Followup to 1st question

[cpuguru11]

Below are my current parameters:

Server is HP L1000
2 * 440MhZ Processors
6 Gigs of Ram
PLENTY of HD space





Informix Dynamic Server Version 7.31.UD4 -- On-Line -- Up 15:21:09 -- 508904 Kbytes

Profile
dskreads pagreads bufreads %cached dskwrits pagwrits bufwrits %cached
686323 2489946 39727152 98.27 765007 1076066 15352216 95.02

isamtot open start read write rewrite delete commit rollbk
36695139 150769 715284 8837214 13075346 43872 868 46978 2

gp_read gp_write gp_rewrt gp_del gp_alloc gp_free gp_curs
0 0 0 0 0 0 0

ovlock ovuserthread ovbuff usercpu syscpu numckpts flushes
0 0 0 1318.23 356.11 93 362

bufwaits lokwaits lockreqs deadlks dltouts ckpwaits compress seqscans
36043 0 11358615 0 0 21 317 24809

ixda-RA idx-RA da-RA RA-pgsused lchwaits
86982 355 32547 119876 8498

----------------------------------------------------------
#**************************************************************************
#
# INFORMIX SOFTWARE, INC.
#
# Title: onconfig.std
# Description: Informix Dynamic Server Configuration Parameters
#
#**************************************************************************

# Root Dbspace Configuration

ROOTNAME rootdbs # Root dbspace name
ROOTPATH /informixwg/online_root/rootdbs1
# Path for device containing root dbspace

ROOTOFFSET 500 # Offset of root dbspace into device (Kbytes)
ROOTSIZE 1000000 # Size of root dbspace (Kbytes)

# Disk Mirroring Configuration Parameters

MIRROR 0 # Mirroring flag (Yes = 1, No = 0)
MIRRORPATH # Path for device containing mirrored root
MIRROROFFSET 0 # Offset into mirrored device (Kbytes)

# Physical Log Configuration

PHYSDBS rootdbs # Location (dbspace) of physical log
PHYSFILE 110000 # Physical log file size (Kbytes)

# Logical Log Configuration

LOGFILES 48 # Number of logical log files
LOGSIZE 16384 # Logical log size (Kbytes)

# Diagnostics

MSGPATH /informixwg/logs/family.log # System message log file path
CONSOLE /informixwg/logs/family.log # System console message path
ALARMPROGRAM /dev/null # Alarm program path
SYSALARMPROGRAM /dev/null # System Alarm program path
TBLSPACE_STATS 1

# System Archive Tape Device

TAPEDEV /dev/null # Tape device path
TAPEBLK 16 # Tape block size (Kbytes)
TAPESIZE 10240000 # Maximum amount of data 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 data to put on log tape (Kbytes)

# Optical

STAGEBLOB # Informix Dynamic Server/Optical staging area

# System Configuration

SERVERNUM 1 # Unique id corresponding to a Dynamic Server instance
DBSERVERNAME pei # Name of default database server
DBSERVERALIASES pei # List of alternate dbservernames
#NETTYPE ipcshm,2,100,CPU # Configure poll thread(s) for nettype
NETTYPE soctcp,1,200,NET # Configure poll thread(s) for nettype
DEADLOCK_TIMEOUT 300 # Max time to wait of lock in distributed env.
RESIDENT 0 # Forced residency flag (Yes = 1, No = 0)

MULTIPROCESSOR 1 # 0 for single-processor, 1 for multi-processor
NUMCPUVPS 1 # Number of user (cpu) vps
SINGLE_CPU_VP 0 # If non-zero, limit number of cpu vps to one

NOAGE 1 # Process aging
AFF_SPROC 0 # Affinity start processor
AFF_NPROCS 0 # Affinity number of processors

