我的服务器是IBM3650 ，4个志强双核CPU，4G内存，windows 2000 server,现在oracle用户进程大概有800个，每天上午在访问高峰时系统运行很慢，怎么办？ init.ini文件内容如下：db_name = "oracle"
instance_name = orcl
service_names = oracle
db_files = 1024 # INITIAL
# db_files = 80 # SMALL
# db_files = 400 # MEDIUM
# db_files = 1500 # LARGE
control_files = ("D:\Oracle\oradata\oracle\control01.ctl", "D:\Oracle\oradata\oracle\control02.ctl", "D:\Oracle\oradata\oracle\control03.ctl")
open_cursors = 100
max_enabled_roles = 100
db_file_multiblock_read_count = 8 # INITIAL
# db_file_multiblock_read_count = 8 # SMALL
# db_file_multiblock_read_count = 16 # MEDIUM
# db_file_multiblock_read_count = 32 # LARGE
db_block_buffers = 2048 # INITIAL
# db_block_buffers = 100 # SMALL
# db_block_buffers = 550 # MEDIUM
# db_block_buffers = 3200 # LARGE
shared_pool_size = 209715200 # INITIAL
# shared_pool_size = 3500000 # SMALL
# shared_pool_size = 5000000 # MEDIUM
# shared_pool_size = 9000000 # LARGE
large_pool_size = 31457280
java_pool_size = 20971520
log_checkpoint_interval = 10000
log_checkpoint_timeout = 1800processes = 800 # INITIAL
# processes = 50 # SMALL
# processes = 100 # MEDIUM
# processes = 200 # LARGEparallel_max_servers = 5 # SMALL
# parallel_max_servers = 4 x (number of CPUs) # MEDIUM
# parallel_max_servers = 4 x (number of CPUs) # LARGElog_buffer = 3276800 # INITIAL
# log_buffer = 32768 # SMALL
# log_buffer = 32768 # MEDIUM
# log_buffer = 163840 # LARGE#audit_trail = true # if you want auditing
#timed_statistics = true # if you want timed statistics
max_dump_file_size = 10240 # limit trace file size to 5M each# Uncommenting the line below will cause automatic archiving if archiving has
# been enabled using ALTER DATABASE ARCHIVELOG.
#log_archive_start = true
#log_archive_dest_1 = "location=D:\Oracle\oradata\oracle\archive"
#log_archive_format = %%ORACLE_SID%%T%TS%S.ARC
log_archive_start = true
log_archive_dest= "D:\Oracle\oradata\oracle\archive"
log_archive_format = %%ORACLE_SID%%T%TS%S.ARC# If using private rollback segments, place lines of the following
# form in each of your instance-specific init.ora files:
#rollback_segments = ( RBS0, RBS1, RBS2, RBS3, RBS4, RBS5, RBS6 )# If using public rollback segments, define how many
# rollback segments each instance will pick up, using the formula
# # of rollback segments = transactions / transactions_per_rollback_segment
# In this example each instance will grab 40/5 = 8
# transactions = 40
# transactions_per_rollback_segment = 5# Global Naming -- enforce that a dblink has same name as the db it connects to
global_names = true# Edit and uncomment the following line to provide the suffix that will be
# appended to the db_name parameter (separated with a dot) and stored as the
# global database name when a database is created. If your site uses
# Internet Domain names for e-mail, then the part of your e-mail address after
# the '@' is a good candidate for this parameter value.
# db_domain = us.acme.com # global database name is db_name.db_domain# Uncomment the following line if you wish to enable the Oracle Trace product
# to trace server activity. This enables scheduling of server collections
# from the Oracle Enterprise Manager Console.
# Also, if the oracle_trace_collection_name parameter is non-null,
# every session will write to the named collection, as well as enabling you
# to schedule future collections from the console.
# oracle_trace_enable = trueoracle_trace_collection_name = ""
# define directories to store trace and alert files
background_dump_dest = D:\Oracle\admin\oracle\bdump
#Uncomment this parameter to enable resource management for your database.
#The SYSTEM_PLAN is provided by default with the database.
