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TD-2513 let vnode keep work as master if onlineNum=0.5

This commit is contained in:
Shengliang Guan 2020-12-23 06:09:19 +00:00
parent 4f0129103f
commit fba78a9da9
2 changed files with 9 additions and 5 deletions
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8
src/sync/src/syncMain.c
View File

@ -715,8 +715,12 @@ static SSyncPeer *syncCheckMaster(SSyncNode *pNode) {
if (onlineNum <= replica * 0.5) {
if (nodeRole != TAOS_SYNC_ROLE_UNSYNCED) {
nodeRole = TAOS_SYNC_ROLE_UNSYNCED;
sInfo("vgId:%d, self change to unsynced state, online:%d replica:%d", pNode->vgId, onlineNum, replica);
if (nodeRole == TAOS_SYNC_ROLE_MASTER && onlineNum == replica * 0.5) {
sInfo("vgId:%d, self keep work as master, online:%d replica:%d", pNode->vgId, onlineNum, replica);
} else {
nodeRole = TAOS_SYNC_ROLE_UNSYNCED;
sInfo("vgId:%d, self change to unsynced state, online:%d replica:%d", pNode->vgId, onlineNum, replica);
}
(*pNode->notifyRole)(pNode->vgId, nodeRole);
}
} else {

6
tests/script/unique/dnode/offline3.sim
View File

@ -84,15 +84,15 @@ step2:
return -1
endi
sql show vgroups;
print $data00 $data01 $data02 $data03 $data04 $data05 $data06 $data07 $data08 $data09
sql show dnodes
print dnode1 $data4_1
print dnode2 $data4_2
print dnode3 $data4_3
print dnode4 $data4_4
sql show vgroups;
print $data00 $data01 $data02 $data03 $data04 $data05 $data06 $data07 $data08 $data09
if $data4_1 != ready then
goto step2
endi