performance.po

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#: performance.xml:496
#, no-c-format
msgid ""
"With a <literal>batch-size</literal> of 3, Hibernate will load 3, 3, 3, 1 "
"collections in four <literal>SELECT</literal>s. Again, the value of the "
"attribute depends on the expected number of uninitialized collections in a "
"particular <literal>Session</literal>."
msgstr ""
"Com um <literal>batch-size</literal> de 3, o Hibernate irá carregar 3, 3, 3, "
"1 coleções em 4 <literal>SELECT</literal>s. Novamente, o valor do atributo "
"depende do número esperado de coleções não inicialiadas em determinada "
"<literal>Session</literal>."

#. Tag: para
#: performance.xml:502
#, no-c-format
msgid ""
"Batch fetching of collections is particularly useful if you have a nested "
"tree of items, ie. the typical bill-of-materials pattern. (Although a "
"<emphasis>nested set</emphasis> or a <emphasis>materialized path</emphasis> "
"might be a better option for read-mostly trees.)"
msgstr ""
"A busca em lote de coleções é particularmente útil quando você tem uma "
"árvore encadeada de items, ex. o típico padrão bill-of-materials (Se bem que "
"um <emphasis>conjunto encadeado</emphasis> ou <emphasis>caminho "
"materializado </emphasis> pode ser uma opção melhor para árvores com mais "
"leitura)"

#. Tag: title
#: performance.xml:511
#, no-c-format
msgid "Using subselect fetching"
msgstr "Usando subselect fetching"

#. Tag: para
#: performance.xml:513
#, no-c-format
msgid ""
"If one lazy collection or single-valued proxy has to be fetched, Hibernate "
"loads all of them, re-running the original query in a subselect. This works "
"in the same way as batch-fetching, without the piecemeal loading."
msgstr ""
"Se uma coleção ou proxy simples precisa ser recuperado, o Hibernate carrega "
"todos eles rodando novamente a query original em um subselect. Isso funciona "
"da mesma maneira que busca em lote, sem carregar tanto."

#. Tag: title
#: performance.xml:524
#, no-c-format
msgid "Using lazy property fetching"
msgstr "Usando busca preguiçosa de propriedade"

#. Tag: para
#: performance.xml:526
#, no-c-format
msgid ""
"Hibernate3 supports the lazy fetching of individual properties. This "
"optimization technique is also known as <emphasis>fetch groups</emphasis>. "
"Please note that this is mostly a marketing feature, as in practice, "
"optimizing row reads is much more important than optimization of column "
"reads. However, only loading some properties of a class might be useful in "
"extreme cases, when legacy tables have hundreds of columns and the data "
"model can not be improved."
msgstr ""
"O Hibernate3 suporta a carga posterior de propriedades individuais. Essa "
"técnica de otimização também conhecida como <emphasis>fetch groups</"
"emphasis>. Veja que isso é mais uma funcionalidade de marketing já que na "
"prática, é mais importante otimização nas leituras dos registros do que na "
"leitura das colunas. Porém, carregar apenas algumas propriedades de uma "
"classe pode ser útil em casos extremos, onde tabelas legadas podem ter "
"centenas de colunas e o modelo de dados não pode ser melhorado."

#. Tag: para
#: performance.xml:535
#, no-c-format
msgid ""
"To enable lazy property loading, set the <literal>lazy</literal> attribute "
"on your particular property mappings:"
msgstr ""
"Para habilitar a carga posterior de propriedade, é preciso setar o atributo "
"<literal>lazy</literal> no seu mapeamento de propriedade:"

#. Tag: programlisting
#: performance.xml:540
#, no-c-format
msgid ""
"<![CDATA[<class name=\"Document\">\n"
"       <id name=\"id\">\n"
"        <generator class=\"native\"/>\n"
"    </id>\n"
"    <property name=\"name\" not-null=\"true\" length=\"50\"/>\n"
"    <property name=\"summary\" not-null=\"true\" length=\"200\" lazy=\"true"
"\"/>\n"
"    <property name=\"text\" not-null=\"true\" length=\"2000\" lazy=\"true\"/"
">\n"
"</class>]]>"
msgstr ""

#. Tag: para
#: performance.xml:542
#, no-c-format
msgid ""
"Lazy property loading requires buildtime bytecode instrumentation! If your "
"persistent classes are not enhanced, Hibernate will silently ignore lazy "
"property settings and fall back to immediate fetching."
msgstr ""
"A carga posterior de propriedades requer instrumentação de bytecode! Se suas "
"classes persistentes não forem melhoradas, o Hibernate irá ignorar "
"silenciosamente essa configuração e usará busca imediatamente."

