foreground runs the program and processes 10 million pieces of data.
will extract 10 million pieces of data from the database to the inner table, if a one-time extraction will occur memory TSV_TNEW_PAGE_ALLOC_FAILED dump.
that is: select XXXX
into table XXX
if the package size is adopted, 1 million pieces of data are extracted once and processed.
into table XXX
package size 1000000
perform XXXX “processed the 1 million pieces of data.
|service really needs under the premise, the solution can only ask basis to change the kernel parameters, either to increase the buffer, or to extend the front running time.|
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