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Code Issues Packages Projects Releases 1 Wiki Activity

"node rejoin": use minRecoveryPointTLI for comparing timelines

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This commit is contained in:
Ian Barwick
2019-02-12 13:04:08 +09:00
parent 25019d1cc5
commit a0dc673439
3 changed files with 25 additions and 1 deletions
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22
controldata.c
View File

@@ -187,6 +187,22 @@ get_timeline(const char *data_directory)
}
TimeLineID
get_min_recovery_end_timeline(const char *data_directory)
{
ControlFileInfo *control_file_info = NULL;
TimeLineID timeline = -1;
control_file_info = get_controlfile(data_directory);
timeline = (int) control_file_info->minRecoveryPointTLI;
pfree(control_file_info);
return timeline;
}
XLogRecPtr
get_min_recovery_location(const char *data_directory)
{
@@ -226,6 +242,8 @@ get_controlfile(const char *DataDir)
control_file_info->checkPoint = InvalidXLogRecPtr;
control_file_info->data_checksum_version = -1;
control_file_info->timeline = -1;
control_file_info->minRecoveryPointTLI = -1;
control_file_info->minRecoveryPoint = InvalidXLogRecPtr;
/*
* Read PG_VERSION, as we'll need to determine which struct to read
@@ -298,6 +316,7 @@ get_controlfile(const char *DataDir)
control_file_info->checkPoint = ptr->checkPoint;
control_file_info->data_checksum_version = ptr->data_checksum_version;
control_file_info->timeline = ptr->checkPointCopy.ThisTimeLineID;
control_file_info->minRecoveryPointTLI = ptr->minRecoveryPointTLI;
control_file_info->minRecoveryPoint = ptr->minRecoveryPoint;
}
else if (version_num >= 90500)
@@ -308,6 +327,7 @@ get_controlfile(const char *DataDir)
control_file_info->checkPoint = ptr->checkPoint;
control_file_info->data_checksum_version = ptr->data_checksum_version;
control_file_info->timeline = ptr->checkPointCopy.ThisTimeLineID;
control_file_info->minRecoveryPointTLI = ptr->minRecoveryPointTLI;
control_file_info->minRecoveryPoint = ptr->minRecoveryPoint;
}
else if (version_num >= 90400)
@@ -318,6 +338,7 @@ get_controlfile(const char *DataDir)
control_file_info->checkPoint = ptr->checkPoint;
control_file_info->data_checksum_version = ptr->data_checksum_version;
control_file_info->timeline = ptr->checkPointCopy.ThisTimeLineID;
control_file_info->minRecoveryPointTLI = ptr->minRecoveryPointTLI;
control_file_info->minRecoveryPoint = ptr->minRecoveryPoint;
}
else if (version_num >= 90300)
@@ -328,6 +349,7 @@ get_controlfile(const char *DataDir)
control_file_info->checkPoint = ptr->checkPoint;
control_file_info->data_checksum_version = ptr->data_checksum_version;
control_file_info->timeline = ptr->checkPointCopy.ThisTimeLineID;
control_file_info->minRecoveryPointTLI = ptr->minRecoveryPointTLI;
control_file_info->minRecoveryPoint = ptr->minRecoveryPoint;
}

2
controldata.h
View File

@@ -25,6 +25,7 @@ typedef struct
XLogRecPtr checkPoint;
uint32 data_checksum_version;
TimeLineID timeline;
TimeLineID minRecoveryPointTLI;
XLogRecPtr minRecoveryPoint;
} ControlFileInfo;
@@ -339,6 +340,7 @@ extern int get_data_checksum_version(const char *data_directory);
extern uint64 get_system_identifier(const char *data_directory);
extern XLogRecPtr get_latest_checkpoint_location(const char *data_directory);
extern TimeLineID get_timeline(const char *data_directory);
extern TimeLineID get_min_recovery_end_timeline(const char *data_directory);
extern XLogRecPtr get_min_recovery_location(const char *data_directory);
#endif /* _CONTROLDATA_H_ */

2
repmgr-action-node.c
View File

@@ -2274,7 +2274,7 @@ do_node_rejoin(void)
{
bool can_follow;
can_follow = check_node_can_attach(get_timeline(config_file_options.data_directory),
can_follow = check_node_can_attach(get_min_recovery_end_timeline(config_file_options.data_directory),
get_min_recovery_location(config_file_options.data_directory),
primary_conn,
&primary_node_record,