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Code Issues Releases Wiki Activity

ircd::db: Improve request pool initialization and size determination.

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This commit is contained in:
Jason Volk 2020-06-08 17:09:22 -07:00
parent 7a87f2eda9
commit 4a1f04823f
2 changed files with 31 additions and 2 deletions
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1
include/ircd/db/db.h
View file

@ -84,6 +84,7 @@ namespace ircd
/// Database subsystem initialization and destruction
struct ircd::db::init
{
static void request_pool();
static void compressions();
static void directory();
static void test_direct_io();

32
ircd/db.cc
View file

@ -66,7 +66,7 @@ ircd::db::request_pool_size
{
{
{ "name", "ircd.db.request_pool.size" },
{ "default", 32L },
{ "default", 0L },
}, []
{
request.set(size_t(request_pool_size));
@ -131,9 +131,9 @@ try
#endif
compressions();
directory();
request_pool();
test_direct_io();
test_hw_crc32();
request.add(request_pool_size);
}
catch(const std::exception &e)
{
@ -350,6 +350,34 @@ catch(const std::exception &e)
throw;
}
void
ircd::db::init::request_pool()
{
char buf[32];
const string_view value
{
conf::get(buf, "ircd.fs.aio.max_events")
};
const size_t aio_max_events
{
lex_castable<size_t>(value)?
lex_cast<size_t>(value):
0UL
};
const size_t new_size
{
size_t(request_pool_size)?
request_pool_size:
aio_max_events?
aio_max_events:
1UL
};
request_pool_size.set(lex_cast(new_size));
}
///////////////////////////////////////////////////////////////////////////////
//
// database