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| author | Ingela Anderton Andin <[email protected]> | 2016-06-03 17:00:17 +0200 |
|---|---|---|
| committer | Ingela Anderton Andin <[email protected]> | 2016-06-03 17:00:17 +0200 |
| commit | 240b5e21a3986479e37ef8fddc42bdbdaf71f02a (patch) | |
| tree | c735c62525ac1796d76e13808fc5c17d3ac8d12f /lib/ssl/src/ssl_manager.erl | |
| parent | d26c15e07229c90ba8353bd78d5406ada0f13271 (diff) | |
| download | otp-240b5e21a3986479e37ef8fddc42bdbdaf71f02a.tar.gz otp-240b5e21a3986479e37ef8fddc42bdbdaf71f02a.tar.bz2 otp-240b5e21a3986479e37ef8fddc42bdbdaf71f02a.zip | |
ssl: Mitigate load increase when the whole session table is invalidated
Diffstat (limited to 'lib/ssl/src/ssl_manager.erl')
| -rw-r--r-- | lib/ssl/src/ssl_manager.erl | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl index 60b4fbe995..c7dcbaabe9 100644 --- a/lib/ssl/src/ssl_manager.erl +++ b/lib/ssl/src/ssl_manager.erl @@ -67,6 +67,7 @@ -define(CLEAN_SESSION_DB, 60000). -define(CLEAN_CERT_DB, 500). -define(DEFAULT_MAX_SESSION_CACHE, 1000). +-define(LOAD_MITIGATION, 10). %%==================================================================== %% API @@ -196,10 +197,12 @@ register_session(Port, Session) -> %%-------------------------------------------------------------------- -spec invalidate_session(host(), inet:port_number(), #session{}) -> ok. invalidate_session(Host, Port, Session) -> + load_mitigation(), cast({invalidate_session, Host, Port, Session}). -spec invalidate_session(inet:port_number(), #session{}) -> ok. invalidate_session(Port, Session) -> + load_mitigation(), cast({invalidate_session, Port, Session}). -spec invalidate_pem(File::binary()) -> ok. @@ -719,3 +722,11 @@ invalidate_session_cache(undefined, CacheCb, Cache) -> start_session_validator(Cache, CacheCb, {invalidate_before, erlang:monotonic_time()}, undefined); invalidate_session_cache(Pid, _CacheCb, _Cache) -> Pid. + +load_mitigation() -> + MSec = rand:uniform(?LOAD_MITIGATION), + receive + after + MSec -> + continue + end. |