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Code Issues Releases Wiki Activity

ircd::db: Checkin some options related.

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This commit is contained in:
Jason Volk 2018-08-19 01:16:49 -07:00
parent b8936261b5
commit 0dd075ab78
1 changed files with 13 additions and 4 deletions
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17
ircd/db.cc
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@ -694,9 +694,10 @@ try
opts.max_background_flushes = 1; opts.max_background_flushes = 1;
opts.max_background_compactions = 1; opts.max_background_compactions = 1;
opts.max_subcompactions = 1; opts.max_subcompactions = 1;
opts.max_open_files = -1; //ircd::info::rlimit_nofile / 4; opts.max_open_files = 0; //ircd::info::rlimit_nofile / 4;
//opts.allow_concurrent_memtable_write = true; //opts.allow_concurrent_memtable_write = true;
//opts.enable_write_thread_adaptive_yield = false; //opts.enable_write_thread_adaptive_yield = false;
opts.use_direct_reads = true;
//opts.use_fsync = true; //opts.use_fsync = true;
#ifdef RB_DEBUG #ifdef RB_DEBUG
@ -2899,6 +2900,14 @@ const noexcept
// random_access_file // random_access_file
// //
const ircd::fs::fd::opts
_random_access_file_opts{[]
{
ircd::fs::fd::opts ret{std::ios_base::in};
ret.direct = true;
return ret;
}()};
ircd::db::database::env::random_access_file::random_access_file(database *const &d, ircd::db::database::env::random_access_file::random_access_file(database *const &d,
const std::string &name, const std::string &name,
const EnvOptions &opts) const EnvOptions &opts)
@ -2908,7 +2917,7 @@ ircd::db::database::env::random_access_file::random_access_file(database *const
} }
,fd ,fd
{ {
name, std::ios_base::in | std::ios_base::out name, _random_access_file_opts
} }
{ {
} }
@ -3061,14 +3070,14 @@ bool
ircd::db::database::env::random_access_file::use_direct_io() ircd::db::database::env::random_access_file::use_direct_io()
const noexcept const noexcept
{ {
return false; return _random_access_file_opts.direct;
} }
size_t size_t
ircd::db::database::env::random_access_file::GetRequiredBufferAlignment() ircd::db::database::env::random_access_file::GetRequiredBufferAlignment()
const noexcept const noexcept
{ {
return 16; return 4096;
} }
// //