diff options
Diffstat (limited to 'erts/doc')
| -rw-r--r-- | erts/doc/src/erl.xml | 6 | ||||
| -rw-r--r-- | erts/doc/src/erlang.xml | 15 | ||||
| -rw-r--r-- | erts/doc/src/notes.xml | 109 |
3 files changed, 125 insertions, 5 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index dc58cdeb13..6f6eca2a0b 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -776,6 +776,10 @@ <p>Sets the number of IO poll threads to use when polling for I/O. The maximum number of poll threads allowed is 1024. The default is 1. </p> + <p>A good way to check if more IO poll threads are needed is to use + <seealso marker="runtime_tools:msacc">microstate accounting</seealso> + and see what the load of the IO poll thread is. If it is high it could + be a good idea to add more threads.</p> </item> <tag><marker id="+IOPp"/><c>+IOPp PollSetsPercentage</c></tag> <item> @@ -789,7 +793,7 @@ <item> <p>Similar to <seealso marker="#+IOt"><c>+IOt</c></seealso> but uses percentages to set the number of IO poll threads to create, based on - the number of schedulers configures. If both <c>+IOPt</c> and + the number of schedulers configured. If both <c>+IOPt</c> and <c>+IOt</c> are used, <c>+IOPt</c> is ignored. </p> </item> diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 06f568c832..8dbebe880d 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -6475,17 +6475,24 @@ lists:map( <p><c><anno>MSAcc_Thread_Type</anno></c>s:</p> <taglist> <tag><c>scheduler</c></tag> - <item>The main execution threads that do most of the work.</item> + <item>The main execution threads that do most of the work. See + <seealso marker="erts:erl#+S">erl +S</seealso> for more details.</item> <tag><c>dirty_cpu_scheduler</c></tag> - <item>The threads for long running cpu intensive work.</item> + <item>The threads for long running cpu intensive work. See + <seealso marker="erts:erl#+SDcpu">erl +SDcpu</seealso> for more details.</item> <tag><c>dirty_io_scheduler</c></tag> - <item>The threads for long running I/O work.</item> + <item>The threads for long running I/O work. See + <seealso marker="erts:erl#+SDio">erl +SDio</seealso> for more details.</item> <tag><c>async</c></tag> <item>Async threads are used by various linked-in drivers (mainly the - file drivers) do offload non-CPU intensive work.</item> + file drivers) do offload non-CPU intensive work. See + <seealso marker="erts:erl#+async_thread_pool_size">erl +A</seealso> for more details.</item> <tag><c>aux</c></tag> <item>Takes care of any work that is not specifically assigned to a scheduler.</item> + <tag><c>poll</c></tag> + <item>Does the IO polling for the emulator. See + <seealso marker="erts:erl#+IOt">erl +IOt</seealso> for more details.</item> </taglist> <p>The following <c><anno>MSAcc_Thread_State</anno></c>s are available. All states are exclusive, meaning that a thread cannot be in two diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index e89f2680ea..ecbc36e26f 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -31,6 +31,30 @@ </header> <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 9.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>The new zlib module returned a data_error when + inflating concatenated streams, which was incompatible + with the old module's behavior of returning the + uncompressed data up to the end of the first stream.</p> + <p> + Own Id: OTP-14648</p> + </item> + <item> + <p>zlib:gunzip/1 will no longer stop at the end of the + first stream when decompressing concatenated gzip + files.</p> + <p> + Own Id: OTP-14649</p> + </item> + </list> + </section> + +</section> + <section><title>Erts 9.1</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -959,6 +983,91 @@ </section> +<section><title>Erts 8.3.5.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + A timer internal bit-field used for storing scheduler id + was too small. As a result, VM internal timer data + structures could become inconsistent when using 1024 + schedulers on the system. Note that systems with less + than 1024 schedulers are not effected by this bug.</p> + <p> + This bug was introduced in ERTS version 7.0 (OTP 18.0).</p> + <p> + Own Id: OTP-14548 Aux Id: OTP-11997, ERL-468 </p> + </item> + <item> + <p> + Fixed bug in <c>binary_to_term</c> and + <c>binary_to_atom</c> that could cause VM crash. + Typically happens when the last character of an UTF8 + string is in the range 128 to 255, but truncated to only + one byte. Bug exists in <c>binary_to_term</c> since ERTS + version 5.10.2 (OTP_R16B01) and <c>binary_to_atom</c> + since ERTS version 9.0 (OTP-20.0).</p> + <p> + Own Id: OTP-14590 Aux Id: ERL-474 </p> + </item> + <item> + <p> + Fix bug causing VM crash when a module with + <c>-on_load</c> directive is loaded while + <c>erlang:trace(on_load, ...)</c> is enabled.</p> + <p> + Own Id: OTP-14612</p> + </item> + <item> + <p> + Fixed bug that could cause a VM crash when a corrupt + message is received on distribution channel from other + node.</p> + <p> + Own Id: OTP-14661 Aux Id: ERIERL-80 </p> + </item> + </list> + </section> + +</section> + +<section><title>Erts 8.3.5.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix performance bug in pre-allocators that could cause + them to permanently fall back on normal more expensive + memory allocation. Pre-allocators are used for quick + allocation of short lived meta data used by messages and + other scheduled tasks. Bug exists since OTP_R15B02.</p> + <p> + Own Id: OTP-14491</p> + </item> + <item> + <p>Fixed a bug that prevented TCP sockets from being + closed properly on send timeouts.</p> + <p> + Own Id: OTP-14509</p> + </item> + <item> + <p> + Fixed bug in operator <c>bxor</c> causing erroneuos + result when one operand is a big <em>negative</em> + integer with the lowest <c>N*W</c> bits as zero and the + other operand not larger than <c>N*W</c> bits. <c>N</c> + is an integer of 1 or larger and <c>W</c> is 32 or 64 + depending on word size.</p> + <p> + Own Id: OTP-14514</p> + </item> + </list> + </section> + +</section> + <section><title>Erts 8.3.5.1</title> <section><title>Fixed Bugs and Malfunctions</title> <list> |