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Code Issues Releases Wiki Activity

Improve performance for delegation heavy answers and also general query performance (#44029)

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This commit is contained in:
Mukund Sivaraman
2017-04-22 08:25:10 +05:30
parent 4c31eda5e1
commit 03be5a6b4e
134 changed files with 1619 additions and 4420 deletions
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20
lib/dns/view.c
View File

@@ -24,7 +24,6 @@
#include <isc/task.h>
#include <isc/util.h>
#include <dns/acache.h>
#include <dns/acl.h>
#include <dns/adb.h>
#include <dns/badcache.h>
@@ -137,7 +136,6 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
goto cleanup_zt;
}
view->acache = NULL;
view->cache = NULL;
view->cachedb = NULL;
ISC_LIST_INIT(view->dlz_searched);
@@ -180,8 +178,6 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
*/
view->recursion = ISC_TRUE;
view->auth_nxdomain = ISC_FALSE; /* Was true in BIND 8 */
view->additionalfromcache = ISC_TRUE;
view->additionalfromauth = ISC_TRUE;
view->enablednssec = ISC_TRUE;
view->enablevalidation = ISC_TRUE;
view->acceptexpired = ISC_FALSE;
@@ -380,11 +376,6 @@ destroy(dns_view_t *view) {
dns_adb_detach(&view->adb);
if (view->resolver != NULL)
dns_resolver_detach(&view->resolver);
if (view->acache != NULL) {
if (view->cachedb != NULL)
dns_acache_putdb(view->acache, view->cachedb);
dns_acache_detach(&view->acache);
}
dns_rrl_view_destroy(view);
if (view->rpzs != NULL)
dns_rpz_detach_rpzs(&view->rpzs);
@@ -585,8 +576,6 @@ view_flushanddetach(dns_view_t **viewp, isc_boolean_t flush) {
dns_adb_shutdown(view->adb);
if (!REQSHUTDOWN(view))
dns_requestmgr_shutdown(view->requestmgr);
if (view->acache != NULL)
dns_acache_shutdown(view->acache);
if (view->zonetable != NULL) {
if (view->flush)
dns_zt_flushanddetach(&view->zonetable);
@@ -851,17 +840,12 @@ dns_view_setcache2(dns_view_t *view, dns_cache_t *cache, isc_boolean_t shared) {
view->cacheshared = shared;
if (view->cache != NULL) {
if (view->acache != NULL)
dns_acache_putdb(view->acache, view->cachedb);
dns_db_detach(&view->cachedb);
dns_cache_detach(&view->cache);
}
dns_cache_attach(cache, &view->cache);
dns_cache_attachdb(cache, &view->cachedb);
INSIST(DNS_DB_VALID(view->cachedb));
if (view->acache != NULL)
dns_acache_setdb(view->acache, view->cachedb);
}
isc_boolean_t
@@ -1637,12 +1621,8 @@ dns_view_flushcache2(dns_view_t *view, isc_boolean_t fixuponly) {
if (result != ISC_R_SUCCESS)
return (result);
}
if (view->acache != NULL)
dns_acache_putdb(view->acache, view->cachedb);
dns_db_detach(&view->cachedb);
dns_cache_attachdb(view->cache, &view->cachedb);
if (view->acache != NULL)
dns_acache_setdb(view->acache, view->cachedb);
if (view->resolver != NULL)
dns_resolver_flushbadcache(view->resolver, NULL);
if (view->failcache != NULL)