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Use async exist for write

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This commit is contained in:
Antonio Andelic 2022-08-31 10:40:32 +00:00
parent 9dd1a9859d
commit 7d5e13c6ba
1 changed files with 9 additions and 3 deletions
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12
src/Storages/StorageKeeperMap.cpp
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@ -147,17 +147,23 @@ public:
current_keys_num = root_stat.numChildren - 1;
}
std::vector<std::pair<const std::string *, std::future<Coordination::ExistsResponse>>> exist_responses;
for (const auto & [key, value] : new_values)
{
auto path = storage.fullPathForKey(key);
if (zookeeper->exists(path))
exist_responses.push_back({&key, zookeeper->asyncExists(path)});
}
for (auto & [key, response] : exist_responses)
{
if (response.get().error == Coordination::Error::ZOK)
{
requests.push_back(zkutil::makeSetRequest(path, value, -1));
requests.push_back(zkutil::makeSetRequest(storage.fullPathForKey(*key), new_values[*key], -1));
}
else
{
requests.push_back(zkutil::makeCreateRequest(path, value, zkutil::CreateMode::Persistent));
requests.push_back(zkutil::makeCreateRequest(storage.fullPathForKey(*key), new_values[*key], zkutil::CreateMode::Persistent));
++new_keys_num;
}
}