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| author | Lukas Larsson <[email protected]> | 2017-10-24 10:46:12 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2017-10-31 10:42:56 +0100 |
| commit | 6ef6bbbcb18323b86eb4e654f72d2b1c6bad086f (patch) | |
| tree | 304c93cce1ffe5aae96a5eb3c26df5fe743cb12a /erts/doc/src/erlang.xml | |
| parent | c5b2a6161381951d273b124ff37a25597a27d2ef (diff) | |
| download | otp-6ef6bbbcb18323b86eb4e654f72d2b1c6bad086f.tar.gz otp-6ef6bbbcb18323b86eb4e654f72d2b1c6bad086f.tar.bz2 otp-6ef6bbbcb18323b86eb4e654f72d2b1c6bad086f.zip | |
Update message queue and pinfo binary docs
Diffstat (limited to 'erts/doc/src/erlang.xml')
| -rw-r--r-- | erts/doc/src/erlang.xml | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 2465f49581..9d3ec406b4 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -4687,7 +4687,7 @@ RealSystem = system + MissedSystem</code> <p>The default <c>message_queue_data</c> process flag is determined by command-line argument <seealso marker="erl#+hmqd"> <c>+hmqd</c></seealso> in <c>erl(1)</c>.</p> - <p>If the process potentially can get many messages, + <p>If the process potentially can get many messages in its queue, you are advised to set the flag to <c>off_heap</c>. This because a garbage collection with many messages placed on the heap can become extremely expensive and the process can @@ -4960,11 +4960,15 @@ RealSystem = system + MissedSystem</code> <tag><c>{binary, <anno>BinInfo</anno>}</c></tag> <item> <p><c><anno>BinInfo</anno></c> is a list containing miscellaneous - information about binaries currently referred to by this - process. This <c><anno>InfoTuple</anno></c> can be changed or + information about binaries on the heap of this + process. + This <c><anno>InfoTuple</anno></c> can be changed or removed without prior notice. In the current implementation <c><anno>BinInfo</anno></c> is a list of tuples. The tuples contain; <c>BinaryId</c>, <c>BinarySize</c>, <c>BinaryRefcCount</c>.</p> + <p>The message queue is on the heap depending on the + process flag <seealso marker="#process_flag_message_queue_data"> + <c>message_queue_data</c></seealso>.</p> </item> <tag><c>{catchlevel, <anno>CatchLevel</anno>}</c></tag> <item> |