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86 Commits

Author SHA1 Message Date
Mark Andrews
7963a67df0 address statement not reached warning 2009-11-06 04:12:15 +00:00
Tatuya JINMEI 神明達哉
307d208450 2660. [func] Add a new set of DNS libraries for non-BIND9 
applications.  See README.libdns. [RT #19369]
 2009-09-01 00:22:28 +00:00
Tatuya JINMEI 神明達哉
5d7849ad7f 2596. [bug] Stale tree nodes of cache/dynamic rbtdb could stay 
long, leading to inefficient memory usage or rejecting
			newer cache entries in the worst case. [RT #19563]
 2009-05-06 22:53:54 +00:00
Francis Dupont
584848087f spelling 2009-01-17 14:18:27 +00:00
Automatic Updater
9e0d0a279b update copyright notice 2009-01-09 23:47:46 +00:00
Tatuya JINMEI 神明達哉
7781f25078 2526. [func] New named option "attach-cache" that allows multiple 
views to share a single cache to save memory and
			improve lookup efficiency. [RT 18905]
 2009-01-09 22:24:37 +00:00
Mark Andrews
6098d364b6 2448. [func] Add NSEC3 support. [RT #15452] 2008-09-24 02:46:23 +00:00
Tatuya JINMEI 神明達哉
5c024f7877 cleanups for LRU-caching code [RT #18018] 2008-05-01 18:23:07 +00:00
Automatic Updater
f172f06ff2 update copyright notice 2008-02-07 23:46:54 +00:00
Mark Andrews
9a7d202077 2330. [bug] Remove potential race condition when handling 
over memory events. [RT #17572]

