diff --git a/source/libs/tdb/inc/tdb.h b/source/libs/tdb/inc/tdb.h
index 9a168c53117f93ff38e9cd6add5b076d4d0ce884..daffad3b7946f51eb74d48b4b500b4d1838abe0d 100644
--- a/source/libs/tdb/inc/tdb.h
+++ b/source/libs/tdb/inc/tdb.h
@@ -26,7 +26,7 @@ typedef struct STDb       TDB;
 typedef struct STDbEnv    TENV;
 typedef struct STDbCurosr TDBC;
 
-typedef int32_t pgsize_t;
+typedef int32_t pgsz_t;
 typedef int32_t cachesz_t;
 
 // TEVN
@@ -34,9 +34,9 @@ int tdbEnvCreate(TENV **ppEnv);
 int tdbEnvOpen(TENV **ppEnv);
 int tdbEnvClose(TENV *pEnv);
 
-int       tdbEnvSetPageSize(TENV *pEnv, pgsize_t szPage);
+int       tdbEnvSetPageSize(TENV *pEnv, pgsz_t szPage);
 int       tdbEnvSetCacheSize(TENV *pEnv, cachesz_t szCache);
-pgsize_t  tdbEnvGetPageSize(TENV *pEnv);
+pgsz_t    tdbEnvGetPageSize(TENV *pEnv);
 cachesz_t tdbEnvGetCacheSize(TENV *pEnv);
 
 // TDB
diff --git a/source/libs/tdb/src/db/btree.c b/source/libs/tdb/src/db/btree.c
index 8e308b63b94ec975f3807cc5a34979c7d22dbc0b..400d91514dc02c734f8cf406aebd8a6f2f2ff540 100644
--- a/source/libs/tdb/src/db/btree.c
+++ b/source/libs/tdb/src/db/btree.c
@@ -22,8 +22,8 @@ struct SBtCursor {
 };
 
 typedef struct {
-  pgno_t   pgno;
-  pgsize_t offset;
+  pgno_t pgno;
+  pgsz_t offset;
 } SBtIdx;
 
 static int btreeCreate(SBTree **pBt);
diff --git a/source/libs/tdb/src/db/pgcache.c b/source/libs/tdb/src/db/pgcache.c
index b0c4406a3c509f058532846f8b50a2206caaa3d4..9e66a5a9609207ec0792e8f004504b23ffdefdc5 100644
--- a/source/libs/tdb/src/db/pgcache.c
+++ b/source/libs/tdb/src/db/pgcache.c
@@ -17,7 +17,7 @@
 static void pgCachePinPage(SPage *pPage);
 static void pgCacheUnpinPage(SPage *pPage);
 
-int pgCacheCreate(SPgCache **ppPgCache, pgsize_t pgSize, int32_t npage) {
+int pgCacheCreate(SPgCache **ppPgCache, pgsz_t pgSize, int32_t npage) {
   SPgCache *pPgCache;
   SPage *   pPage;
 
diff --git a/source/libs/tdb/src/db/pgfile.c b/source/libs/tdb/src/db/pgfile.c
index 7f0ab55b000eb7f4f072300e44a6f11987b8ad43..c03303da384643d5eb9908add4de22b3fd009120 100644
--- a/source/libs/tdb/src/db/pgfile.c
+++ b/source/libs/tdb/src/db/pgfile.c
@@ -107,7 +107,7 @@ int pgFileWrite(SPage *pPage) {
 }
 
 static int pgFileRead(SPgFile *pPgFile, pgno_t pgno, uint8_t *pData) {
-  pgsize_t pgSize;
+  pgsz_t   pgSize;
   ssize_t  rsize;
   uint8_t *pTData;
   size_t   szToRead;
diff --git a/source/libs/tdb/src/db/tdbEnv.c b/source/libs/tdb/src/db/tdbEnv.c
index fe9238e1eb850621d21a5f1e33a7a7dd7e794926..cbc1ef341795618b7097e406a5ebbeba69b5823e 100644
--- a/source/libs/tdb/src/db/tdbEnv.c
+++ b/source/libs/tdb/src/db/tdbEnv.c
@@ -16,7 +16,7 @@
 #include "tdbInt.h"
 
