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Commits b563c796 (R16B) and 0fad6449 (R16B02) added parse_address/1 and
ntoa/1 to module inet, providing documented alternatives to address/1
and ntoa/1 in the undocumented (save comments in inet(3)) inet_parse.
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This has had a hugely negative impact on performance when decoding
messages containing many AVP: each decode of an AVP having variable
arity computed the length of the list of previously decoded AVPs when
checking that the allowed arity was not exceeded, even if the allowed
arity was infinite, making for O(n^2) cost. Here are some execution
times, for diameter_codec:decode/2 on a representative message with n
integer AVPs in the Common application (on the host at hand):
Before After
------- ---------
n = 1K 5 ms 2 ms
n = 10K 500 ms 25 ms
n = 100K 75 sec 225 ms
n = 1M 2.6 sec
Note the nearly linear increase following the change.
Remove the dire documentation warning for incoming_maxlen as a
consequence. It can still be useful to set, but not doing so won't have
the same consequences as previously.
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Since the list can potentially be long.
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The decode of an incoming Diameter message uses the record
representation to determine whether or not an AVP has been received with
the expected arity, the number of AVPs in each field following decode
being compared with the arity specified in the message grammar. The
problem with this is that decode failure isn't reflected in the record
representation, so that an AVP can be appended to the errors field of a
diameter_packet record despite an entry for the same AVP already
existing. This isn't a fault as much as a misleading error indication,
but now only append AVPs that aren't already represented.
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The warning report was removed in commit 00584303.
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Last visited in commit 00584303.
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* maint:
ssh: added more groups for gex
ssh: rm ssh_math and use crypto:compute_key instead
ssh: filter algs unknown to crypto (except pk)
ssh: add test group
ssh: Add experimental 'diffie-hellman-group-exchange-sha256 support
ssh: Repair/add experimental diffie-hellman-group-exchange-sha1 support
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lcnt:inspect/1 recently showed this:
lock id #tries collisions [%] time [us]
----- --- ------- --------------- ----------
db_tab diameter_stats 932920 92.9326 330332554
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DO NOT USE IN PRODUCTION!!!
It is not enabled by default, but may be enabled with the option
{preferred_algorithms, [{kex, ['diffie-hellman-group-exchange-sha256']}]}
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DO NOT USE IN PRODUCTION!!!
This is a bug fixing of the previously partly impelmented kex algorithm.
There are more things to do, for example genrate/select better g,p pair obeying the min||n||max request.
It is not enabled by default, but may be enabled with the option
{preferred_algorithms, [{kex, ['diffie-hellman-group-exchange-sha1']}]}
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* maint:
inets: cancel for handler with no requests
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TLS hash_sign algorithms may have proprietary values see
http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml
We should add callbacks to let applications handle them.
But for now we do not want to crash if they are present and
let other algorithms be negotiated.
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* emacstheviking/maint:
Increased left-nav width for readability
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In particular, restart the timer with each incoming Diameter message,
only when the previous timer has expired. Doing so has been seen to
result in high lock contention at load, as in the example below:
(diameter@test)9> lcnt:conflicts([{print, [name, tries, ratio, time]}]).
lock #tries collisions [%] time [us]
----- ------- --------------- ----------
bif_timers 7844528 99.4729 1394434884
db_tab 17240988 1.7947 6286664
timeofday 7358692 5.6729 1399624
proc_link 4814938 2.2736 482985
drv_ev_state 2324012 0.5951 98920
run_queue 21768213 0.2091 63516
pollset 1190174 1.7170 42499
pix_lock 1956 2.5562 39770
make_ref 4697067 0.3669 20211
proc_msgq 9475944 0.0295 5200
timer_wheel 5325966 0.0568 2654
proc_main 10005332 2.8190 1079
pollset_rm_list 59768 1.7752 480
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The function has been auto-exported since R14B.
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The suite pretends to be gen_tcp-ish in configuring itself to
diameter_tcp. The function close/1 can be called as a result.
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Add support for the Delete, Home and End keys in the Erlang shell.
These keys are ubiquitous on modern keyboards. Having them working
as expected adds to the convenience of working in the shell, since
they are much easier to use than the corresponding Ctrl-{D,A,E} keys.
The implementation is in line with the existing framework of the line
editor and is thus a natural (and minimal) extension.
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It just makes it easier to read stuff. For example, gen_server functions are now totally visible, no more guessing.
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httpc_handler should react properly to cancel requests even
when the request to be cancelled was already finished
but httpc_manager did not get notified about that yet
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* lukas/ose/remove/OTP-12573:
Remove OSE from erl_interface
ose: Remove all code related to the OSE port
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Re-insert logic for `erlang:make_fun/3` in `erl_bif_types`. It had
been removed in bd941f5 while type spec-ing `erlang.erl`. Type spec in
`erlang.erl` cannot express arity of returned fun based on value of
argument hence re-introducing logic in `erl_bif_types`.
Re-definition of logic in `erl_bif_types` follows approach in 9d870a0.
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The OSE port is no longer supported and this commit removed it
and any changes related to it. The things that were general
improvements have been left in the code.
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* redvers/public_key_docfix:
Updated documentation to match implementation
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* maint:
Updated OTP version
Prepare release
Fix calculation of end time
Prefer monotonic time that stop during suspend
Avoid unnecessary copying of data when retrieving corrected monotonic time
Add the --enable-gettimeofday-as-os-system-time configure switch
Conflicts:
OTP_VERSION
erts/vsn.mk
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* maint-18:
Updated OTP version
Prepare release
Fix calculation of end time
Prefer monotonic time that stop during suspend
Avoid unnecessary copying of data when retrieving corrected monotonic time
Add the --enable-gettimeofday-as-os-system-time configure switch
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* rickard/trace-file-eintr-bug/OTP-12890:
Handle EINTR in trace_file_drv
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* maint:
wx: Add event callback fastpath
wx: Event callbacks could hang wx application temporary
wx: Make wxLANGUAGE_ variable
wx: Send wxWdigets assert to error logger
wx: Add mouse_capture_lost event
wx: Fix code generator
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* dgud/wx/send-asserts-to-erl:
wx: Add event callback fastpath
wx: Event callbacks could hang wx application temporary
wx: Make wxLANGUAGE_ variable
wx: Send wxWdigets assert to error logger
wx: Add mouse_capture_lost event
wx: Fix code generator
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Conflicts:
OTP_VERSION
erts/doc/src/notes.xml
erts/vsn.mk
lib/runtime_tools/doc/src/notes.xml
lib/runtime_tools/vsn.mk
otp_versions.table
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Avoids spawn but can deadlock
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* maint:
ssh: be more generous about disconnect expects
ssh: add disjunction to ssh_trpt_test_lib:match
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