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postgresql/src/include
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Alvaro Herrera 5065aeafb0
Avoid creating archive status ".ready" files too early 
WAL records may span multiple segments, but XLogWrite() does not
wait for the entire record to be written out to disk before
creating archive status files.  Instead, as soon as the last WAL page of
the segment is written, the archive status file is created, and the
archiver may process it.  If PostgreSQL crashes before it is able to
write and flush the rest of the record (in the next WAL segment), the
wrong version of the first segment file lingers in the archive, which
causes operations such as point-in-time restores to fail.

To fix this, keep track of records that span across segments and ensure
that segments are only marked ready-for-archival once such records have
been completely written to disk.

This has always been wrong, so backpatch all the way back.

Author: Nathan Bossart <bossartn@amazon.com>
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Reviewed-by: Ryo Matsumura <matsumura.ryo@fujitsu.com>
Reviewed-by: Andrey Borodin <x4mmm@yandex-team.ru>
Discussion: https://postgr.es/m/CBDDFA01-6E40-46BB-9F98-9340F4379505@amazon.com
2021-08-23 15:50:35 -04:00
..
access Avoid creating archive status ".ready" files too early 2021-08-23 15:50:35 -04:00
bootstrap Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
catalog Prevent drop of tablespaces used by partitioned relations 2021-01-14 15:32:14 -03:00
commands Preserve firing-on state when cloning row triggers to partitions 2021-07-16 13:01:43 -04:00
common Move connect.h from fe_utils to src/include/common. 2020-08-10 09:22:58 -07:00
datatype Update copyright for 2019 2019-01-02 12:44:25 -05:00
executor Restore the portal-level snapshot after procedure COMMIT/ROLLBACK. 2021-05-21 14:03:53 -04:00
fe_utils Fix parallel restore of FKs to partitioned tables 2019-10-17 09:58:01 +02:00
foreign Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
jit llvmjit: Work around bug in LLVM 3.9 causing crashes after 72559438f9. 2020-10-15 18:17:01 -07:00
lib Fix incorrect hash table resizing code in simplehash.h 2021-08-13 16:43:13 +12:00
libpq Fix assorted issues in backend's GSSAPI encryption support. 2020-12-28 17:44:17 -05:00
mb Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
nodes Avoid trying to lock OLD/NEW in a rule with FOR UPDATE. 2021-08-19 12:12:35 -04:00
optimizer Fix pull_varnos' miscomputation of relids set for a PlaceHolderVar. 2021-01-21 15:37:23 -05:00
parser Calculate extraUpdatedCols in query rewriter, not parser. 2020-10-28 13:47:02 -04:00
partitioning Fix hash partition pruning with asymmetric partition sets. 2021-01-28 13:41:55 -05:00
port Remove unnecessary declaration in win32_port.h 2021-06-08 13:40:10 +09:00
portability Update copyright for 2019 2019-01-02 12:44:25 -05:00
postmaster Fix race condition between shutdown and unstarted background workers. 2020-12-24 17:00:43 -05:00
regex Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
replication Don't try to print data type names in slot_store_error_callback(). 2021-07-02 16:04:54 -04:00
rewrite Calculate extraUpdatedCols in query rewriter, not parser. 2020-10-28 13:47:02 -04:00
snowball Update copyright for 2019 2019-01-02 12:44:25 -05:00
statistics Fix choose_best_statistics to check clauses individually 2019-11-28 22:26:25 +01:00
storage Add RISC-V spinlock support in s_lock.h. 2021-08-13 13:59:13 -04:00
tcop Restore the portal-level snapshot after procedure COMMIT/ROLLBACK. 2021-05-21 14:03:53 -04:00
tsearch Don't leak compiled regex(es) when an ispell cache entry is dropped. 2021-03-18 21:44:43 -04:00
utils Restore the portal-level snapshot after procedure COMMIT/ROLLBACK. 2021-05-21 14:03:53 -04:00
.gitignore Refactor dlopen() support 2018-09-06 11:33:04 +02:00
c.h pg_attribute_no_sanitize_alignment() macro 2021-02-13 17:49:08 -05:00
fmgr.h Fix minor violations of FunctionCallInvoke usage protocol. 2020-04-21 14:23:58 -04:00
funcapi.h Avoid holding a directory FD open across assorted SRF calls. 2020-03-16 21:05:53 -04:00
getaddrinfo.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
getopt_long.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
Makefile Get rid of jsonpath_gram.h and jsonpath_scanner.h 2019-03-20 11:13:34 +03:00
miscadmin.h Refactor CHECK_FOR_INTERRUPTS() to add flexibility. 2021-05-14 12:54:26 -04:00
pg_config.h.in Update configure's probe for libldap to work with OpenLDAP 2.5. 2021-07-09 12:38:55 -04:00
pg_config.h.win32 Stamp 12.8. 2021-08-09 16:50:41 -04:00
pg_config_ext.h.in Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_ext.h.win32 Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_manual.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
pg_getopt.h Use our own getopt() on OpenBSD. 2019-01-18 15:06:26 -05:00
pg_trace.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
pgstat.h Add GUC variables for stat tracking and timeout as PGDLLIMPORT 2020-01-21 13:46:55 +09:00
pgtar.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
pgtime.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
port.h Add fallback implementation for setenv() 2021-06-01 09:27:31 +09:00
postgres.h Change function call information to be variable length. 2019-01-26 14:17:52 -08:00
postgres_ext.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
postgres_fe.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
rusagestub.h Update copyright for 2019 2019-01-02 12:44:25 -05:00
windowapi.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00