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odyssey
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39 Commits

Author SHA1 Message Date
Dmitry Simonenko 6f018e48e5 odyssey: rework connection retry logic for too many connections case 2019-08-10 21:03:41 +03:00
Dmitry Simonenko feb97828c6 odyssey: post merge fixes and refactoring 2019-08-10 19:30:45 +03:00
Michael Goryainov 7713e08f41 Moved od_getpeername() call to auth.c 2019-07-17 13:07:34 +03:00
Andrey Borodin 99b1979ea5 Reformat code 2019-06-26 10:49:51 +05:00
Michael Goryainov 7b6fb2ded7 * Corrected SEGFAULT in case of non-existent user in auth_query 
+ Added ability for host-based authentification a-la pg_hba:
  e.g.
  auth_query "SELECT usename, passwd FROM pg_shadow,pg_hba_net WHERE usename='%u' AND ((pg_shadow.usename=pg_hba_net.username and network >> '%h') OR (SELECT COUNT(*) FROM pg_hba_net WHERE username='%u'))
 2019-06-25 17:09:31 +03:00
Andrey Borodin 76ec3581a1
Use pg_lrand48 for portability (#48) 2019-01-30 14:30:31 +05:00
Dmitry Simonenko 6c0a1f09f8 odyssey: major rework of io architecture 
This patch intend is to improve overall io performance, reduce
cpu and system usage.

Machinarium:

IO read/write logic is highly simplified and now based on conditions
instead of previously made internal readahead buffer and msg
queues. This allows to give user more control over io operations and
avoid doing undesired readahead copying.

Above that, TLS implementation reworked to use async logic instead of
separate BIO layer.

Direct pooling functions removed.

New objects machine_cond_t and machine_iov_t objects.

Odyssey:

Introduced readahead, io and relay objects.

Relay allows to connect two io handles for direct data retransmission
without double copying.

Removed configuration options no longer needed:
packet_read_size, packet_write_queue
 2019-01-23 18:43:52 +03:00
Dmitry Simonenko 9d6dea5d92 odyssey: major parameter settings optimization 2018-12-12 16:07:25 +03:00
Dmitry Simonenko 2e03af9c88 odyssey: major router and shared logic rework 
Goal is to improve overall performance during massive peaks
of connecting clients.

This patch makes router a shared structure, instead of
being run in separate system worker thread/coroutine.

Now router and each route object is protected by
separate mutex. Worker threads directly access router object
without calls to separate thread.
 2018-12-06 17:23:15 +03:00
Dmitry Simonenko c8fd785c3e odyssey: bring reworked auth_query back 2018-08-30 17:07:16 +03:00
Dmitry Simonenko da7e6ea7a5 odyssey: major io rework and refactoring 
This patch moves Odyssey from stream based write caching
to message driven. All write operations are delayed
and happen on a group of messages.

This removes necessity to do IO and wait for write completion during calls
from SSL_write() context. Write timings should behave more predictable now and
number of used syscalls should be also decreased.

This patch also simplifies caching management. All clients are simply
reusing cached messages without prolonged contention.

Several configuration options are no longer used:
pipeline, cache, cache_chunk
 2018-08-28 17:43:46 +03:00
Dmitry Simonenko 13cd78edfb odyssey: move server sync state out of stats 2018-08-08 16:58:39 +03:00
Dmitry Simonenko f7a4438ec1 odyssey: move stats out of server_t 2018-08-02 16:38:36 +03:00
Dmitry Simonenko e837641719 odyssey: rework query/tx stats calculation 2018-08-01 18:10:44 +03:00
Dmitry Simonenko 5ca3fa926a odyssey: update source file headers 2018-04-04 16:19:58 +03:00
Dmitry Simonenko 38430a9d51 odyssey: remove config versioning 2018-03-21 17:36:57 +03:00
Dmitry Simonenko 9fcf2a4a80 odyssey: remake pooler service as system 2018-03-13 16:26:04 +03:00
Dmitry Simonenko 20a092098e odyssey: remake system_t as global_t 2018-03-13 16:17:27 +03:00
Dmitry Simonenko f108dcba09 odyssey: project rename 2018-03-12 17:03:15 +03:00
Dmitry Simonenko bb826db7e8 odissey: major scheme rework, rename it to config 2018-03-06 18:23:52 +03:00
Dmitry Simonenko 4df9f8e760 odissey: move config to config_reader 2018-03-05 17:24:30 +03:00
Dmitry Simonenko d48cd092a0 odissey: relay and relay_pool is worker and worker_pool now 2018-03-02 13:00:52 +03:00
Dmitry Simonenko c90932b3d5 odissey: print message names 2018-03-01 16:53:27 +03:00
Dmitry Simonenko 11d89831c1 odissey: use msg enum names instead of hardcoded types 2018-03-01 16:22:08 +03:00
Dmitry Simonenko a19f18cef1 odissey: rework router cancel logic 2018-02-22 16:43:52 +03:00
Dmitry Simonenko f11a98432f odissey: rework server buffering using client stream 2018-02-13 16:33:40 +03:00
Dmitry Simonenko 0cc0f949b3 odissey: make server stream shared driven by attach/detach logic 2018-02-12 16:29:40 +03:00
Dmitry Simonenko 6dacad6fcb odissey: rework reset to send discard-configuration altogether 2018-01-24 17:28:48 +03:00
Dmitry Simonenko 15761a1186 odissey: introduce read pipelining to frontend main loop 2018-01-18 14:52:38 +03:00
Dmitry Simonenko 34412ef00d odissey: user stats for server sync state 2017-12-12 16:18:54 +03:00
Dmitry Simonenko efe40e93e8 odissey: remove pool_discard tweak 2017-12-08 17:46:14 +03:00
Dmitry Simonenko 7991ee0fb0 odissey: use copy safe od_snprintf() implementation 2017-11-27 15:54:16 +03:00
Dmitry Simonenko c27f5d196b odissey: properly handle server attach/detach cases during setup 2017-11-14 16:54:21 +03:00
Dmitry Simonenko 8d607df67d odissey: major rework of parameter status update logic 2017-10-07 15:30:00 +03:00
Dmitry Simonenko e72af35672 odissey: implement auth query string format 2017-10-05 16:42:30 +03:00
Dmitry Simonenko c2c20e5569 odissey: fix DataRow parsing and password size 2017-10-04 18:07:54 +03:00
Dmitry Simonenko d4294a3e22 odissey: parse auth query reply 2017-10-03 18:04:58 +03:00
Dmitry Simonenko 5de6ee3431 odissey: create forged client to do auth_query logic 2017-10-02 16:42:40 +03:00
Dmitry Simonenko 19a060752a odissey: add leftover auth_query files 2017-10-01 12:50:41 +03:00