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93 Commits

Author SHA1 Message Date
Evan Hunt
d81b6b94c4 cache stats were detached when flushing cache 2012-05-14 12:20:34 -07:00
Evan Hunt
dd2a0a6d2d Merge statistics code (ATT SoW, rt24117) 
This includes the following changes:

3326.	[func]		Added task list statistics: task model, worker
			threads, quantum, tasks running, tasks ready.
			[RT #27678]

3325.	[func]		Report cache statistics: memory use, number of
			nodes, number of hash buckets, hit and miss counts.
			[RT #27056]

3324.	[test]		Add better tests for ADB stats [RT #27057]

3323.	[func]		Report the number of buckets the resolver is using.
			[RT #27020]

3322.	[func]		Monitor the number of active TCP and UDP dispatches.
			[RT #27055]

3321.	[func]		Monitor the number of recursive fetches and the
			number of open sockets, and report these values in
			the statistics channel. [RT #27054]

3320.	[func]		Added support for monitoring of recursing client
			count. [RT #27009]

3319.	[func]		Added support for monitoring of ADB entry count and
			hash size. [RT #27057]
 2012-05-14 10:06:05 -07:00
Mark Andrews
e1cf6fd20a DNS_R_NEWORIGIN could be accidently returned, clearnode's result was being ignored 2011-08-26 05:12:56 +00:00
Evan Hunt
0127993480 3140. [func] New command "rndc flushtree <name>" clears the 
specified name from the server cache along with
			all names under it. [RT #19970]
 2011-08-02 20:36:13 +00:00
Automatic Updater
7d9d170dbb update copyright notice 2011-03-03 23:47:32 +00:00
Evan Hunt
70c7f4fb4f 3053. [bug] Under a sustained high query load with a finite 
max-cache-size, it was possible for cache memory
			to be exhausted and not recovered. [RT #23371]
 2011-03-03 04:42:25 +00:00
Evan Hunt
86132f0ef5 eliminate warning when building without -DBIND9 2009-11-12 23:43:02 +00:00
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