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enh: support config randErrorDivisor dynamically

This commit is contained in:
kailixu 2024-08-13 14:19:28 +08:00
parent c9a4466422
commit ee05a536ef
4 changed files with 22 additions and 16 deletions
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1
include/os/os.h
View File

@ -125,6 +125,7 @@ extern "C" {
#include "tlog.h"
extern int32_t tsRandErrChance;
extern int64_t tsRandErrDivisor;
extern threadlocal bool tsEnableRandErr;
#ifdef __cplusplus

5
source/common/src/tglobal.c
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@ -734,6 +734,7 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "compactPullupInterval", tsCompactPullupInterval, 1, 10000, CFG_SCOPE_SERVER, CFG_DYN_ENT_SERVER));
TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "mqRebalanceInterval", tsMqRebalanceInterval, 1, 10000, CFG_SCOPE_SERVER, CFG_DYN_ENT_SERVER));
TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "randErrorChance", tsRandErrChance, 0, 10000, CFG_SCOPE_BOTH, CFG_DYN_NONE));
TAOS_CHECK_RETURN(cfgAddInt64(pCfg, "randErrorDivisor", tsRandErrDivisor, 1, INT64_MAX, CFG_SCOPE_BOTH, CFG_DYN_SERVER));
TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "ttlUnit", tsTtlUnit, 1, 86400 * 365, CFG_SCOPE_SERVER, CFG_DYN_NONE));
TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "ttlPushInterval", tsTtlPushIntervalSec, 1, 100000, CFG_SCOPE_SERVER, CFG_DYN_ENT_SERVER));
@ -1427,6 +1428,9 @@ static int32_t taosSetServerCfg(SConfig *pCfg) {
TAOS_CHECK_GET_CFG_ITEM(pCfg, pItem, "randErrorChance");
tsRandErrChance = pItem->i32;
TAOS_CHECK_GET_CFG_ITEM(pCfg, pItem, "randErrorDivisor");
tsRandErrDivisor = pItem->i64;
TAOS_CHECK_GET_CFG_ITEM(pCfg, pItem, "ttlUnit");
tsTtlUnit = pItem->i32;
@ -1881,6 +1885,7 @@ static int32_t taosCfgDynamicOptionsForServer(SConfig *pCfg, const char *name) {
{"mndSdbWriteDelta", &tsMndSdbWriteDelta},
{"minDiskFreeSize", &tsMinDiskFreeSize},
{"randErrorDivisor", &tsRandErrDivisor},
{"cacheLazyLoadThreshold", &tsCacheLazyLoadThreshold},
{"checkpointInterval", &tsStreamCheckpointInterval},

2
source/os/src/osFile.c
View File

@ -67,7 +67,7 @@ typedef struct TdFile {
#ifdef BUILD_WITH_RAND_ERR
#define STUB_RAND_IO_ERR(ret) \
if (tsEnableRandErr) { \
uint32_t r = taosRand() % 10001; \
uint32_t r = taosRand() % tsRandErrDivisor; \
if ((r + 1) <= tsRandErrChance) { \
errno = EIO; \
terrno = TAOS_SYSTEM_ERROR(errno); \

12
source/os/src/osMemory.c
View File

@ -22,9 +22,9 @@
#include "os.h"
int32_t tsRandErrChance = 1;
int64_t tsRandErrDivisor = 10001;
threadlocal bool tsEnableRandErr = 0;
#if defined(USE_TD_MEMORY) || defined(USE_ADDR2LINE)
#define TD_MEMORY_SYMBOL ('T' << 24 | 'A' << 16 | 'O' << 8 | 'S')
@ -273,7 +273,7 @@ void *taosMemoryMalloc(int64_t size) {
#ifdef BUILD_WITH_RAND_ERR
if (tsEnableRandErr) {
uint32_t r = taosRand() % 10001;
uint32_t r = taosRand() % tsRandErrDivisor;
if ((r + 1) <= tsRandErrChance) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
@ -303,7 +303,7 @@ void *taosMemoryCalloc(int64_t num, int64_t size) {
#else
#ifdef BUILD_WITH_RAND_ERR
if (tsEnableRandErr) {
uint32_t r = taosRand() % 10001;
uint32_t r = taosRand() % tsRandErrDivisor;
if ((r + 1) <= tsRandErrChance) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
@ -343,7 +343,7 @@ void *taosMemoryRealloc(void *ptr, int64_t size) {
#else
#ifdef BUILD_WITH_RAND_ERR
if (tsEnableRandErr) {
uint32_t r = taosRand() % 10001;
uint32_t r = taosRand() % tsRandErrDivisor;
if ((r + 1) <= tsRandErrChance) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
@ -378,7 +378,7 @@ char *taosStrdup(const char *ptr) {
#else
#ifdef BUILD_WITH_RAND_ERR
if (tsEnableRandErr) {
uint32_t r = taosRand() % 10001;
uint32_t r = taosRand() % tsRandErrDivisor;
if ((r + 1) <= tsRandErrChance) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
@ -444,7 +444,7 @@ void *taosMemoryMallocAlign(uint32_t alignment, int64_t size) {
#if defined(LINUX)
#ifdef BUILD_WITH_RAND_ERR
if (tsEnableRandErr) {
uint32_t r = taosRand() % 10001;
uint32_t r = taosRand() % tsRandErrDivisor;
if ((r + 1) <= tsRandErrChance) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;