU usage.

This change sees smbd processes only update their printer share lists
only when a client asks for this information, e.g. via NetShareEnum or
EnumPrinters.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=10652

Suggested-by: Volker Lendecke <vl@samba.org>
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

2014-08-08 14:10:38 +02:00

..

auth

lib/util: move memcache.[ch] to the toplevel 'samba-util' library

2014-07-18 15:43:33 +02:00

build

waf: improve iconv checks

2014-01-03 05:04:44 +01:00

client

lib: Align unix_timespec_to_nt_time with nt_time_to_unix_timespec

2014-06-30 22:28:14 +02:00

exports

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groupdb

param: rename lp function and variable from "setprimarygroup_script" to "set_primary_group_script"

2014-02-07 16:19:12 -08:00

include

ctdbd_conn: Remove ctdb_packet

2014-08-06 15:40:10 +02:00

intl

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lib

ctdbd_conn: Only poll if there's a timeout

2014-08-06 18:01:53 +02:00

libads

samba: use smb_krb5_create_key_from_string() in some places.

2014-08-08 06:02:34 +02:00

libgpo

libgpo: apply some const.

2014-01-07 18:52:42 +01:00

libnet

idl:drsuapi: Manage all possible lengths of drsuapi_DsBindInfo

2014-07-07 05:22:33 +02:00

librpc

s3:smbd: remember the time of the session setup auth_time

2014-08-06 09:51:14 +02:00

libsmb

samlogon_cache: avoid overwriting info3->base.full_name.string.

2014-07-15 18:25:28 +02:00

locale

winbind/i18n: update Japanese pam winbind translation

2014-07-26 20:43:28 +02:00

locking

locking: posix_lock_list does not use "fsp"

2014-08-06 03:27:36 +02:00

modules

vfs_full_audit: Optionally log security descriptors in FSET_NT_ACL

2014-08-07 22:12:12 +02:00

nmbd

nmbd: Call DEBUGADD instead of Debug1

2014-07-31 18:49:46 +02:00

pam_smbpass

s3:pam_smbpass: explicitly use allow_warnings=True

2014-04-02 09:03:46 +02:00

param

s3:param: remove unused function lp_string_set()

2014-07-31 18:49:46 +02:00

passdb

lib/util: move memcache.[ch] to the toplevel 'samba-util' library

2014-07-18 15:43:33 +02:00

printing

printing: only reload printer shares on client enum

2014-08-08 14:10:38 +02:00

profile

s3: remove some dead code (for setdir command)

2013-03-12 01:03:37 +01:00

registry

lib: directory_create_or_exist() does not use "uid" parameter

2014-07-28 22:04:13 +02:00

rpc_client

s3-rpc_client: return info3 in rpccli_netlogon_password_logon().

2014-07-15 16:00:40 +02:00

rpc_server

printing: only reload printer shares on client enum

2014-08-08 14:10:38 +02:00

rpcclient

s3-rpc_client: return info3 in rpccli_netlogon_password_logon().

2014-07-15 16:00:40 +02:00

script

ntlm_auth: added require-membership tests

2014-07-15 15:59:49 +02:00

selftest

selftest: Run base.delaywrite against plugin_s4_dc only, and with kerberos for faster connections

2014-06-23 23:30:14 +02:00

services

param: Change from _lp to lp__ as the prefix for internal parameter wrappers

2012-04-16 14:32:38 +10:00

smbd

printing: only reload printer shares on client enum

2014-08-08 14:10:38 +02:00

stf

…

torture

lib/util: move memcache.[ch] to the toplevel 'samba-util' library

2014-07-18 15:43:33 +02:00

utils

s3: net time - fix usage and core dump.

2014-07-30 13:32:47 +02:00

web

swat: Remove swat.

2013-05-18 16:32:38 +02:00

winbindd

winbindd-irpc: Ensure not to call irpc_send_reply twice on error

2014-08-01 12:11:28 +02:00

.clang_complete

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.dmallocrc

…

.indent.pro

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change-log

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Doxyfile

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mainpage.dox

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smbadduser.in

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wscript

smbd/nmbd: Remove HAVE_LONGLONG

2014-07-22 15:32:39 +02:00

wscript_build

ctdbd_conn: Remove ctdb_packet

2014-08-06 15:40:10 +02:00

wscript_configure_system_ncurses

build: fix --with-regedit to properly honour the yes/no/auto scheme

2013-05-06 18:24:58 +02:00