Allow pg_basebackup from standby node with safety checking.
Simon Riggs <simon@2ndQuadrant.com>
Allow pg_basebackup from standby node with safety checking. Base backup follows recommended procedure, plus goes to great lengths to ensure that partial page writes are avoided. Jun Ishizuka and Fujii Masao, with minor modifications
Files
| Path | Change | +/− |
|---|---|---|
| doc/src/sgml/ref/pg_basebackup.sgml | modified | +42 −0 |
| src/backend/access/transam/xlog.c | modified | +375 −29 |
| src/backend/postmaster/checkpointer.c | modified | +38 −4 |
| src/backend/postmaster/postmaster.c | modified | +2 −2 |
| src/backend/replication/basebackup.c | modified | +20 −5 |
| src/backend/utils/misc/guc.c | modified | +0 −1 |
| src/bin/pg_controldata/pg_controldata.c | modified | +5 −0 |
| src/bin/pg_resetxlog/pg_resetxlog.c | modified | +6 −1 |
| src/include/access/xlog.h | modified | +2 −0 |
| src/include/access/xlog_internal.h | modified | +1 −1 |
| src/include/catalog/pg_control.h | modified | +10 −1 |