Error -25588

Dear All, My application on peak hours occassionaly encountered the above error. As a result, the main menu could not execute the selected program. Is this problem cause by : - insufficient shared memory - network bandwidth - kernel configuration Or is there any specific problem that cause the error. Database: IDS 2000 Version 9.21.UC1 OS : Sun Solaris Average Telnet Session: 25-30 Physical Memory : 512MB CPU : 1 Onconfig: See below #************************************************************************** # # INFORMIX SOFTWARE, INC. # # Title: onconfig.std # Description: Informix Dynamic Server 2000 Configuration Parameters # #************************************************************************** # Root Dbspace Configuration ROOTNAME rootdbs # Root dbspace nameROOTPATH /usr/informix/data/rootchunk # Path for device containing root dbspace ROOTOFFSET 0 # Offset of rootdbspace into device (Kbytes) ROOTSIZE 500000 # Size of root dbspace (Kbytes) # Disk Mirroring Configuration Parameters MIRROR 1 # Mirroring flag (Yes = 1, No = 0) MIRRORPATH # Path for devicecontaining mirrored root MIRROROFFSET 0 # Offset into mirrored device (Kbytes) # Physical Log Configuration PHYSDBS rootdbs # Location (dbspace) of physical log PHYSFILE 5000 # Physical log file size (Kbytes) # Logical Log Configuration LOGFILES 100 # Number of logicallog files LOGSIZE 4000 # Logical log size (Kbytes) # Diagnostics MSGPATH /usr/informix/informixdev/online.log # System message log file path CONSOLE /dev/console # System consolemessage path ALARMPROGRAM /usr/informix/informixdev/etc/log_full.sh # Alarmprogram path TBLSPACE_STATS 1 # Maintain tblspacestatistics # System Archive Tape Device TAPEDEV /dev/rmt/0 # Tape device path TAPEBLK 64 # Tape block size (Kbytes) TAPESIZE 2000000 # Maximum amount ofdata to put on tape (Kbytes) # Log Archive Tape Device LTAPEDEV /dev/null # Log tape device path LTAPEBLK 16 # Log tape block size (Kbytes) LTAPESIZE 10240 # Max amount of datato put on log tape (Kbytes) # Optical STAGEBLOB # Informix Dynamic Server 2000 staging area # System Configuration SERVERNUM 1 # Unique idcorresponding to a OnLine instance DBSERVERNAME ol_sabahport # Name of defaultdatabase server DBSERVERALIASES # List of alternatedbservernames DEADLOCK_TIMEOUT 60 # Max time to wait oflock in distributed env. RESIDENT 0 # Forced residency flag (Yes = 1, No = 0) MULTIPROCESSOR 0 # 0 forsingle-processor, 1 for multi-processor NUMCPUVPS 1 # Number of user (cpu)vps SINGLE_CPU_VP 1 # If non-zero, limitnumber of cpu vps to one NOAGE 0 # Process aging AFF_SPROC 0 # Affinity startprocessor AFF_NPROCS 0 # Affinity number ofprocessors # Shared Memory Parameters LOCKS 10000 # Maximum number oflocks BUFFERS 10000 # Maximum number ofshared buffers NUMAIOVPS 1 # Number of IO vps PHYSBUFF 64 # Physical log buffer size (Kbytes) LOGBUFF 64 # Logical log buffer size (Kbytes) LOGSMAX 100 # Maximum number oflogical log files CLEANERS 1 # Number of buffercleaner processes SHMBASE 0xa000000 # Shared memory baseaddress SHMVIRTSIZE 16000 # initial virtualshared memory segment size SHMADD 8192 # Size of new sharedmemory segments (Kbytes) SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited CKPTINTVL 300 # Check point interval (in sec) LRUS 8 # Number of LRU queues LRU_MAX_DIRTY 40 # LRU percent dirtybegin cleaning limit LRU_MIN_DIRTY 30 # LRU percent dirtyend cleaning limit LTXHWM 30 # Long transactionhigh water mark percentage LTXEHWM 40 # Long transactionhigh water mark (exclusive) TXTIMEOUT 0x12c # Transaction timeout (in sec) STACKSIZE 32 # Stack size (Kbytes) # System Page Size # BUFFSIZE - OnLine no longer supports this configuration parameter. # To determine the page size used by OnLine on your platform # see the last line of output from the command, 'onstat -b'. # Recovery Variables # OFF_RECVRY_THREADS: # Number of parallel worker threads during fast recovery or an offline restore. # ON_RECVRY_THREADS: # Number of parallel worker threads during an online restore. OFF_RECVRY_THREADS 10 # Default number ofoffline worker threads ON_RECVRY_THREADS 1 # Default number ofonline worker threads # Data Replication Variables DRINTERVAL 30 # DR max time betweenDR buffer flushes (in sec) DRTIMEOUT 30 # DR network timeout (in sec) DRLOSTFOUND /usr/informix/informixdev/etc/dr.lostfound # DR lost+found filepath # CDR Variables CDR_EVALTHREADS 1,2 # evaluator threads (per-cpu-vp,additional) CDR_DSLOCKWAIT 5 # DS lockwait timeout (seconds) CDR_QUEUEMEM 4096 # Maximum amount ofmemory for any CDR queue (Kbytes) CDR_LOGDELTA 30 # % of log space allowed in queue memory CDR_NUMCONNECT 16 # Expected connections per server CDR_NIFRETRY 300 # Connection retry (seconds) CDR_NIFCOMPRESS 0 # Link level compression (-1 never, 0 none, 9 max) # Backup/Restore variables BAR_ACT_LOG /tmp/bar_act.log BAR_MAX_BACKUP 0 BAR_RETRY 1 BAR_NB_XPORT_COUNT 10 BAR_XFER_BUF_SIZE 31 RESTARTABLE_RESTORE off BAR_PROGRESS_FREQ 0 # Informix Storage Manager variables ISM_DATA_POOL ISMData ISM_LOG_POOL ISMLogs # Read Ahead Variables RA_PAGES # Number of pages toattempt to read ahead RA_THRESHOLD # Number of pages leftbefore next group # DBSPACETEMP: # OnLine equivalent of DBTEMP for SE. This is the list of dbspaces # that the OnLine SQL Engine will use to create temp tables etc. # If specified it must be a colon separated list of dbspaces that exist # when the OnLine system is brought online. If no