#Change the plan name if you have created your own resource plan.# resource_manager_plan = system_plan
user_dump_dest = D:\Oracle\admin\oracle\udumpdb_block_size = 8192remote_login_passwordfile = exclusiveos_authent_prefix = ""# The following parameters are needed for the Advanced Replication Option
job_queue_processes = 4
job_queue_interval = 10
open_links = 4distributed_transactions = 500
mts_dispatchers = "(PROTOCOL=TCP)(PRE=oracle.aurora.server.SGiopServer)"
# Uncomment the following line when your listener is configured for SSL
# (listener.ora and sqlnet.ora)
# mts_dispatchers = "(PROTOCOL=TCPS)(PRE=oracle.aurora.server.SGiopServer)"compatible = 8.1.0
sort_area_size = 655360
sort_area_retained_size = 65536
instance_name = orcl
service_names = oracle
db_files = 1024 # INITIAL
# db_files = 80 # SMALL
# db_files = 400 # MEDIUM
# db_files = 1500 # LARGE
control_files = ("D:\Oracle\oradata\oracle\control01.ctl", "D:\Oracle\oradata\oracle\control02.ctl", "D:\Oracle\oradata\oracle\control03.ctl")
open_cursors = 100
max_enabled_roles = 100
db_file_multiblock_read_count = 8 # INITIAL
# db_file_multiblock_read_count = 8 # SMALL
# db_file_multiblock_read_count = 16 # MEDIUM
# db_file_multiblock_read_count = 32 # LARGE
db_block_buffers = 2048 # INITIAL
# db_block_buffers = 100 # SMALL
# db_block_buffers = 550 # MEDIUM
# db_block_buffers = 3200 # LARGE
shared_pool_size = 209715200 # INITIAL
# shared_pool_size = 3500000 # SMALL
# shared_pool_size = 5000000 # MEDIUM
# shared_pool_size = 9000000 # LARGE
large_pool_size = 31457280
java_pool_size = 20971520
log_checkpoint_interval = 10000
log_checkpoint_timeout = 1800processes = 800 # INITIAL
# processes = 50 # SMALL
# processes = 100 # MEDIUM
# processes = 200 # LARGEparallel_max_servers = 5 # SMALL
# parallel_max_servers = 4 x (number of CPUs) # MEDIUM
# parallel_max_servers = 4 x (number of CPUs) # LARGElog_buffer = 3276800 # INITIAL
# log_buffer = 32768 # SMALL
# log_buffer = 32768 # MEDIUM
# log_buffer = 163840 # LARGE#audit_trail = true # if you want auditing
#timed_statistics = true # if you want timed statistics
max_dump_file_size = 10240 # limit trace file size to 5M each# Uncommenting the line below will cause automatic archiving if archiving has
# been enabled using ALTER DATABASE ARCHIVELOG.
#log_archive_start = true
#log_archive_dest_1 = "location=D:\Oracle\oradata\oracle\archive"
#log_archive_format = %%ORACLE_SID%%T%TS%S.ARC
log_archive_start = true
log_archive_dest= "D:\Oracle\oradata\oracle\archive"
log_archive_format = %%ORACLE_SID%%T%TS%S.ARC# If using private rollback segments, place lines of the following
# form in each of your instance-specific init.ora files:
#rollback_segments = ( RBS0, RBS1, RBS2, RBS3, RBS4, RBS5, RBS6 )# If using public rollback segments, define how many
# rollback segments each instance will pick up, using the formula
# # of rollback segments = transactions / transactions_per_rollback_segment
# In this example each instance will grab 40/5 = 8
# transactions = 40
# transactions_per_rollback_segment = 5# Global Naming -- enforce that a dblink has same name as the db it connects to
global_names = true# Edit and uncomment the following line to provide the suffix that will be
# appended to the db_name parameter (separated with a dot) and stored as the
# global database name when a database is created. If your site uses
# Internet Domain names for e-mail, then the part of your e-mail address after
# the '@' is a good candidate for this parameter value.
# db_domain = us.acme.com # global database name is db_name.db_domain# Uncomment the following line if you wish to enable the Oracle Trace product
# to trace server activity. This enables scheduling of server collections
# from the Oracle Enterprise Manager Console.
# Also, if the oracle_trace_collection_name parameter is non-null,
# every session will write to the named collection, as well as enabling you
# to schedule future collections from the console.
# oracle_trace_enable = trueoracle_trace_collection_name = ""
# define directories to store trace and alert files
background_dump_dest = D:\Oracle\admin\oracle\bdump
#Uncomment this parameter to enable resource management for your database.
#The SYSTEM_PLAN is provided by default with the database.
#Change the plan name if you have created your own resource plan.# resource_manager_plan = system_plan
user_dump_dest = D:\Oracle\admin\oracle\udumpdb_block_size = 8192remote_login_passwordfile = exclusiveos_authent_prefix = ""# The following parameters are needed for the Advanced Replication Option
job_queue_processes = 4
job_queue_interval = 10
open_links = 4distributed_transactions = 500
mts_dispatchers = "(PROTOCOL=TCP)(PRE=oracle.aurora.server.SGiopServer)"
# Uncomment the following line when your listener is configured for SSL
# (listener.ora and sqlnet.ora)
# mts_dispatchers = "(PROTOCOL=TCPS)(PRE=oracle.aurora.server.SGiopServer)"compatible = 8.1.0
sort_area_size = 655360
sort_area_retained_size = 65536
2.你的系统是olap系统还是oltp系统?
3.oracle是9i还是10g?
最好达到可用内存3G的70%
2、做下AIX系统的监控分析，像topas, vmstat,iostat,sar ,等