                        WARNING: API CHANGE: over memory callback
                        function now needs to call isc_mem_waterack().
                        See <isc/mem.h> for details.
 2008-02-07 02:41:26 +00:00
Michael Graff
b239c8294a commit lruttl to the mainline. A tag was set called skan_lruttl-mainline-base, and I will tag this as skan_lruttl-mainline-merge after this commit 2007-10-19 17:15:53 +00:00
Automatic Updater
70e5a7403f update copyright notice 2007-06-19 23:47:24 +00:00
Automatic Updater
ec5347e2c7 update copyright notice 2007-06-18 23:47:57 +00:00
Mark Andrews
854dac0f18 2063. [bug] Change #1955 introduced a bug which caused the first 
'rndc flush' call to not free memory. [RT #16244]
 2006-08-01 01:03:27 +00:00
Mark Andrews
ce9cfc26a1 log message typo and %d -> %u 2006-07-19 00:24:17 +00:00
Mark Andrews
b6f900cd8d ISC_LOG_INFO -> ISC_LOG_DEBUG(1) 2006-06-13 04:49:18 +00:00
Mark Andrews
b66ca17f29 2019. [tuning] Reduce the amount of work performed per quantum 
when cleaning the cache. [RT #15986]
 2006-05-16 03:54:35 +00:00
Mark Andrews
481d821ad0 comment: cleanng -> cleaning 2006-05-04 02:24:06 +00:00
Mark Andrews
d0207ee71b 1955. [bug] Pre-allocate the cache cleaning interator. [RT #14998] 
Fix the CLEANER_IDLE macro to make this change complete. [RT #15815]
 2006-01-26 22:56:04 +00:00
Mark Andrews
1b06367c34 update copyright notice 2006-01-06 00:01:44 +00:00
Mark Andrews
6178552326 1955. [bug] Pre-allocate the cache cleaning interator. [RT #14998] 2006-01-05 00:13:58 +00:00
Mark Andrews
4c1817c29c damp interations adjustments [RT#15404 2005-09-20 04:22:46 +00:00
Mark Andrews
676619a22f win32 fixes 2005-09-05 02:54:38 +00:00
Mark Andrews
4e1d3e67cd 1914. [bug] Strings returned from cfg_obj_asstring() should be 
treated as read-only.  The prototype for
                        cfg_obj_asstring() has been updated to reflect this.
                        [RT #15256]
 2005-08-23 02:36:11 +00:00
Mark Andrews
261a6a1f7d 1911. [func] Attempt to make the amount of work performed in a 
iteration self tuning.  The covers nodes clean from
                        the cache per iteration, nodes written to disk when
                        rewriting a master file and nodes destroyed per
                        iteration when destroying a zone or a cache.
                        [RT #14996]
 2005-08-15 01:21:07 +00:00
Mark Andrews
18d0b5e54b 1900. [port] freebsd: pthread_mutex_init can fail if it runs out 
of memory. [RT #14995]
 2005-07-12 01:00:20 +00:00
Rob Austein
ab023a6556 1851. [doc] Doxygen comment markup. [RT #11398] 2005-04-27 04:57:32 +00:00
Mark Andrews
b7b6b01a0d update copyright 2005-03-16 00:55:19 +00:00
Mark Andrews
e90994e3f3 1799. [bug] 'rndc flushname' failed to flush negative cache 
entries. [RT #13438]
 2005-03-15 02:48:58 +00:00
Mark Andrews
dafcb997e3 update copyright notice 2004-03-05 05:14:21 +00:00
Mark Andrews
e724512f2b 1525. [bug] dns_cache_create() could dereference a NULL pointer 
during error cleanup.
 2003-10-15 07:01:45 +00:00
Mark Andrews
d88e1c30a4 three -> two 2003-10-13 00:40:29 +00:00
Mark Andrews
93d6dfaf66 1516. [func] Roll the DNSSEC types to RRSIG, NSEC and DNSKEY. 2003-09-30 06:00:40 +00:00
Mark Andrews
acc8b7ac3d 1299. [port] Darwin uses (unsigned long) for size_t. [RT #2590] 2002-05-23 04:32:30 +00:00
Andreas Gustafsson
1f1d36a87b Check return values or cast them to (void), as required by the coding 
standards; add exceptions to the coding standards for cases where this is
not desirable
 2001-11-30 01:59:49 +00:00
Mark Andrews
6c8abf481d 1138. [func] It is now possible to flush given names from the 
cache dns_cache_flushname().
 2001-11-27 03:10:32 +00:00
Andreas Gustafsson
f3ca27e9fe sizeof style 2001-11-12 19:05:39 +00:00
Mark Andrews
3476dfe9d7 mutex leak 2001-10-23 01:21:44 +00:00
Andreas Gustafsson
ce3c351d81 eliminated race condition in water() [RT #1932] 2001-10-23 00:56:33 +00:00
Andreas Gustafsson
86a292d459 added more logging to help track down RT #1912 if not fixed by previous commit 2001-10-18 01:48:35 +00:00
Andreas Gustafsson
937ccb270e The call to incremental_cleaning_action() added to cleaning_timer_action() 
in revision 1.40 is clearly incorrect.  If the cleaner is already in the busy state, a call to
incremental_cleaning_action() has already been scheduled as an event, and there is no
need to do an extra call.  Furthermore, the call passed the timer event as an argument
to incremental_cleaning_action(), which would ultimately cause it to be passed
to end_cleanin() and assigned to cleaner->resched_event rather than freed.
This commit may or may not fix RT #1912.
 2001-10-18 01:40:56 +00:00
Andreas Gustafsson
5f62432db2 removed extraneous empty line 2001-07-02 20:44:30 +00:00
Mark Andrews
dee489d6c1 incremental_cleaning_action() is now re-called as a result of normal event 
processing, not as the result of timer action.
 2001-06-28 13:51:40 +00:00
David Lawrence
6817b32d2c Revert "incremental cleaning should actually clean" because it already did. 
dns_dbiterator_setcleanmode(cleaner->iterator, ISC_TRUE) causes
dns_dbiterator_current() to do node expiry.
 2001-06-27 20:18:03 +00:00
Mark Andrews
ba94ff2e56 incremental cleaning should actually clean. 
end_cleaning wants busy not idle
 2001-06-27 14:48:21 +00:00
Andreas Gustafsson
d358eea93e megabytes is abbreviated MB, not mb 2001-06-07 18:31:54 +00:00
David Lawrence
f991461dc1 The most notable change is that incremental_cleaning_action() will now 
wait at least six seconds between each pass of the tree.  This keeps
the CPU from being bogged down in a persistent overlimit condition, and
because it uses timers also lets the cache cleaner know right away when
the server is being shut down, so it can stop trying to clean.

Also fixed an unlocked access to cache->live_tasks in dns_cache_detach().

Also fixed a problem with repeated calls to dns_cache_setcachesize() setting
the database as not overmem, even though it might have still been in
the process of cleaning from a previous limit.  Just set the new
isc_mem_setwater() limits instead and let the mem.c call water() if cleaning
needs to be either started or stopped because of the new limits.

Minor code cleanups.
 2001-06-05 22:27:51 +00:00
David Lawrence
92ef1a9b9d use ISC_MAGIC for all magic numbers, for our friends in EBCDIC land 2001-06-04 19:33:39 +00:00
David Lawrence
ed8daea264 enforce a minimum cache size of 2mb 2001-05-31 10:53:42 +00:00
David Lawrence
f3083bc781 In incremental_cleaning_action(), detach the node returned by 
dns_dbiterator_current(). [RT #1007]
 2001-04-11 22:15:00 +00:00