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fix(stream): limit the max scan times.

This commit is contained in:
Haojun Liao 2023-09-19 17:45:28 +08:00
parent 1a86ee6517
commit 927f2d896c
1 changed files with 5 additions and 0 deletions
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5
source/dnode/vnode/src/tq/tqStreamTask.c
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@ -16,6 +16,8 @@
#include "tq.h"
#include "vnd.h"
#define MAX_REPEAT_SCAN_THRESHOLD 3
static int32_t doScanWalForAllTasks(SStreamMeta* pStreamMeta, bool* pScanIdle);
static int32_t setWalReaderStartOffset(SStreamTask* pTask, int32_t vgId);
static void handleFillhistoryScanComplete(SStreamTask* pTask, int64_t ver);
@ -153,6 +155,9 @@ int32_t tqScanWalAsync(STQ* pTq, bool ckPause) {
}
pMeta->walScanCounter += 1;
if (pMeta->walScanCounter > MAX_REPEAT_SCAN_THRESHOLD) {
pMeta->walScanCounter = MAX_REPEAT_SCAN_THRESHOLD;
}
if (pMeta->walScanCounter > 1) {
tqDebug("vgId:%d wal read task has been launched, remain scan times:%d", vgId, pMeta->walScanCounter);