4031 - errors 2004-05-28 - By Duret, Kathy
In fact we had problems today again..... we are going to bounce tonight.
SQL > 1 select
2 free_space
3 ,avg_free_size
4 ,used_space
5 ,avg_used_size
6 ,request_failures
7 ,last_failure_size
8 ,TO_CHAR(SYSDATE, 'DD-MON-YYYY HH24 MI SS ') DATE_AN_TIME
9 from
10* v$shared_pool_reserved
FREE_SPACE AVG_FREE_SIZE USED_SPACE AVG_USED_SIZE REQUEST_FAILURES
-- ---- -- -- ---- ----- -- ---- -- -- ---- ----- -- ---- ---- ---
LAST_FAILURE_SIZE DATE_AN_TIME
-- ---- ---- ---- -- ---- ---- ---- --
25000000 25000000 0 0 85
4132 28-MAY-2004 18 03 17
we have the default have a shared pool of 500000000 so are you saying to
decrease it to less than the default?
Also this has been this way for years. In fact I just increased shared_pool
from 300000000 to 500000000
I just don 't know. I did see leaks from our update against our db link and
hs link.
I am trying to see if our .net server
-- --Original Message-- --
From: Wolfson Larry - lwolfs [mailto:lawrence.wolfson@(protected)]
Sent: Friday, May 28, 2004 5:18 PM
To: 'oracle-l@(protected) '
Subject: RE: 4031 - errors
Kathy, hi how are you?
Got in here a couple days late but we had a sever problem with 4031s
and after looking on metalink I used this script to see how busy the
shared_pool_reserve was.
SPOOL $DBS/Sharedpoolreserved.$ORACLE_SID
COL name FOR A05
COL REQUEST_FAILURES FOR 999,999 HEA "REQUEST|FAILURES "
COL LAST_FAILURE_SIZE FOR 999,999,999 HEA "LAST |FAILURE |SIZE "
select name
,free_space
,avg_free_size
,used_space
,avg_used_size
,request_failures
,last_failure_size
,TO_CHAR(SYSDATE, 'DD-MON-YYYY HH24 MI SS ') DATE_AN_TIME
from db
,v$shared_pool_reserved
;
SPOOL OFF
name is just the our INTERNAL DB name like CHICago, JACKsonville,
DALLas etc. to tell one PROD from another.
We had a lot of free space and minimized the SPR to give more memory
to SP. We didn 't have any more problems
Larry
Information written to trace file.
17:14:22 SQL > SHOW PARAMETERS shar
NAME TYPE VALUE
-- ---- ---- ---- ---- ---- ---- --- -- ---- -- ---- ---- ---- ---- ---- --
cursor_sharing string EXACT
hi_shared_memory_address integer 0
shared_memory_address integer 0
shared_pool_reserved_size string 1024000
shared_pool_size string 514400000
PS What are these parms doing for you?
_row_cache_instance_locks 1000
_row_cache_buffer_size 2000
-- --Original Message-- --
From: oracle-l-bounce@(protected)
[mailto:oracle-l-bounce@(protected)]On Behalf Of Duret, Kathy
Sent: Wednesday, May 26, 2004 2:53 PM
To: oracle-l@(protected)
Subject: 4031 - errors
Had a strange problems on Friday afternoon. We are on 8.1.7.4 Solaris
Had a ton of Bam - ora_04031 errors.
Tried to flush the shared pool and it would release some space but a large
chuck was not being released and this was strange since we have only acouple
of objects pinned.
When I tried to pin an object that was failing right after I would flush the
shared_pool I couldn 't get space.
Nothing new was put in that week as far as I know.
Put in a tar with Oracle and they suggested to bounce the database - which I
did later, increased the shared_pool and session_cached_cursors
We have pinned some more objects that are being loaded alot.
I looked at the sql area and nothing looked horrible, all the same normal
stuff. In fact there was really no load on the database or machine, no
swapping or paging.
It was very strange. It looked like "something " had memory and wasn 't
releasing it.
Oracle Supportless was of no help.... except to say bounce the database and
told me to set a parameter that isn 't available until 9i.
I tried running quite a few of Steve Adams scripts but really didn 't
enlighten me as to what was causing the problem.
I have since set the event in the init.ora for 4031. I know we don 't use
enough bind variable since the "java " structure with Jbosse doesn 't work
with bind variable ( this is what I am told anyway)
the cursor_spaced_for_time is set to true which I believe was done for the
Jbosse app we are running since they pool connections and can 't/dont use
bind variables. I am wondering
if this should be set to false.
My questions are:
1) Is there a way to tell an object is holding/leaking memory in the
database. Or a way to monitor the shared_pool so I can be proactive if
fragmentation is getting out of hand.
