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Merge pull request #27094 from taosdata/fix/TS-5271-3.0 

fix: disable process write request when vnode is in snapshot mode
This commit is contained in:
Hongze Cheng 2024-08-09 11:14:49 +08:00 committed by GitHub
parent bf2ed4af4f fd632cdc58
commit f83521b2eb
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GPG Key ID: B5690EEEBB952194
6 changed files with 19 additions and 1 deletions
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1
include/util/taoserror.h
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@ -529,6 +529,7 @@ int32_t taosGetErrSize();
#define TSDB_CODE_VND_META_DATA_UNSAFE_DELETE TAOS_DEF_ERROR_CODE(0, 0x0535)
#define TSDB_CODE_VND_COLUMN_COMPRESS_ALREADY_EXIST TAOS_DEF_ERROR_CODE(0, 0x0536)
#define TSDB_CODE_VND_ARB_NOT_SYNCED TAOS_DEF_ERROR_CODE(0, 0x0537) // internal
#define TSDB_CODE_VND_WRITE_DISABLED TAOS_DEF_ERROR_CODE(0, 0x0538) // internal
// tsdb
#define TSDB_CODE_TDB_INVALID_TABLE_ID TAOS_DEF_ERROR_CODE(0, 0x0600)

1
source/dnode/vnode/src/inc/vnodeInt.h
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@ -473,6 +473,7 @@ struct SVnode {
STfs* pTfs;
int32_t diskPrimary;
SMsgCb msgCb;
bool disableWrite;
// Buffer Pool
TdThreadMutex mutex;

1
source/dnode/vnode/src/vnd/vnodeOpen.c
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@ -403,6 +403,7 @@ SVnode *vnodeOpen(const char *path, int32_t diskPrimary, STfs *pTfs, SMsgCb msgC
pVnode->msgCb = msgCb;
(void)taosThreadMutexInit(&pVnode->lock, NULL);
pVnode->blocked = false;
pVnode->disableWrite = false;
(void)tsem_init(&pVnode->syncSem, 0, 0);
(void)taosThreadMutexInit(&pVnode->mutex, NULL);

8
source/dnode/vnode/src/vnd/vnodeSnapshot.c
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@ -609,7 +609,10 @@ int32_t vnodeSnapWriterOpen(SVnode *pVnode, SSnapshotParam *pParam, SVSnapWriter
int64_t sver = pParam->start;
int64_t ever = pParam->end;
// cancel and disable all bg task
// disable write, cancel and disable all bg tasks
(void)taosThreadMutexLock(&pVnode->mutex);
pVnode->disableWrite = true;
(void)taosThreadMutexUnlock(&pVnode->mutex);
(void)vnodeCancelAndDisableAllBgTask(pVnode);
// alloc
@ -742,6 +745,9 @@ int32_t vnodeSnapWriterClose(SVSnapWriter *pWriter, int8_t rollback, SSnapshot *
}
(void)vnodeBegin(pVnode);
(void)taosThreadMutexLock(&pVnode->mutex);
pVnode->disableWrite = false;
(void)taosThreadMutexUnlock(&pVnode->mutex);
_exit:
if (code) {

8
source/dnode/vnode/src/vnd/vnodeSvr.c
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@ -518,6 +518,14 @@ int32_t vnodeProcessWriteMsg(SVnode *pVnode, SRpcMsg *pMsg, int64_t ver, SRpcMsg
void *pReq;
int32_t len;
(void)taosThreadMutexLock(&pVnode->mutex);
if (pVnode->disableWrite) {
(void)taosThreadMutexUnlock(&pVnode->mutex);
vError("vgId:%d write is disabled for snapshot, version:%" PRId64, TD_VID(pVnode), ver);
return TSDB_CODE_VND_WRITE_DISABLED;
}
(void)taosThreadMutexUnlock(&pVnode->mutex);
if (ver <= pVnode->state.applied) {
vError("vgId:%d, duplicate write request. ver: %" PRId64 ", applied: %" PRId64 "", TD_VID(pVnode), ver,
pVnode->state.applied);

1
source/util/src/terror.c
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@ -409,6 +409,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_VND_ALREADY_IS_VOTER, "Vnode already is a vo
TAOS_DEFINE_ERROR(TSDB_CODE_VND_DIR_ALREADY_EXIST, "Vnode directory already exist")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_META_DATA_UNSAFE_DELETE, "Single replica vnode data will lost permanently after this operation, if you make sure this, please use drop dnode <id> unsafe to execute")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_ARB_NOT_SYNCED, "Vgroup peer is not synced")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_WRITE_DISABLED, "Vnode write is disabled for snapshot")
TAOS_DEFINE_ERROR(TSDB_CODE_VND_COLUMN_COMPRESS_ALREADY_EXIST,"Same with old param")