 struct STDbEnv {
-  pgsize_t    pgSize;     // Page size
+  pgsz_t      pgSize;     // Page size
   cachesz_t   cacheSize;  // Total cache size
   STDbList    dbList;     // TDB List
   SPgFileList pgfList;    // SPgFile List
@@ -74,7 +74,7 @@ int tdbEnvClose(TENV *pEnv) {
   return 0;
 }
 
-int tdbEnvSetPageSize(TENV *pEnv, pgsize_t szPage) {
+int tdbEnvSetPageSize(TENV *pEnv, pgsz_t szPage) {
   /* TODO */
   pEnv->pgSize = szPage;
   return 0;
@@ -86,7 +86,7 @@ int tdbEnvSetCacheSize(TENV *pEnv, cachesz_t szCache) {
   return 0;
 }
 
-pgsize_t tdbEnvGetPageSize(TENV *pEnv) { return pEnv->pgSize; }
+pgsz_t tdbEnvGetPageSize(TENV *pEnv) { return pEnv->pgSize; }
 
 cachesz_t tdbEnvGetCacheSize(TENV *pEnv) { return pEnv->cacheSize; }
 
diff --git a/source/libs/tdb/src/db/tdb_mpool.c b/source/libs/tdb/src/db/tdb_mpool.c
index cc7927d51b0256de3f0edb6ccc0e401647d75f14..2049019970f83e58c3b28d19b8de1ced93f42f96 100644
--- a/source/libs/tdb/src/db/tdb_mpool.c
+++ b/source/libs/tdb/src/db/tdb_mpool.c
@@ -22,7 +22,7 @@ static int         tdbMPoolFileReadPage(TDB_MPFILE *mpf, pgno_t pgno, void *p);
 static int         tdbMPoolFileWritePage(TDB_MPFILE *mpf, pgno_t pgno, const void *p);
 static void        tdbMPoolClockEvictPage(TDB_MPOOL *mp, pg_t **pagepp);
 
-int tdbMPoolOpen(TDB_MPOOL **mpp, uint64_t cachesize, pgsize_t pgsize) {
+int tdbMPoolOpen(TDB_MPOOL **mpp, uint64_t cachesize, pgsz_t pgsize) {
   TDB_MPOOL *mp = NULL;
   size_t     tsize;
   pg_t *     pagep;
@@ -300,7 +300,7 @@ static void tdbMPoolUnregFile(TDB_MPOOL *mp, TDB_MPFILE *mpf) {
 }
 
 static int tdbMPoolFileReadPage(TDB_MPFILE *mpf, pgno_t pgno, void *p) {
-  pgsize_t   pgsize;
+  pgsz_t     pgsize;
   TDB_MPOOL *mp;
   off_t      offset;
   size_t     rsize;
@@ -317,7 +317,7 @@ static int tdbMPoolFileReadPage(TDB_MPFILE *mpf, pgno_t pgno, void *p) {
 }
 
 static int tdbMPoolFileWritePage(TDB_MPFILE *mpf, pgno_t pgno, const void *p) {
-  pgsize_t   pgsize;
+  pgsz_t     pgsize;
   TDB_MPOOL *mp;
   off_t      offset;
 
diff --git a/source/libs/tdb/src/inc/pgcache.h b/source/libs/tdb/src/inc/pgcache.h
index 9296e0bea13be39eb3daa351e9e9a22aaf1844a9..4cea86dc6d06cc8fe878ef35eb7c073e31ed5739 100644
--- a/source/libs/tdb/src/inc/pgcache.h
+++ b/source/libs/tdb/src/inc/pgcache.h
@@ -24,7 +24,7 @@ typedef struct SPgCache SPgCache;
 typedef struct SPage    SPage;
 