#. Tag: para
#: performance.xml:548
#, no-c-format
msgid "For bytecode instrumentation, use the following Ant task:"
msgstr "Para instrumentação de bytecode, use a seguinte tarefa do Ant:"

#. Tag: programlisting
#: performance.xml:552
#, no-c-format
msgid ""
"<![CDATA[<target name=\"instrument\" depends=\"compile\">\n"
"    <taskdef name=\"instrument\" classname=\"org.hibernate.tool.instrument."
"InstrumentTask\">\n"
"        <classpath path=\"${jar.path}\"/>\n"
"        <classpath path=\"${classes.dir}\"/>\n"
"        <classpath refid=\"lib.class.path\"/>\n"
"    </taskdef>\n"
"\n"
"    <instrument verbose=\"true\">\n"
"        <fileset dir=\"${testclasses.dir}/org/hibernate/auction/model\">\n"
"            <include name=\"*.class\"/>\n"
"        </fileset>\n"
"    </instrument>\n"
"</target>]]>"
msgstr ""

#. Tag: para
#: performance.xml:554
#, no-c-format
msgid ""
"A different (better?) way to avoid unnecessary column reads, at least for "
"read-only transactions is to use the projection features of HQL or Criteria "
"queries. This avoids the need for buildtime bytecode processing and is "
"certainly a prefered solution."
msgstr ""
"A different (better?) way to avoid unnecessary column reads, at least for "
"read-only transactions is to use the projection features of HQL or Criteria "
"queries. This avoids the need for buildtime bytecode processing and is "
"certainly a prefered solution."

#. Tag: para
#: performance.xml:561
#, no-c-format
msgid ""
"You may force the usual eager fetching of properties using <literal>fetch "
"all properties</literal> in HQL."
msgstr ""
"You may force the usual eager fetching of properties using <literal>fetch "
"all properties</literal> in HQL."

#. Tag: title
#: performance.xml:571
#, no-c-format
msgid "The Second Level Cache"
msgstr "The Second Level Cache"

#. Tag: para
#: performance.xml:573
#, no-c-format
msgid ""
"A Hibernate <literal>Session</literal> is a transaction-level cache of "
"persistent data. It is possible to configure a cluster or JVM-level "
"(<literal>SessionFactory</literal>-level) cache on a class-by-class and "
"collection-by-collection basis. You may even plug in a clustered cache. Be "
"careful. Caches are never aware of changes made to the persistent store by "
"another application (though they may be configured to regularly expire "
"cached data)."
msgstr ""
"A Hibernate <literal>Session</literal> is a transaction-level cache of "
"persistent data. It is possible to configure a cluster or JVM-level "
"(<literal>SessionFactory</literal>-level) cache on a class-by-class and "
"collection-by-collection basis. You may even plug in a clustered cache. Be "
"careful. Caches are never aware of changes made to the persistent store by "
"another application (though they may be configured to regularly expire "
"cached data)."

#. Tag: para
#: performance.xml:581
#, no-c-format
msgid ""
"You have the option to tell Hibernate which caching implementation to use by "
"specifying the name of a class that implements <literal>org.hibernate.cache."
"CacheProvider</literal> using the property <literal>hibernate.cache."
"provider_class</literal>. Hibernate comes bundled with a number of built-in "
"integrations with open-source cache providers (listed below); additionally, "
"you could implement your own and plug it in as outlined above. Note that "
"versions prior to 3.2 defaulted to use EhCache as the default cache "
"provider; that is no longer the case as of 3.2."
msgstr ""
"You have the option to tell Hibernate which caching implementation to use by "
"specifying the name of a class that implements <literal>org.hibernate.cache."
"CacheProvider</literal> using the property <literal>hibernate.cache."
"provider_class</literal>. Hibernate comes bundled with a number of built-in "
"integrations with open-source cache providers (listed below); additionally, "
"you could implement your own and plug it in as outlined above. Note that "
"versions prior to 3.2 defaulted to use EhCache as the default cache "
"provider; that is no longer the case as of 3.2."