# Shared Memory Parameters

LOCKS 256000 # Maximum number of locks
BUFFERS 200000 # Maximum number of shared buffers
NUMAIOVPS 8 # Number of IO vps
PHYSBUFF 128 # Physical log buffer size (Kbytes)
LOGBUFF 128 # Logical log buffer size (Kbytes)
LOGSMAX 64 # Maximum number of logical log files
CLEANERS 9 # Number of buffer cleaner processes
SHMBASE 0x0 # Shared memory base address
SHMVIRTSIZE 65536 # initial virtual shared memory segment size
SHMADD 32768 # Size of new shared memory segments (Kbytes)
SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited
CKPTINTVL 300 # Check point interval (in sec)
LRUS 9 # Number of LRU queues
LRU_MAX_DIRTY 4 # LRU percent dirty begin cleaning limit
LRU_MIN_DIRTY 2 # LRU percent dirty end cleaning limit
LTXHWM 40 # Long transaction high water mark percentage
LTXEHWM 45 # Long transaction high water mark (exclusive)
TXTIMEOUT 0x12c # Transaction timeout (in sec)
STACKSIZE 128 # Stack size (Kbytes)

# System Page Size
# BUFFSIZE - Dynamic Server no longer supports this configuration parameter.
# To determine the page size used by Dynamic Server 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 of offline worker threads
ON_RECVRY_THREADS 1 # Default number of online worker threads

# Data Replication Variables
# DRAUTO: 0 manual, 1 retain type, 2 reverse type
DRAUTO 0 # DR automatic switchover
DRINTERVAL 30 # DR max time between DR buffer flushes (in sec)
DRTIMEOUT 30 # DR network timeout (in sec)
DRLOSTFOUND /informixwg/etc/dr.lostfound # DR lost+found file path

# CDR Variables
CDR_LOGBUFFERS 2048 # size of log reading buffer pool (Kbytes)
CDR_EVALTHREADS 1,2 # evaluator threads (per-cpu-vp,additional)
CDR_DSLOCKWAIT 5 # DS lockwait timeout (seconds)
CDR_QUEUEMEM 4096 # Maximum amount of memory 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

# Informix Storage Manager variables
ISM_DATA_POOL ISMData # If the data pool name is changed, be sure to
# update $INFORMIXDIR/bin/onbar. Change to
# ism_catalog -create_bootstrap -pool <new name>
ISM_LOG_POOL ISMLogs

# Read Ahead Variables
RA_PAGES 10 # Number of pages to attempt to read ahead
RA_THRESHOLD 3 # Number of pages left before next group

# DBSPACETEMP:
# Dynamic Server equivalent of DBTEMP for SE. This is the list of dbspaces
# that the Dynamic Server SQL Engine will use to create temp tables etc.
# If specified it must be a colon separated list of dbspaces that exist
# when the Dynamic Server system is brought online. If not specified, or if
# all dbspaces specified are invalid, various ad hoc queries will create
# temporary files in /tmp instead.

DBSPACETEMP temp_db

# DUMP*:
# The following parameters control the type of diagnostics information which
# is preserved when an unanticipated error condition (assertion failure) occurs
# during Dynamic Server operations.
# For DUMPSHMEM, DUMPGCORE and DUMPCORE 1 means Yes, 0 means No.

DUMPDIR /tmp # Preserve diagnostics in this directory
DUMPSHMEM 1 # Dump a copy of shared memory
DUMPGCORE 0 # Dump a core image using 'gcore'
DUMPCORE 0 # Dump a core image (Warning:this aborts Dynamic Server)
DUMPCNT 1 # Number of shared memory or gcore dumps for
# a single user's session

FILLFACTOR 80 # Fill factor for building indexes

# method for Dynamic Server to use when determining current time
USEOSTIME 0 # 0: use internal time(fast), 1: get time from OS(slow)

# Parallel Database Queries (pdq)
MAX_PDQPRIORITY 100 # Maximum allowed pdqpriority
DS_MAX_QUERIES # Maximum number of decision support queries
DS_TOTAL_MEMORY # Decision support memory (Kbytes)
DS_MAX_SCANS 1048576 # Maximum number of decision support scans
DATASKIP off # List of dbspaces to skip

# OPTCOMPIND
# 0 => Nested loop joins will be preferred (where
# possible) over sortmerge joins and hash joins.
# 1 => If the transaction isolation mode is not
# &quot;repeatable read&quot;, optimizer behaves as in (2)
# below. Otherwise it behaves as in (0) above.
# 2 => Use costs regardless of the transaction isolation
# mode. Nested loop joins are not necessarily
# preferred. Optimizer bases its decision purely
# on costs.
OPTCOMPIND 0 # To hint the optimizer

