diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/acronyms.sgml | 18 | ||||
| -rw-r--r-- | doc/src/sgml/glossary.sgml | 39 |
2 files changed, 57 insertions, 0 deletions
diff --git a/doc/src/sgml/acronyms.sgml b/doc/src/sgml/acronyms.sgml index 58d0d90fece..2f906e9f018 100644 --- a/doc/src/sgml/acronyms.sgml +++ b/doc/src/sgml/acronyms.sgml @@ -10,6 +10,15 @@ <variablelist> <varlistentry> + <term><acronym>AIO</acronym></term> + <listitem> + <para> + <link linkend="glossary-aio">Asynchronous <acronym>I/O</acronym></link> + </para> + </listitem> + </varlistentry> + + <varlistentry> <term><acronym>ACL</acronym></term> <listitem> <para> @@ -355,6 +364,15 @@ </varlistentry> <varlistentry> + <term><acronym>I/O</acronym></term> + <listitem> + <para> + <link linkend="glossary-io">Input/Output</link> + </para> + </listitem> + </varlistentry> + + <varlistentry> <term><acronym>ISO</acronym></term> <listitem> <para> diff --git a/doc/src/sgml/glossary.sgml b/doc/src/sgml/glossary.sgml index c0f812e3f5e..b88cac598e9 100644 --- a/doc/src/sgml/glossary.sgml +++ b/doc/src/sgml/glossary.sgml @@ -81,6 +81,31 @@ </glossdef> </glossentry> + <glossentry id="glossary-aio"> + <glossterm>Asynchronous <acronym>I/O</acronym></glossterm> + <acronym>AIO</acronym> + <indexterm> + <primary>Asynchronous <acronym>I/O</acronym></primary> + </indexterm> + <glossdef> + <para> + Asynchronous <acronym>I/O</acronym> (<acronym>AIO</acronym>) describes + performing <acronym>I/O</acronym> in a non-blocking way (asynchronously), + in contrast to synchronous <acronym>I/O</acronym>, which blocks for the + entire duration of the <acronym>I/O</acronym>. + </para> + <para> + With <acronym>AIO</acronym>, starting an <acronym>I/O</acronym> operation + is separated from waiting for the result of the operation, allowing + multiple <acronym>I/O</acronym> operations to be initiated concurrently, + as well as performing <acronym>CPU</acronym> heavy operations + concurrently with <acronym>I/O</acronym>. The price for that increased + concurrency is increased complexity. + </para> + <glossseealso otherterm="glossary-io" /> + </glossdef> + </glossentry> + <glossentry id="glossary-atomic"> <glossterm>Atomic</glossterm> <glossdef> @@ -938,6 +963,20 @@ </glossdef> </glossentry> + <glossentry id="glossary-io"> + <glossterm>Input/Output</glossterm> + <acronym>I/O</acronym> + <glossdef> + <para> + Input/Output (<acronym>I/O</acronym>) describes the communication between + a program and peripheral devices. In the context of database systems, + <acronym>I/O</acronym> commonly, but not exclusively, refers to + interaction with storage devices or the network. + </para> + <glossseealso otherterm="glossary-aio" /> + </glossdef> + </glossentry> + <glossentry id="glossary-insert"> <glossterm>Insert</glossterm> <glossdef> |