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odyssey/sources/instance.h

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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
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#ifndef ODYSSEY_INSTANCE_H
#define ODYSSEY_INSTANCE_H
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/*
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* Odyssey.
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*
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* Scalable PostgreSQL connection pooler.
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*/
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typedef struct od_instance od_instance_t;
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struct od_instance
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{
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
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od_pid_t pid;
od_logger_t logger;
od_id_mgr_t id_mgr;
od_config_t config;
int is_shared;
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};
void od_instance_init(od_instance_t*);
void od_instance_free(od_instance_t*);
int od_instance_main(od_instance_t*, int, char**);
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 14:43:46 +00:00
#endif /* ODYSSEY_INSTANCE_H */