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Simon Riggs 728bd991c3 Speedup 2PC recovery by skipping two phase state files in normal path 
2PC state info held in shmem at PREPARE, then cleaned at COMMIT PREPARED/ABORT PREPARED,
avoiding writing/fsyncing any state information to disk in the normal path, greatly enhancing replay speed.
Prepared transactions that live past one checkpoint redo horizon will be written to disk as now.
Similar conceptually to 978b2f65aa and building upon
the infrastructure created by that commit.

Authors, in equal measure: Stas Kelvich, Nikhil Sontakke and Michael Paquier
Discussion: https://postgr.es/m/CAMGcDxf8Bn9ZPBBJZba9wiyQq-Qk5uqq=VjoMnRnW5s+fKST3w@mail.gmail.com
2017-04-04 15:56:56 -04:00
..
access Speedup 2PC recovery by skipping two phase state files in normal path 2017-04-04 15:56:56 -04:00
bootstrap Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
catalog BRIN de-summarization 2017-04-01 16:10:04 -03:00
commands Add infrastructure to support EphemeralNamedRelation references. 2017-03-31 23:17:18 -05:00
common Sync pg_dump and pg_dumpall output 2017-03-22 10:20:13 -04:00
datatype Consistently declare timestamp variables as TimestampTz. 2017-02-23 15:57:08 -05:00
executor Add infrastructure to support EphemeralNamedRelation references. 2017-03-31 23:17:18 -05:00
fe_utils Allow psql variable substitution to occur in backtick command strings. 2017-04-01 21:44:54 -04:00
foreign Allow custom and foreign scans to have shutdown callbacks. 2017-02-26 13:41:12 +05:30
lib Support hashed aggregation with grouping sets. 2017-03-27 04:20:54 +01:00
libpq Allow SCRAM authentication, when pg_hba.conf says 'md5'. 2017-03-24 13:32:21 +02:00
mb ICU support 2017-03-23 15:28:48 -04:00
nodes Abstract logic to allow for multiple kinds of child rels. 2017-04-03 22:41:31 -04:00
optimizer Abstract logic to allow for multiple kinds of child rels. 2017-04-03 22:41:31 -04:00
parser Add infrastructure to support EphemeralNamedRelation references. 2017-03-31 23:17:18 -05:00
port Enable 64 bit atomics on ARM64. 2017-03-10 11:19:54 -08:00
portability Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
postmaster Make header self-contained 2017-04-03 16:17:45 -04:00
regex Document intentional violations of header inclusion policy. 2017-03-08 17:01:13 -05:00
replication Cleanup slots during drop database 2017-03-28 10:05:21 -04:00
rewrite Remove deprecated COMMENT ON RULE syntax 2017-02-23 08:19:52 -05:00
snowball Document intentional violations of header inclusion policy. 2017-03-08 17:01:13 -05:00
statistics Fix uninitialized memory propagation mistakes 2017-03-27 14:52:19 -03:00
storage Remove direct uses of ItemPointer.{ip_blkid,ip_posid} 2017-03-28 19:02:23 -03:00
tcop Add infrastructure to support EphemeralNamedRelation references. 2017-03-31 23:17:18 -05:00
tsearch Full Text Search support for json and jsonb 2017-03-31 14:26:03 -04:00
utils Expand hash indexes more gradually. 2017-04-03 23:46:33 -04:00
.gitignore Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
c.h Recommend wrappers of PG_DETOAST_DATUM_PACKED(). 2017-03-12 19:35:33 -04:00
fmgr.h Remove support for version-0 calling conventions. 2017-03-30 06:25:46 -07:00
funcapi.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
getaddrinfo.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
getopt_long.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
Makefile Generate fmgr prototypes automatically 2017-01-17 14:06:07 -05:00
miscadmin.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
pg_config.h.in Cast result of copyObject() to correct type 2017-03-28 21:59:23 -04:00
pg_config.h.win32 Fix hardcoded typeof check result for Windows 2017-03-29 08:55:34 -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 Fix default minimum value for descending sequences 2017-01-23 14:00:58 -05:00
pg_getopt.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
pg_trace.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
pgstat.h Show more processes in pg_stat_activity. 2017-03-26 22:02:22 -04:00
pgtar.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
pgtime.h Fix incorrect comment: pgtime's tm_mon is 1-based, not 0-based. 2017-01-24 09:36:17 -05:00
port.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
postgres.h Recommend wrappers of PG_DETOAST_DATUM_PACKED(). 2017-03-12 19:35:33 -04:00
postgres_ext.h Move atooid() definition to a central place 2017-03-01 11:55:28 -05:00
postgres_fe.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
rusagestub.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
windowapi.h Update copyright via script for 2017 2017-01-03 13:48:53 -05:00