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vnode snapshot read

This commit is contained in:
yihaoDeng 2023-07-04 00:46:39 +00:00
parent 247d3ac7ee
commit e7b37486bb
1 changed files with 19 additions and 13 deletions
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28
source/libs/stream/src/streamBackendRocksdb.c
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@ -196,11 +196,6 @@ void streamBackendCleanup(void* arg) {
return;
}
/*
* checkpointSave |--cp1--|--cp2--|--cp3--|--cp4--|--cp5--|
* checkpointInUse: |--cp2--|--cp4--|, checkpointDir in checkpointInUse do replicate trans, cannot del until
* replication is finished
*/
int32_t getLatestCheckpoint(void* arg, int64_t* checkpoint) {
SStreamMeta* pMeta = arg;
taosWLockLatch(&pMeta->checkpointDirLock);
@ -218,12 +213,16 @@ int32_t getLatestCheckpoint(void* arg, int64_t* checkpoint) {
taosWUnLockLatch(&pMeta->checkpointDirLock);
return 0;
}
/*
* checkpointSave |--cp1--|--cp2--|--cp3--|--cp4--|--cp5--|
* checkpointInUse: |--cp2--|--cp4--|
* checkpointInUse is doing translation, cannot del until
* replication is finished
*/
int32_t delObsoleteCheckpoint(void* arg, const char* path) {
SStreamMeta* pMeta = arg;
taosWLockLatch(&pMeta->checkpointDirLock);
int64_t checkpointId = pMeta->checkpointTs;
taosArrayPush(pMeta->checkpointSaved, &checkpointId);
SArray* checkpointDel = taosArrayInit(10, sizeof(int64_t));
SArray* checkpointDup = taosArrayInit(10, sizeof(int64_t));
@ -241,13 +240,16 @@ int32_t delObsoleteCheckpoint(void* arg, const char* path) {
}
}
} else {
for (int i = taosArrayGetSize(pMeta->checkpointSaved); i >= 0; i--) {
int32_t sz = taosArrayGetSize(pMeta->checkpointSaved);
int32_t dsz = sz - pMeta->checkpointCap; // del size
for (int i = 0; i < dsz; i++) {
int64_t id = *(int64_t*)taosArrayGet(pMeta->checkpointSaved, i);
if (taosArrayGetSize(checkpointDup) < pMeta->checkpointCap) {
taosArrayPush(checkpointDup, &id);
} else {
taosArrayPush(checkpointDel, &id);
}
for (int i = dsz < 0 ? 0 : dsz; i < sz; i++) {
int64_t id = *(int64_t*)taosArrayGet(pMeta->checkpointSaved, i);
taosArrayPush(checkpointDup, &id);
}
}
taosArrayDestroy(pMeta->checkpointSaved);
@ -301,6 +303,10 @@ int32_t streamBackendDoCheckpoint(void* arg, const char* path) {
}
rocksdb_checkpoint_object_destroy(cp);
}
taosWLockLatch(&pMeta->checkpointDirLock);
taosArrayPush(pMeta->checkpointSaved, &checkpointId);
taosWUnLockLatch(&pMeta->checkpointDirLock);
delObsoleteCheckpoint(arg, path);
_ERROR:
taosReleaseRef(streamBackendId, backendRid);