2) This Steve Adams query says to set kgl_bucket_count to 7 the hash table
from growing
-- dynamically, and thus prevents the performance problems
-- associated with hash table growth -
How can I see if I have a problem with this hash table growth?
select
least(8, ceil(log(2, ceil(count(*) / 509)))) "INDEX "
from
sys.x_$kglob o
where
o.inst_id = userenv( 'Instance ') and
o.kglhdadr = o.kglhdpar
/
Any suggestions, welcome.
init.ora - I took out the nls and archive,etc info
_spin_count 5000
processes 700
sessions 775
timed_statistics TRUE
timed_os_statistics 0
resource_limit FALSE
license_max_sessions 0
license_sessions_warning 0
cpu_count 4
instance_groups
event
shared_pool_size 500000000
shared_pool_reserved_size 25000000
large_pool_size 614400
java_pool_size 20971520
java_soft_sessionspace_limit 0
java_max_sessionspace_size 0
pre_page_sga FALSE
shared_memory_address 0
hi_shared_memory_address 0
use_indirect_data_buffers FALSE
lock_sga FALSE
lock_name_space
enqueue_resources 1000
disk_asynch_io TRUE
tape_asynch_io TRUE
dbwr_io_slaves 0
backup_tape_io_slaves FALSE
ops_interconnects
db_file_direct_io_count 64
resource_manager_plan
hpux_sched_noage
lm_ress 6000
lm_locks 12000
active_instance_count
db_file_name_convert
log_file_name_convert
db_block_buffers 25000
db_block_checksum FALSE
db_block_size 8192
db_block_lru_latches 8
db_writer_processes 2
db_block_max_dirty_target 25000
buffer_pool_keep
buffer_pool_recycle
max_commit_propagation_delay 700
compatible 8.1.7
log_archive_trace 0
log_buffer 2097152
log_checkpoint_interval 999999999
log_checkpoint_timeout 900
db_files 200
db_file_multiblock_read_count 8
read_only_open_delayed FALSE
parallel_server FALSE
parallel_server_instances 1
gc_releasable_locks 0
gc_rollback_locks 0-1024=32!8REACH
gc_files_to_locks
gc_defer_time 10
thread 0
fast_start_io_target 25000
log_checkpoints_to_alert FALSE
recovery_parallelism 0
control_file_record_keep_time 7
dml_locks 3408
row_locking always
serializable FALSE
replication_dependency_tracking TRUE
instance_number 0
transactions 852
transactions_per_rollback_segment 5
max_rollback_segments 170
transaction_auditing FALSE
fast_start_parallel_rollback LOW
db_block_checking FALSE
_row_cache_instance_locks 1000
_row_cache_buffer_size 2000
_row_cache_cursors 100
os_roles FALSE
rdbms_server_dn
max_enabled_roles 30
remote_os_authent FALSE
remote_os_roles FALSE
O7_DICTIONARY_ACCESSIBILITY TRUE
remote_login_passwordfile EXCLUSIVE
dblink_encrypt_login FALSE
license_max_users 0
db_domain
global_names FALSE
distributed_transactions 213
commit_point_strength 1
mts_dispatchers
mts_servers 0
mts_max_servers 20
mts_max_dispatchers 5
mts_sessions 0
mts_circuits 0
mts_listener_address
mts_multiple_listeners FALSE
open_links 100
open_links_per_instance 4
optimizer_features_enable 8.1.7
fixed_date
audit_trail DB
sort_area_size 2097152
sort_area_retained_size 524288
sort_multiblock_read_count 8
open_cursors 1500
ifile
sql_trace FALSE
os_authent_prefix
optimizer_mode CHOOSE
sql92_security FALSE
blank_trimming FALSE
always_anti_join NESTED_LOOPS
partition_view_enabled FALSE
star_transformation_enabled FALSE
parallel_broadcast_enabled FALSE
parallel_adaptive_multi_user FALSE
parallel_threads_per_cpu 2
parallel_automatic_tuning FALSE
always_semi_join STANDARD
optimizer_max_permutations 80000
optimizer_index_cost_adj 100
optimizer_index_caching 0
query_rewrite_enabled FALSE
query_rewrite_integrity enforced
sql_version NATIVE
serial_reuse DISABLE
cursor_space_for_time TRUE
session_cached_cursors 400
text_enable FALSE
remote_dependencies_mode TIMESTAMP
utl_file_dir
plsql_v2_compatibility FALSE
job_queue_processes 1
job_queue_interval 60
optimizer_percent_parallel 0
parallel_min_percent 0
create_bitmap_area_size 8388608
bitmap_merge_area_size 1048576
cursor_sharing EXACT
parallel_min_servers 0
parallel_max_servers 5
parallel_instance_group
parallel_execution_message_size 2148
hash_join_enabled TRUE
hash_area_size 2097152
hash_multiblock_io_count 8
oracle_trace_enable FALSE
oracle_trace_facility_path ?/otrace/admin/fdf
oracle_trace_collection_path ?/otrace/admin/cdf
oracle_trace_facility_name oracled
oracle_trace_collection_name
oracle_trace_collection_size 5242880
object_cache_optimal_size 1048576
object_cache_max_size_percent 10
session_max_open_files 10
aq_tm_processes 0
hs_autoregister TRUE
thanks,
Kathy
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