Timesten Table Locking - ttxactadmin

Question

Hi,
Point number 1.
Trace file output
15:42:41.961   10667 SQL      2L   13C   7866P Preparing: {CALL ttOptSetFlag('RowLock', 0)}
15:42:41.961   10668 SQL      3L   13C   7866P Executing: {CALL ttOptSetFlag('RowLock', 0)}
15:42:41.961   10669 SQL      2L   13C   7866P Preparing: {CALL ttOptSetFlag('TblLock', 1)}
15:42:41.961   10670 SQL      3L   13C   7866P Executing: {CALL ttOptSetFlag('TblLock', 1)}
15:44:11.013  246101 SQL      3L    1C  23864P Opening: SELECT SMST_SHORT_SELL_FLG, NVL(SM.SMST_INTRADAY_ALLWED_FLG, 'N'), NVL(SM.SMST_MAR_ALLOWD_FLG, 'N'), NVL(SM.SMST_T2_ALLOW_FLG, 'N'), NVL(SM.SMST_COVER_ALLOW_FLG, 'N'), DECODE(:B3 , :B2 , NVL(SM.SMST_RCBM_BASKET_ID, 'NO_BKT'), NVL(SMST_EBM_BASKET_ID, 'NO_BKT')), SM.SMST_ISIN_CODE, SM.SMST_OPEN_POSITION, SM.SMST_EXPOSURE_LIMIT FROM SECURITY_MASTER SM WHERE SMST_SECURITY_ID = :B1
15:44:11.013  246102 SQL      3L   10C   8041P Executing: update ttrep.reppeers set sendlsnhigh = :h, sendlsnlow = :l, reptableslsnhigh = :rh, reptableslsnlow = :rl, commit_timestamp = :ct, commit_seqnum = :cs, timesend = :t where replication_name = :rname and replication_owner = :rowner and tt_store_id   = :mid and subscriber_id = :sid
15:44:11.013  246103 SQL      3L    1C  23864P execEnvGet: Allocated new env 8412790936 due to size reqd, nr=52, sdsz=34343
15:44:11.013  246104 SQL      3L    1C  23864P Opening: SELECT NVL(SUM(TONE_CURR_TRADE_QTY),0), NVL(SUM(TONE_BUY_ORD_QTY),0), NVL(SUM(TONE_SELL_ORD_QTY),0) FROM TRADE_ORD_NET_EXPOSURE WHERE TONE_ENTITY_ID = :B6 AND TONE_SECURITY_ID = :B5 AND TONE_EXCH_ID = :B4 AND TONE_ACC_TYPE = :B3 AND TONE_PRODUCT_ID = :B2 AND TONE_DATE = :B1
15:44:11.014  246105 SQL      3L   62C  23943P execEnvGet: Allocated new env 8413003648 due to size reqd, nr=47, sdsz=18633
15:44:11.014  246106 SQL      3L   62C  23943P Opening: select nvl(RQ.RQ_ORDER_NO,0) ,nvl(RQ.RQ_ORD_SERIAL_NO,0) ,trim(RQ.RQ_BUY_SELL_IND) ,trim(RQ.RQ_CLIENT_ID) ,to_number(trim(RQ.RQ_USER_ID)) ,trim(RQ.RQ_ENTITY_ID) ,trim(RQ.RQ_SECURITY_ID) ,trim(RQ.RQ_EXCH_ID) ,RQ.RQ_SEQ_NO ,nvl(RQ.RQ_D2C1_FLAG,'Y') ,nvl(RQ.RQ_FI_RETAIL_FLG,'L') ,nvl(RQ.RQ_OIB_INT_REF_ID,0) ,RQ.RQ_SOURCE_FLAG ,RQ_SESSION_TYPE ,RQ_PRODUCT_ID ,RQ_GROUP_ID ,RQ_HANDL_INST ,RQ_SETTLEMENT_TYPE ,RQ_CLIENT_SUB_TYPE ,RQ_ALGO_OI_NUM into :b1,:b2,:b3,:b4,:b5,:b6,:b7,:b8,:b9,:b10,:b11,:b12,:b13,:b14,:b15,:b16,:b17,:b18,:b19,:b20  from REQUEST_QUEUE RQ where (((RQ.RQ_EXCH_ORDER_NO=:b21 and RQ
15:44:11.014  246107 SQL      3L    1C  23864P Opening: SELECT RELD_LMT_FLG FROM RMS_ENTITY_LIMIT_DTLS WHERE RELD_EM_ENTITY_ID = :B2 AND RELD_SEGMENT_TYPE = 'C' AND RELD_EXM_EXCH_ID = 'ALL' AND RELD_ACC_TYPE = :B1
15:44:11.014  246108 SQL      3L    1C  23864P Opening: SELECT SEM_VAR_PERCENTAGE, SEM_EXCH_SPCL_MAR_PCT FROM SECURITY_EXCH_MAP S WHERE SEM_SMST_SECURITY_ID = :B2 AND SEM_EXM_EXCH_ID = :B1 AND SEM_STATUS = 'A' AND SEM_DERIVATIVE_FLG = 'N'
15:44:11.014  246109 SQL      3L   62C  23943P Opening: select OS_SEQ_NO into :b1  from ORDER_SEQ where OS_ORDER_NO=:b2
