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Merge pull request #2492 from ejohnstown/titan-cache

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Titan Session Cache
This commit is contained in:
David Garske
2019-10-03 09:52:51 -07:00
committed by GitHub
parent 3b989329cd c0a4143942
commit f5a4b82302
2 changed files with 32 additions and 12 deletions
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27
configure.ac
View File

@ -665,16 +665,16 @@ then
fi
# big cache
AC_ARG_ENABLE([bigcache],
[AS_HELP_STRING([--enable-bigcache],[Enable big session cache (default: disabled)])],
[ ENABLED_BIGCACHE=$enableval ],
[ ENABLED_BIGCACHE=no ]
# TITAN cache
AC_ARG_ENABLE([titancache],
[AS_HELP_STRING([--enable-titancache],[Enable titan session cache (default: disabled)])],
[ ENABLED_TITANCACHE=$enableval ],
[ ENABLED_TITANCACHE=no ]
)
if test "$ENABLED_BIGCACHE" = "yes"
if test "$ENABLED_TITANCACHE" = "yes"
then
AM_CFLAGS="$AM_CFLAGS -DBIG_SESSION_CACHE"
AM_CFLAGS="$AM_CFLAGS -DTITAN_SESSION_CACHE"
fi
@ -691,6 +691,19 @@ then
fi
# big cache
AC_ARG_ENABLE([bigcache],
[AS_HELP_STRING([--enable-bigcache],[Enable big session cache (default: disabled)])],
[ ENABLED_BIGCACHE=$enableval ],
[ ENABLED_BIGCACHE=no ]
)
if test "$ENABLED_BIGCACHE" = "yes"
then
AM_CFLAGS="$AM_CFLAGS -DBIG_SESSION_CACHE"
fi
# SMALL cache
AC_ARG_ENABLE([smallcache],
[AS_HELP_STRING([--enable-smallcache],[Enable small session cache (default: disabled)])],

17
src/ssl.c
View File

@ -4613,22 +4613,29 @@ int AddCA(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int type, int verify)
/* basic config gives a cache with 33 sessions, adequate for clients and
embedded servers
MEDIUM_SESSION_CACHE allows 1055 sessions, adequate for servers that
aren't under heavy load, basically allows 200 new sessions per minute
BIG_SESSION_CACHE yields 20,027 sessions
TITAN_SESSION_CACHE allows just over 2 million sessions, for servers
with titanic amounts of memory with long session ID timeouts and high
levels of traffic.
HUGE_SESSION_CACHE yields 65,791 sessions, for servers under heavy load,
allows over 13,000 new sessions per minute or over 200 new sessions per
second
BIG_SESSION_CACHE yields 20,027 sessions
MEDIUM_SESSION_CACHE allows 1055 sessions, adequate for servers that
aren't under heavy load, basically allows 200 new sessions per minute
SMALL_SESSION_CACHE only stores 6 sessions, good for embedded clients
or systems where the default of nearly 3kB is too much RAM, this define
uses less than 500 bytes RAM
default SESSION_CACHE stores 33 sessions (no XXX_SESSION_CACHE defined)
*/
#ifdef HUGE_SESSION_CACHE
#if defined(TITAN_SESSION_CACHE)
#define SESSIONS_PER_ROW 31
#define SESSION_ROWS 64937
#elif defined(HUGE_SESSION_CACHE)
#define SESSIONS_PER_ROW 11
#define SESSION_ROWS 5981
#elif defined(BIG_SESSION_CACHE)