 // SPgCache
-int pgCacheCreate(SPgCache **ppPgCache, pgsize_t pgSize, int32_t npage);
+int pgCacheCreate(SPgCache **ppPgCache, pgsz_t pgSize, int32_t npage);
 int pgCacheDestroy(SPgCache *pPgCache);
 int pgCacheOpen(SPgCache **ppPgCache);
 int pgCacheClose(SPgCache *pPgCache);
@@ -46,9 +46,9 @@ struct SPage {
 
 typedef TD_DLIST(SPage) SPgList;
 struct SPgCache {
-  TENV *   pEnv; // TENV containing this page cache
+  TENV *   pEnv;  // TENV containing this page cache
   SRWLatch mutex;
-  pgsize_t pgsize;
+  pgsz_t   pgsize;
   int32_t  npage;
   SPage *  pages;
   SPgList  freeList;
diff --git a/source/libs/tdb/src/inc/pgfile.h b/source/libs/tdb/src/inc/pgfile.h
index f248f3c953696ef3b53e90dfa67eab83301a2038..f2dba417f6a043a998849522eb9add4844370afd 100644
--- a/source/libs/tdb/src/inc/pgfile.h
+++ b/source/libs/tdb/src/inc/pgfile.h
@@ -24,7 +24,7 @@ struct SPgFile {
   char *    fname;                    // backend file name
   uint8_t   fileid[TDB_FILE_ID_LEN];  // file id
   SPgCache *pPgCache;                 // page cache underline
-  pgsize_t  pgSize;
+  pgsz_t    pgSize;
   int       fd;
   pgno_t    pgFileSize;
 };
diff --git a/source/libs/tdb/src/inc/tdbInt.h b/source/libs/tdb/src/inc/tdbInt.h
index 879a4f4f669ea17254e892e895ccc4f37f9f4df4..5b95e162032508e53d79c1359e016492ae762d1c 100644
--- a/source/libs/tdb/src/inc/tdbInt.h
+++ b/source/libs/tdb/src/inc/tdbInt.h
@@ -64,9 +64,9 @@ static FORCE_INLINE int tdbCmprPgId(const void *p1, const void *p2) {
 // framd_id_t
 typedef int32_t frame_id_t;
 
-// pgsize_t
+// pgsz_t
 #define TDB_MIN_PGSIZE 512
-#define TDB_MAX_PGSIZE 16384
+#define TDB_MAX_PGSIZE 65536
 #define TDB_DEFAULT_PGSIZE 4096
 #define TDB_IS_PGSIZE_VLD(s) (((s) >= TDB_MIN_PGSIZE) && ((s) <= TDB_MAX_PGSIZE))
 
diff --git a/source/libs/tdb/src/inc/tdb_mpool.h b/source/libs/tdb/src/inc/tdb_mpool.h
index 55754484c07cd8d29de6ee45c8ea608c0d68a39a..ba5d5f132ed3438b04e083acda279b0822ea2019 100644
--- a/source/libs/tdb/src/inc/tdb_mpool.h
+++ b/source/libs/tdb/src/inc/tdb_mpool.h
@@ -46,7 +46,7 @@ typedef struct {
 } mpf_bucket_t;
 struct TDB_MPOOL {
   int64_t    cachesize;
-  pgsize_t   pgsize;
+  pgsz_t     pgsize;
   int32_t    npages;
   pg_t *     pages;
   pg_list_t  freeList;
@@ -74,7 +74,7 @@ struct TDB_MPFILE {
 
 /*=================================================== Exposed apis ==================================================*/
 // TDB_MPOOL
-int tdbMPoolOpen(TDB_MPOOL **mpp, uint64_t cachesize, pgsize_t pgsize);
+int tdbMPoolOpen(TDB_MPOOL **mpp, uint64_t cachesize, pgsz_t pgsize);
 int tdbMPoolClose(TDB_MPOOL *mp);
 int tdbMPoolSync(TDB_MPOOL *mp);