15:44:11.014  246110 SQL      3L    1C  23864P execEnvGet: Allocated new env 8412793368 due to size reqd, nr=108, sdsz=2400
15:44:11.014  246111 SQL      3L    1C  23864P Opening: SELECT SUM(NVL(TONE_TOT_NET_EXP, 0)), SUM(NVL(TONE_CURR_NET_EXP, 0)), SUM(NVL(TONE_BUY_ORD_QTY, 0)), SUM(NVL(TONE_SELL_ORD_QTY, 0)), SUM(NVL(TONE_CURR_TRADE_QTY, 0)), MAX(TONE_MARGIN_PCT), SUM(TONE_BUY_ORD_VAL), SUM(TONE_SELL_ORD_VAL), SUM(T.TONE_AVG_TRANS_PRICE), SUM(TONE_AVG_CUM_BUY_AMT), SUM(TONE_AVG_CUM_SELL_AMT), SUM(TONE_BUY_EXPOSURE), SUM(TONE_SELL_EXPOSURE), SUM(TONE_CURR_TRADE_VAL), SUM(TONE_BOOKED_PROFIT) FROM TRADE_ORD_NET_EXPOSURE T WHERE TONE_ENTITY_ID = :B7 AND TONE_EXCH_ID = :B6 AND TONE_SECURITY_ID = :B5 AND TONE_TCURR = :B4 AND TONE_ACC_TYPE = :B3 AND TONE_PRODUCT_ID = :B2 AND
15:44:11.014  246112 SQL      3L   62C  23943P execEnvGet: Allocated new env 8411217112 due to size reqd, nr=121, sdsz=5916
15:44:11.014  246113 SQL      3L   62C  23943P Opening: select ORD_ORDER_NO ,ORD_SERIAL_NO ,LTRIM(RTRIM(ORD_SEM_SMST_SECURITY_ID)) ,ORD_BTM_EMM_MKT_TYPE ,ORD_EXCH_ID ,LTRIM(RTRIM(ORD_EPM_EM_ENTITY_ID)) ,nvl(ORD_EXCH_ORDER_NO,0) ,nvl(ORD_CLIENT_ID,'0') ,ORD_BUY_SELL_IND ,to_char(ORD_ENTRY_DATE,'DD-MM-YYYY HH24:MI:SS') ,to_char(ORD_ORDER_TIME,'DD-MM-YYYY HH24:MI:SS') ,to_char(ORD_ORIGINAL_TIME,'DD-MM-YYYY HH24:MI:SS') ,ORD_QTY_ORIGINAL ,ORD_ORDER_PRICE ,nvl(ORD_TRIGGER_PRICE,0) ,ORD_DISC_QTY_FLG ,to_char(ORD_GTC_FLG) ,to_char(ORD_DAY_FLG) ,to_char(ORD_IOC_FLG) ,to_char(ORD_MIN_FILL_FLG) ,to_char(nvl(ORD_MKT_FLG,0)) ,to_char(ORD_STOP_LOSS_FLG) ,to_cha
15:44:11.014  246114 SQL      3L    1C  23864P Executing: UPDATE TRADE_ORD_NET_EXPOSURE SET TONE_BUY_ORD_QTY = TONE_BUY_ORD_QTY + :B17 , TONE_BUY_ORD_VAL = TONE_BUY_ORD_VAL + :B16 , TONE_SELL_ORD_QTY = TONE_SELL_ORD_QTY + :B15 , TONE_SELL_ORD_VAL = TONE_SELL_ORD_VAL + :B14 , TONE_CURR_NET_EXP = TONE_CURR_NET_EXP + :B13 , TONE_TOT_NET_EXP = TONE_TOT_NET_EXP + :B12 , TONE_TOT_BROKERAGE = TONE_TOT_BROKERAGE + :B11 , TONE_BUY_EXPOSURE = TONE_BUY_EXPOSURE + :B10 , TONE_SELL_EXPOSURE = TONE_SELL_EXPOSURE + :B9 WHERE TONE_ENTITY_ID = :B8 AND TONE_EXCH_ID = :B7 AND TONE_SECURITY_ID = :B6 AND TONE_TCURR = :B5 AND TONE_PRODUCT_ID = :B4 AND TONE_ACC_TYPE = :B3
15:44:11.014  246115 SQL      3L    1C  23864P execEnvGet: Allocated new env 8412792952 due to size reqd, nr=62, sdsz=1994
15:44:11.014  246116 SQL      3L   10C   8041P Executing: update ttrep.reppeers set sendlsnhigh = :h, sendlsnlow = :l, reptableslsnhigh = :rh, reptableslsnlow = :rl, commit_timestamp = :ct, commit_seqnum = :cs, timesend = :t where replication_name = :rname and replication_owner = :rowner and tt_store_id   = :mid and subscriber_id = :sid
15:44:11.014  246117 SQL      3L    1C  23864P Executing: UPDATE RMS_ENTITY_LIMIT_DTLS R SET RELD_RTO_EXP = NVL(RELD_RTO_EXP, 0) + :B12 , RELD_NE_EXP = NVL(RELD_NE_EXP, 0) + :B11 , RELD_MAR_UTILIZATION = NVL(RELD_MAR_UTILIZATION, 0) + :B5 , RELD_BROKERAGE_AMT = NVL(RELD_BROKERAGE_AMT, 0) + :B10 , RELD_BUY_EXP = R.RELD_BUY_EXP + :B9 , RELD_SELL_EXP = R.RELD_SELL_EXP + :B8 , RELD_EMARGIN_UTILIZATION = RELD_EMARGIN_UTILIZATION + DECODE(:B7 , :B6 , :B5 , 0) WHERE RELD_EM_ENTITY_ID = :B4 AND R.RELD_EXM_EXCH_ID = :B3 AND R.RELD_SEGMENT_TYPE = 'E' AND R.RELD_ACC_TYPE = :B2 AND R.RELD_PROCESS_ID = :B1