ONDBSPACEDOWN 1 # Dbspace down option: 0 = CONTINUE, 1 = ABORT, 2 = WAIT
LBU_PRESERVE 1 # Preserve last log for log backup
OPCACHEMAX 0 # Maximum optical cache size (Kbytes)

# HETERO_COMMIT (Gateway participation in distributed transactions)
# 1 => Heterogeneous Commit is enabled
# 0 (or any other value) => Heterogeneous Commit is disabled
HETERO_COMMIT 0

# Optimization goal: -1 = ALL_ROWS(Default), 0 = FIRST_ROWS
OPT_GOAL -1

# Optimizer DIRECTIVES ON (1/Default) or OFF (0)
DIRECTIVES 1

# Status of restartable restore
RESTARTABLE_RESTORE off


---------------------------------------------------------

 

[FCVV]

Hi,
Please see comments:

# Root Dbspace Configuration

ROOTNAME rootdbs # Root dbspace name
ROOTPATH /informixwg/online_root/rootdbs1
# Path for device containing root dbspace

ROOTOFFSET 500 # Offset of root dbspace into device (Kbytes)
ROOTSIZE 1000000 # Size of root dbspace (Kbytes)

# Disk Mirroring Configuration Parameters

MIRROR 0 # Mirroring flag (Yes = 1, No = 0)

MIRRORPATH # Path for device containing mirrored root
MIRROROFFSET 0 # Offset into mirrored device (Kbytes)

# Physical Log Configuration

PHYSDBS rootdbs # Location (dbspace) of physical log
PHYSFILE 110000 # Physical log file size (Kbytes)

# Logical Log Configuration

LOGFILES 48 # Number of logical log files
LOGSIZE 16384 # Logical log size (Kbytes)

# Diagnostics

MSGPATH /informixwg/logs/family.log # System message log file path
CONSOLE /informixwg/logs/family.log # System console message path
ALARMPROGRAM /dev/null # Alarm program path
SYSALARMPROGRAM /dev/null # System Alarm program path
TBLSPACE_STATS 1

# System Archive Tape Device

TAPEDEV /dev/null # Tape device path
TAPEBLK 16 # Tape block size (Kbytes)
TAPESIZE 10240000 # Maximum amount of data 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 data to put on log tape (Kbytes)

# Optical

STAGEBLOB # Informix Dynamic Server/Optical staging area

# System Configuration

SERVERNUM 1 # Unique id corresponding to a Dynamic Server instance
DBSERVERNAME pei # Name of default database server
DBSERVERALIASES pei # List of alternate dbservernames
#NETTYPE ipcshm,2,100,CPU # Configure poll thread(s) for nettype
NETTYPE soctcp,1,200,NET # Configure poll thread(s) for nettype

Why ? Are all users connected thru TCP/IP (C/S mode) ?

DEADLOCK_TIMEOUT 300 # Max time to wait of lock in distributed env.
RESIDENT 0 # Forced residency flag (Yes = 1, No = 0)

MULTIPROCESSOR 1 # 0 for single-processor, 1 for multi-processor

ERROR: For a Two CPUs BOX (OLTP), never use Multiprocessor, too much OverHead.

NUMCPUVPS 1 # Number of user (cpu) vps
Error: Use 2 CPUs VP

SINGLE_CPU_VP 0 # If non-zero, limit number of cpu vps to one

NOAGE 1 # Process aging
AFF_SPROC 0 # Affinity start processor
AFF_NPROCS 0 # Affinity number of processors

# Shared Memory Parameters

LOCKS 256000 # Maximum number of locks
BUFFERS 200000 # Maximum number of shared buffers
NUMAIOVPS 8 # Number of IO vps

Warning: If you use RAW Devices (Better), AIO VP = 2
If You are already using RAW, check if Kernel IO is active.
onstat -i ioq

PHYSBUFF 128 # Physical log buffer size (Kbytes)
LOGBUFF 128 # Logical log buffer size (Kbytes)
LOGSMAX 64 # Maximum number of logical log files
CLEANERS 9 # Number of buffer cleaner processes

Warning : How many Disks do you Have ?

