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This commit is contained in:
Jon Fu 2021-01-04 16:00:12 -05:00
parent 53d23d95d8
commit a0d33c5d03
1 changed files with 18 additions and 10 deletions
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12
fdbclient/SystemData.h
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@ -255,18 +255,25 @@ std::vector<std::pair<UID, Version>> decodeBackupStartedValue(const ValueRef& va
// 1 = Send a signal to pause/already paused.
extern const KeyRef backupPausedKey;
// "\xff/coordinators = [[ClusterConnectionString]]"
// "\xff/coordinators" = "[[ClusterConnectionString]]"
// Set to the encoded structure of the cluster's current set of coordinators.
// Changed when performing quorumChange.
// See "CoordinationInterface.h" struct ClusterConnectionString for more details
extern const KeyRef coordinatorsKey;
// "\xff/logs" = "[[LogsValue]]"
// Used during master recovery in order to communicate
// and store info about the logs system.
extern const KeyRef logsKey;
// "\xff/minRequiredCommitVersion" = "[[Version]]"
// Used during backup/recovery to restrict version requirements
extern const KeyRef minRequiredCommitVersionKey;
const Value logsValue( const vector<std::pair<UID, NetworkAddress>>& logs, const vector<std::pair<UID, NetworkAddress>>& oldLogs );
std::pair<vector<std::pair<UID, NetworkAddress>>,vector<std::pair<UID, NetworkAddress>>> decodeLogsValue( const ValueRef& value );
// The "global keys" are send to each storage server any time they are changed
// The "global keys" are sent to each storage server any time they are changed
extern const KeyRef globalKeysPrefix;
extern const KeyRef lastEpochEndKey;
extern const KeyRef lastEpochEndPrivateKey;
@ -294,6 +301,7 @@ extern const KeyRef tagThrottleLimitKey;
extern const KeyRef tagThrottleCountKey;
// Log Range constant variables
// Used in the backup pipeline to track mutations
// \xff/logRanges/[16-byte UID][begin key] := serialize( make_pair([end key], [destination key prefix]), IncludeVersion() )
extern const KeyRangeRef logRangesRange;