15:44:11.014  246118 SQL      3L    1C  23864P execEnvGet: Allocated new env 8412793496 due to size reqd, nr=54, sdsz=2524This content is displayed in my trace file
and o/p of ttxactadmin is
Program File Name: EquNseParent1
30486   0x139202b0           54.7002   Active      Database  0x01312d0001312d00   IX    0
                                                   Command   8416780720           S     8416780720
                                                   Row       BMUFVUAAAC2BwAALDe   Xn    8416776768           DAIWAPRODV7.RMS_ENTITY_LIMIT_DTLS
                                                   Row       BMUFVUAAABGEAAABgz   Xn    8416766544           DAIWAPRODV7.RMS_ENTITY_LIMIT_DTLS
                                                   Table     12144968             IXn   8416766544           DAIWAPRODV7.RMS_ENTITY_LIMIT_DTLS
                                                   Row       BMUFVUAAABPEAAAFhL   Xn    8416493904           DAIWAPRODV7.TRADE_ORD_NET_EXPOSURE
                                                   Table     719136               IXn   8416493904           DAIWAPRODV7.TRADE_ORD_NET_EXPOSURE
                                                   Row       BMUFVUAAACoFAAAIBt   Xn    8413989000           DAIWAPRODV7.RMS_SOD_EOD_LOG
                                                   Table     721136               IXn   8413989000           DAIWAPRODV7.RMS_SOD_EOD_LOG
                                                   Command   8419805088           S     8419805088
                                                   Command   8419800256           S     8419800256
                                                   Command   8419759480           S     8419759480
                                                   Command   8412801112           S     8412801112
                           13 locks found for transaction 54.7002As per my understanding of this " Table 12144968 IXn 8416766544" lock is that there is a table lock.
So we tried setting as per http://docs.oracle.com/cd/E11882_01/timesten.112/e21643/proced.htm#TTREF271
CALL ttOptSetFlag('RowLock', 1)
CALL ttOptSetFlag('TblLock', 0)
but result is still the same.
22878 0x9555770 151.643 Active Database 0x01312d0001312d00 IX 0
Row BMUFVUAAAAOJQAAJD2 Xn 6306707440 VSEVEN.RMS_ENTITY_LIMIT_DTLS
Table 12827064 IXn 6306707440 VSEVEN.RMS_ENTITY_LIMIT_DTLS
Row BMUFVUAAABbKwAAIDO Xn 6306693872 VSEVEN.TRADE_ORD_NET_EXPOSURE
Table 719232 IXn 6306693872 VSEVEN.TRADE_ORD_NET_EXPOSURE
Row BMUFVUAAABqBgAAGj1 Xn 6306573400 VSEVEN.RMS_SOD_EOD_LOG
Table 12826952 IXn 6306573400 VSEVEN.RMS_SOD_EOD_LOG
We are facing locking issues degrading our performance. What does ttoptesetflag('TblLock', 1) and ttoptesetflag('TblLock', 0) implies and why is it showing table level locks
Point number 2.
Also we run the procedure from backend it takes 1 ms for complete process, where as same when called from proc is taking more than 160 ms
Point number 3.