SHMBASE 0x0 # Shared memory base address
SHMVIRTSIZE 65536 # initial virtual shared memory segment size

Warning: Check number of Memory Segments:
onstat -i seg
Avoid dynamic mem allocation
SHMADD 32768 # Size of new shared memory segments (Kbytes)
SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited
CKPTINTVL 300 # Check point interval (in sec)

WARNING: Check Checkpoint Interval Duration
grep &quot;duration&quot; online.log

If Duration > 8
You will need to adjust Number of Page Cleaners, Check Point Interval , Max Dirty , Min Dirty

Also try: CKPTINTVL 900

Maximize LRU Writes (LRU PAge Cleaners - GOOD)
Minimize Chunk Writes (Check Point Writes - Blocking Transactions)
Avoid FG Writes (should be Zero).

How to Monitor: onstat -i F

LRUS 9 # Number of LRU queues
LRU_MAX_DIRTY 4 # LRU percent dirty begin cleaning limit
LRU_MIN_DIRTY 2 # LRU percent dirty end cleaning limit
LTXHWM 40 # Long transaction high water mark percentage
LTXEHWM 45 # Long transaction high water mark (exclusive)
TXTIMEOUT 0x12c # Transaction timeout (in sec)
STACKSIZE 128 # Stack size (Kbytes)

# System Page Size
# BUFFSIZE - Dynamic Server no longer supports this configuration parameter.
# To determine the page size used by Dynamic Server 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 of offline worker threads
ON_RECVRY_THREADS 1 # Default number of online worker threads

# Data Replication Variables
# DRAUTO: 0 manual, 1 retain type, 2 reverse type
DRAUTO 0 # DR automatic switchover
DRINTERVAL 30 # DR max time between DR buffer flushes (in sec)
DRTIMEOUT 30 # DR network timeout (in sec)
DRLOSTFOUND /informixwg/etc/dr.lostfound # DR lost+found file path

# CDR Variables
CDR_LOGBUFFERS 2048 # size of log reading buffer pool (Kbytes)
CDR_EVALTHREADS 1,2 # evaluator threads (per-cpu-vp,additional)
CDR_DSLOCKWAIT 5 # DS lockwait timeout (seconds)
CDR_QUEUEMEM 4096 # Maximum amount of memory 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

# Informix Storage Manager variables
ISM_DATA_POOL ISMData # If the data pool name is changed, be sure to
# update $INFORMIXDIR/bin/onbar. Change to
# ism_catalog -create_bootstrap -pool <new name>
ISM_LOG_POOL ISMLogs

# Read Ahead Variables
RA_PAGES 10 # Number of pages to attempt to read ahead
RA_THRESHOLD 3 # Number of pages left before next group

# DBSPACETEMP:
# Dynamic Server equivalent of DBTEMP for SE. This is the list of dbspaces
# that the Dynamic Server SQL Engine will use to create temp tables etc.
# If specified it must be a colon separated list of dbspaces that exist
# when the Dynamic Server system is brought online. If not specified, or if
# all dbspaces specified are invalid, various ad hoc queries will create
# temporary files in /tmp instead.

DBSPACETEMP temp_db

# DUMP*:
# The following parameters control the type of diagnostics information which
# is preserved when an unanticipated error condition (assertion failure) occurs
# during Dynamic Server operations.
# For DUMPSHMEM, DUMPGCORE and DUMPCORE 1 means Yes, 0 means No.

DUMPDIR /tmp # Preserve diagnostics in this directory
DUMPSHMEM 1 # Dump a copy of shared memory
DUMPGCORE 0 # Dump a core image using 'gcore'
DUMPCORE 0 # Dump a core image (Warning:this aborts Dynamic Server)
DUMPCNT 1 # Number of shared memory or gcore dumps for
# a single user's session

FILLFACTOR 80 # Fill factor for building indexes

# method for Dynamic Server to use when determining current time
USEOSTIME 0 # 0: use internal time(fast), 1: get time from OS(slow)

# Parallel Database Queries (pdq)
MAX_PDQPRIORITY 100 # Maximum allowed pdqpriority
DS_MAX_QUERIES # Maximum number of decision support queries
DS_TOTAL_MEMORY # Decision support memory (Kbytes)
DS_MAX_SCANS 1048576 # Maximum number of decision support scans
DATASKIP off # List of dbspaces to skip