#. Tag: title
#: performance.xml:592
#, no-c-format
msgid "Cache Providers"
msgstr "Cache Providers"

#. Tag: entry
#: performance.xml:601 performance.xml:774
#, no-c-format
msgid "Cache"
msgstr "Cache"

#. Tag: entry
#: performance.xml:602
#, no-c-format
msgid "Provider class"
msgstr "Provider class"

#. Tag: entry
#: performance.xml:603
#, no-c-format
msgid "Type"
msgstr "Type"

#. Tag: entry
#: performance.xml:604
#, no-c-format
msgid "Cluster Safe"
msgstr "Cluster Safe"

#. Tag: entry
#: performance.xml:605
#, no-c-format
msgid "Query Cache Supported"
msgstr "Query Cache Supported"

#. Tag: entry
#: performance.xml:610 performance.xml:783
#, no-c-format
msgid "Hashtable (not intended for production use)"
msgstr "Hashtable (not intended for production use)"

#. Tag: literal
#: performance.xml:611
#, no-c-format
msgid "org.hibernate.cache.HashtableCacheProvider"
msgstr "org.hibernate.cache.HashtableCacheProvider"

#. Tag: entry
#: performance.xml:612
#, no-c-format
msgid "memory"
msgstr "memory"

#. Tag: entry
#: performance.xml:614 performance.xml:621 performance.xml:628
#: performance.xml:784 performance.xml:785 performance.xml:786
#: performance.xml:791 performance.xml:792 performance.xml:793
#: performance.xml:798 performance.xml:799 performance.xml:800
#: performance.xml:805 performance.xml:806 performance.xml:812
#: performance.xml:815
#, no-c-format
msgid "<entry>yes</entry>"
msgstr ""

#. Tag: entry
#: performance.xml:617 performance.xml:790
#, no-c-format
msgid "EHCache"
msgstr "EHCache"

#. Tag: literal
#: performance.xml:618
#, no-c-format
msgid "org.hibernate.cache.EhCacheProvider"
msgstr "org.hibernate.cache.EhCacheProvider"

#. Tag: entry
#: performance.xml:619 performance.xml:626
#, no-c-format
msgid "memory, disk"
msgstr "memory, disk"

#. Tag: entry
#: performance.xml:624 performance.xml:797
#, no-c-format
msgid "OSCache"
msgstr "OSCache"

#. Tag: literal
#: performance.xml:625
#, no-c-format
msgid "org.hibernate.cache.OSCacheProvider"
msgstr "org.hibernate.cache.OSCacheProvider"

#. Tag: entry
#: performance.xml:631 performance.xml:804
#, no-c-format
msgid "SwarmCache"
msgstr "SwarmCache"

#. Tag: literal
#: performance.xml:632
#, no-c-format
msgid "org.hibernate.cache.SwarmCacheProvider"
msgstr "org.hibernate.cache.SwarmCacheProvider"

#. Tag: entry
#: performance.xml:633
#, no-c-format
msgid "clustered (ip multicast)"
msgstr "clustered (ip multicast)"

#. Tag: entry
#: performance.xml:634
#, no-c-format
msgid "yes (clustered invalidation)"
msgstr "yes (clustered invalidation)"

#. Tag: entry
#: performance.xml:638 performance.xml:811
#, no-c-format
msgid "JBoss TreeCache"
msgstr "JBoss TreeCache"

#. Tag: literal
#: performance.xml:639
#, no-c-format
msgid "org.hibernate.cache.TreeCacheProvider"
msgstr "org.hibernate.cache.TreeCacheProvider"

#. Tag: entry
#: performance.xml:640
#, no-c-format
msgid "clustered (ip multicast), transactional"
msgstr "clustered (ip multicast), transactional"

#. Tag: entry