Also as seen in trace file there is frequent statement
"23864P execEnvGet: Allocated new env 8412790936 due to size reqd, nr=52, sdsz=34343"
what does it imply..?
Regards,
Yogita

Answer 1

Hi Chris,
Sorry for the delay.. The Pro*C code snippet is :
logTimestamp("BEFORE PK_RMS_INTEGRATED_MAIN.PR_RMS_ORDER_MAIN");
        logDebug3("TESTIN db_conn value: %s", db_conn.arr);
        EXEC SQL AT :db_conn EXECUTE
                BEGIN
                        PK_RMS_INTEGRATED_MAIN.PR_RMS_ORDER_MAIN (
                        rtrim(ltrim(:TempEntityId)),
                        rtrim(ltrim(:TempClientFamilyId)),
                        rtrim(ltrim(:TempEntityType)),
                        :TempClientAccType,
                        :TempSettType,
                        rtrim(ltrim(:TempAccCode)),
                        rtrim(ltrim(:TempClientProdPriv)),
                        rtrim(ltrim(:TempClientId)),
                        rtrim(ltrim(:TempClientProfileId)),
                        :TempClientStatus,
                        rtrim(ltrim(:D2C1ControllerId)),
                        rtrim(ltrim(:TempDealerProfileId)),
                        :TempDealerStatus,
                        rtrim(ltrim(:TempBranchId)),
                        rtrim(ltrim(:TempBranchProfileId)),
                        :TempBranchStatus,
           rtrim(ltrim(:TempBranchId)),
                        rtrim(ltrim(:TempBranchProfileId)),
                        :TempBranchStatus,
                        rtrim(ltrim(:TempBrokerId)),
                        rtrim(ltrim(:TempBrokerProfileId)),
                        :TempBrokerStatus,
                        :RMS_Deact_Entity,
                        :RMS_Status,
                        :RMS_Reason_Id,
                        :TempOrderNo,
                        :TempSerialNo,
                        rtrim(ltrim(:TempExchId)),
                        :TempQtyRemaining,
                        :TempPrice,
                        :TempPrice_Mrg,
                        :old_ord_qty_remaining,
                        :old_price,
                        :Transcode,
                        rtrim(ltrim(:TempBuyOrSell)),
                        rtrim(ltrim(:TempSecurityId)),
                        :SeriesInd,
                        rtrim(ltrim(:TempMktType)),
                        :off_on_order,
                        'F001',
                        rtrim(ltrim(:TempUserId)),
                        :TempProductId,
                        :TempSourceFlag,
                        :BasketOrderNumber,
                        :TempSeqNo,
                        :TempSeqNo_Mrg,
                        :msg_count,
                        :TempUserIdString,
                        :TempUsrMesgString,
                        :RetCode,
                        :RetString
                END;
        END-EXEC;
logTimestamp("AFTER PK_RMS_INTEGRATED_MAIN.PR_RMS_ORDER_MAIN");
      if(sqlca.sqlcode !=0)
                printf("\n 1. Error in execution RMS_MAIN   : %d",sqlca.sqlcode );
                printf("\n ERROR :%s\n",sqlca.sqlerrm.sqlerrmc) ;
                /**Added for user friendly_RMS Message for version 3.3***/
                printf("\n Error is %s : %d",errstr,sqlca.sqlcode);
                /**Added for user friendly_RMS Message for version 3.3***/
                sprintf(p_req_out->ind_str[0],RMS_ERROR);
                EXEC SQL ROLLBACK;               /* ganesh */
                p_req_out->user_id[0]=p_req->IntReqHeader.UserIdOrLogPktId ;
                p_req_out->tot_num_user=1;
                logDebug3("User Id:%d,Tot Num Of User:%d",p_req_out->user_id[0],p_req_out->tot_num_user) ;
                return (FALSE);
        }logTimestamp function is defined as
void
logTimestamp (const char *fmt, ...)
        va_list ap;
        va_start(ap, fmt);
    CHAR buffer[LOG_TIMESTAMP_LENGTH];
        CHAR chktime[DATE_LEN];
    static CHAR message[LOG_BUFFER_LENGTH];
        struct timeval tv;
        time_t curtime;
        gettimeofday(&tv, NULL);
        curtime=tv.tv_sec;
       strftime(chktime, DATE_LEN, "%d:%m:%Y", localtime(&curtime));
        if ( strcmp(chktime,logTime))
                logLevelSet = 0;
        strftime(buffer, LOG_TIMESTAMP_LENGTH, "%d:%m:%Y %T", localtime(&curtime));
        vsprintf(message, fmt, ap);
    fprintf(stdout, "%s.%06ld: %s\n", buffer, tv.tv_usec, message);
        va_end(ap);
    return;
}Can you point us towards some documentation towards the impact of using memorylock=4 for linux ?
Regards,
Karan