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Address review comments, improve performance

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Xiaoge Su 2020-08-08 23:17:14 -07:00 committed by Xiaoge Su
parent 49968b8200
commit ceeade7334
3 changed files with 14 additions and 16 deletions
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1
documentation/sphinx/source/release-notes/release-notes-630.rst
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@ -8,6 +8,7 @@ Release Notes
=====
* Fix an issue where ``fdbcli --exec 'exclude no_wait ...'`` would incorrectly report that processes can safely be removed from the cluster. `(PR #3566) <https://github.com/apple/foundationdb/pull/3566>`_
* When a configuration key is changed, it will always be included in ``status json`` output, even the value is reverted back to the default value. `(PR #3610) <https://github.com/apple/foundationdb/pull/3610>`_
6.3.4
=====

26
fdbclient/DatabaseConfiguration.cpp
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@ -562,25 +562,21 @@ void DatabaseConfiguration::fromKeyValues(Standalone<VectorRef<KeyValueRef>> raw
setDefaultReplicationPolicy();
}
bool DatabaseConfiguration::isOverridden(const std::string& key) const {
bool DatabaseConfiguration::isOverridden(std::string key) const {
key = configKeysPrefix.toString() + key;
if (mutableConfiguration.present() && mutableConfiguration.get().find(key) != mutableConfiguration.get().end()) {
return true;
}
const int keyLen = key.size();
for (auto iter = rawConfiguration.begin(); iter != rawConfiguration.end(); ++iter) {
auto confKey = iter->key.removePrefix(configKeysPrefix).toString();
if (key == confKey) {
const auto& rawConfKey = iter->key;
if (keyLen == rawConfKey.size() &&
strncmp(key.c_str(), reinterpret_cast<const char*>(rawConfKey.begin()), keyLen) == 0) {
return true;
}
}
if (!mutableConfiguration.present()) {
return false;
}
for (auto iter = mutableConfiguration.get().begin(); iter != mutableConfiguration.get().end(); ++iter) {
UNSTOPPABLE_ASSERT(iter->first.size() >= configKeysPrefix.size() &&
iter->first.substr(0, configKeysPrefix.size()) == configKeysPrefix.toString());
auto confKey = iter->first.substr(configKeysPrefix.size());
if (key == confKey) {
return true;
}
}
return false;
}

3
fdbclient/DatabaseConfiguration.h
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@ -231,7 +231,8 @@ private:
void resetInternal();
void setDefaultReplicationPolicy();
bool isOverridden(const std::string& key) const;
/// Check if the key is overridden by either mutableConfiguration or rawConfiguration
bool isOverridden(std::string key) const;
};
#endif