# OPTCOMPIND
# 0 => Nested loop joins will be preferred (where
# possible) over sortmerge joins and hash joins.
# 1 => If the transaction isolation mode is not
# &quot;repeatable read&quot;, optimizer behaves as in (2)
# below. Otherwise it behaves as in (0) above.
# 2 => Use costs regardless of the transaction isolation
# mode. Nested loop joins are not necessarily
# preferred. Optimizer bases its decision purely
# on costs.
OPTCOMPIND 0 # To hint the optimizer

ONDBSPACEDOWN 1 # Dbspace down option: 0 = CONTINUE, 1 = ABORT, 2 = WAIT
LBU_PRESERVE 1 # Preserve last log for log backup
OPCACHEMAX 0 # Maximum optical cache size (Kbytes)

# HETERO_COMMIT (Gateway participation in distributed transactions)
# 1 => Heterogeneous Commit is enabled
# 0 (or any other value) => Heterogeneous Commit is disabled
HETERO_COMMIT 0

# Optimization goal: -1 = ALL_ROWS(Default), 0 = FIRST_ROWS
OPT_GOAL -1

# Optimizer DIRECTIVES ON (1/Default) or OFF (0)
DIRECTIVES 1

# Status of restartable restore
RESTARTABLE_RESTORE off


Best Regards,
Francisco Virgilio

 

[cpuguru11]

#Why ? Are all users connected thru TCP/IP (C/S mode) ?

This is the way they were already setup to connect... is there a better way?

#ERROR: For a Two CPUs BOX (OLTP), never use MULtiprocessor, too much OverHead.

So I should set it at 1 Processor?


#Warning: If you use RAW Devices (Better), AIO VP = 2
#If You are already using RAW, check if Kernel IO is #active.
#onstat -i ioq

We are currently using the Cooked file system, this is the way they were setup when I got here.


#Warning : How many Disks do you Have ?

We have 4 Mirrored Drives on this system (total of 8)


#Warning: Check number of Memory Segments:
#onstat -i seg
#Avoid dynamic mem allocation

OUt put of onstat -i seg is:
Segment Summary:
id key addr size ovhd class blkused blkfree
8609 1381451777 80000000 454000640 33840 R 55413 7
(shared) 1381451777 9b0f8000 67117056 1644 V 2045 6148
Total: - - 521117696 - - 57458 6155


#WARNING: Check Checkpoint Interval Duration
#grep &quot;duration&quot; online.log

This is something I will need to change...



Thank you for all your time and comments.. They are GREATLY appreciated by this NEWBIE

 

[cpuguru11]

onstat> ioq

Informix Dynamic Server Version 7.31.UD4 -- On-Line -- Up 12:58:55 -- 508904
Kbytes

AIO I/O queues:
q name/id len maxlen totalops dskread dskwrite dskcopy
adt 0 0 0 0 0 0 0
msc 0 0 1 3416 0 0 0
aio 0 0 7 102 61 0 0
pio 0 0 1 175 0 175 0
lio 0 0 1 4221 0 4221 0
gfd 3 0 3 311 101 210 0
gfd 4 0 17 140539 135243 5296 0
gfd 5 0 16 1512 301 1211 0
gfd 6 0 141 67460 10556 56904 0
gfd 7 0 1 2 2 0 0
gfd 8 0 1 1 1 0 0
gfd 9 0 1 3 3 0 0
gfd 10 0 1 1 1 0 0
gfd 11 0 1 2 2 0 0
gfd 12 0 1 14 14 0 0
onstat>






Informix Dynamic Server Version 7.31.UD4 -- On-Line -- Up 13:02:13 -- 508904
Kbytes
onstat> seg

Informix Dynamic Server Version 7.31.UD4 -- On-Line -- Up 13:02:14 -- 508904
Kbytes

Segment Summary:
id key addr size ovhd class blkused blkfree
8609 1381451777 80000000 454000640 33840 R 55413 7
(shared) 1381451777 9b0f8000 67117056 1644 V 1921 6272
Total: - - 521117696 - - 57334 6279

(* segment locked in memory)
onstat>