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Check file handle limit on startup (RIPD-442, RIPD-1024):

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Calculate the number of file descriptors that are needed during
execution based on the configuration file, with a hard floor
of 1024, adjusting the limit if possible. Refuse to run if enough
fds are not available.

Additionally, allow administrators to limit the number of incoming
connections a configured port will accept. By default no limit is
imposed.
This commit is contained in:
Nik Bougalis
2016-04-08 09:39:09 -07:00
parent 79ca82c078
commit 47eb4da080
25 changed files with 265 additions and 88 deletions
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14
src/ripple/app/misc/SHAMapStoreImp.cpp
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@@ -221,6 +221,9 @@ SHAMapStoreImp::makeDatabase (std::string const& name,
makeBackendRotating (state.writableDb));
std::shared_ptr <NodeStore::Backend> archiveBackend (
makeBackendRotating (state.archiveDb));
fdlimit_ = writableBackend->fdlimit() + archiveBackend->fdlimit();
std::unique_ptr <NodeStore::DatabaseRotating> dbr =
makeDatabaseRotating (name, readThreads, writableBackend,
archiveBackend);
@@ -237,8 +240,9 @@ SHAMapStoreImp::makeDatabase (std::string const& name,
}
else
{
db = NodeStore::Manager::instance().make_Database (name, scheduler_, nodeStoreJournal_,
readThreads, setup_.nodeDatabase);
db = NodeStore::Manager::instance().make_Database (name, scheduler_,
nodeStoreJournal_, readThreads, setup_.nodeDatabase);
fdlimit_ = db->fdlimit();
}
return db;
@@ -269,6 +273,12 @@ SHAMapStoreImp::rendezvous() const
});
}
int
SHAMapStoreImp::fdlimit () const
{
return fdlimit_;
}
bool
SHAMapStoreImp::copyNode (std::uint64_t& nodeCount,
SHAMapAbstractNode const& node)