GLOBAL_SINGLE_FLUSH_DW_STATUS

GLOBAL_SINGLE_FLUSH_DW_STATUS displays information about doublewrite files eliminated on a single page of all instances in the database. In the displayed information, the information before the slash (/) indicates the page flushing status of the first version, and the information after the slash (/) indicates the page flushing status of the second version.

Table 1 GLOBAL_SINGLE_FLUSH_DW_STATUS columns

Name	Type	Description
node_name	text	Instance name
curr_dwn	text	Sequence number of the doublewrite file
curr_start_page	text	Start position of the current doublewrite file
total_writes	text	Total number of data write pages in the current doublewrite file
file_trunc_num	text	Number of times that the doublewrite file is reused
file_reset_num	text	Number of reset times after the doublewrite file is full