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Commita2c16bd

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Merge branch 'PGPROEE9_6' into PGPROEE9_6_scheduler
2 parents8e02f59 +4bc3747 commita2c16bd

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2 files changed

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2 files changed

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‎doc/src/sgml/ref/initdb.sgml

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@@ -369,6 +369,45 @@ doc/src/sgml/ref/initdb.sgml
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</variablelist>
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</para>
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<para>
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Other options for testing 64-bit XID:
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<variablelist>
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<varlistentry>
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<term><option>-m <replaceable class="parameter">START_MX_ID</replaceable></option></term>
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<term><option>--multixact-id=<replaceable class="parameter">START_MX_ID</replaceable></option></term>
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<listitem>
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<para>
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Specifies a start multixact id value in the hex format for new db instance to test 64-bit xids,
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default value is <literal>0</literal>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-o <replaceable class="parameter">START_MX_OFFSET</replaceable></option></term>
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<term><option>--multixact-offset=<replaceable class="parameter">START_MX_OFFSET</replaceable></option></term>
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<listitem>
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<para>
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Specifies a start multixact offset value in the decimal format for new db instance to test 64-bit xids,
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default value is <literal>0</literal>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-x <replaceable class="parameter">START_XID</replaceable></option></term>
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<term><option>--xid=<replaceable class="parameter">START_XID</replaceable></option></term>
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<listitem>
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<para>
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Specifies a start xid value in the hex format for new db instance to test 64-bit xids,
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default value is <literal>0</literal>.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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Other options:
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‎src/backend/postmaster/postmaster.c

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@@ -3895,6 +3895,7 @@ BackendStartup(Port *port)
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*/
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if (!pg_strong_random(&MyCancelKey,sizeof(MyCancelKey)))
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{
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free(bn);
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ereport(LOG,
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(errmsg("could not generate random query cancel key")));
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returnSTATUS_ERROR;
@@ -5549,6 +5550,7 @@ assign_backendlist_entry(RegisteredBgWorker *rw)
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*/
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if (!pg_strong_random(&MyCancelKey,sizeof(MyCancelKey)))
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{
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free(bn);
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rw->rw_crashed_at=GetCurrentTimestamp();
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return false;
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}

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