Server Crash at java overload use of CPU

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LaraCroft
Posts: 360
Joined: Sat Aug 08, 2009 1:37 am

Server Crash at java overload use of CPU

Post by LaraCroft »

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Hi guys...
I'm having a very strange problem with the GE server.
When the server starts the CPU usage remains always very high.
Even that has no players online the cpu usage is still very high and always increasing.
The server shows no errors or lag.
But... When the cpu usage exceeds 50% the server crashes.

When I used the GF server, this problem did not happen.

%CPU
50.4
COMMAND
java -server -Djava.util.logging.manager=com.l2jserver.util.L2LogManager -Xmx4046m -Xms2048m -Xmn1024m -cp ./../libs/*:l2jserver.jar com.l2jserver.gameserver.GameServer > log/stdout.log 2>&1

I've looked all over the forum.
But... I have not found something to help me to resolve this problem.
I tested with the clean code from nightly.
But... the error persists.

I'm losing so many players.
:(

If anyone can help me, I'll be very grateful.
Thx a lot...

These are my main settings:
Ubuntu 910 karmic 64 minimal
Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz , 8 cores, 8Gb Memory

Custom Edits
Capture the Flag (CTF) Event
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# ---------------------------------------------------------------------------
# Thread Configuration
# ---------------------------------------------------------------------------
# Extreme caution should be here, set to defaults if you do not know what you are doing.
# These could possibly hurt your servers performance or improve it depending on your server's configuration, size, and other factors.
# Default: 10
ThreadPoolSizeEffects = 10

# Default: 13
ThreadPoolSizeGeneral = 13

# Default: 2
UrgentPacketThreadCoreSize = 2

# Default: 4
GeneralPacketThreadCoreSize = 4

# Default: 4
GeneralThreadCoreSize = 4

# Default: 6
AiMaxThread = 6

# Dead Lock Detector (a separate thread for detecting deadlocks).
# For improved crash logs and automatic restart in deadlock case if enabled.
# Check interval is in seconds.
# Default: False
DeadLockDetector = False

# Default: 20
DeadLockCheckInterval = 20

# Default: False
RestartOnDeadlock = False

MYSQL server 5.1
# Example MySQL config file for large systems.
#
# This is for a large system with memory = 512M where the system runs mainly
# MySQL.
#
# You can copy this file to
# /etc/my.cnf to set global options,
# mysql-data-dir/my.cnf to set server-specific options (in this
# installation this directory is /var/lib/mysql) or
# ~/.my.cnf to set user-specific options.
#
# In this file, you can use all long options that a program supports.
# If you want to know which options a program supports, run the program
# with the "--help" option.

# The following options will be passed to all MySQL clients
[client]
#password = your_password
port = 3306
socket = /var/run/mysqld/mysqld.sock

# Here follows entries for some specific programs

# The MySQL server
[mysqld]
port = 3306
socket = /var/run/mysqld/mysqld.sock
skip-locking
key_buffer_size = 256M
max_allowed_packet = 1M
table_open_cache = 256
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 4M
myisam_sort_buffer_size = 64M
thread_cache_size = 8
query_cache_size= 16M
# Try number of CPU's*2 for thread_concurrency
thread_concurrency = 8

# Don't listen on a TCP/IP port at all. This can be a security enhancement,
# if all processes that need to connect to mysqld run on the same host.
# All interaction with mysqld must be made via Unix sockets or named pipes.
# Note that using this option without enabling named pipes on Windows
# (via the "enable-named-pipe" option) will render mysqld useless!
#
#skip-networking

# Replication Master Server (default)
# binary logging is required for replication
log-bin=mysql-bin

# binary logging format - mixed recommended
binlog_format=mixed

# required unique id between 1 and 2^32 - 1
# defaults to 1 if master-host is not set
# but will not function as a master if omitted
server-id = 1

# Replication Slave (comment out master section to use this)
#
# To configure this host as a replication slave, you can choose between
# two methods :
#
# 1) Use the CHANGE MASTER TO command (fully described in our manual) -
# the syntax is:
#
# CHANGE MASTER TO MASTER_HOST=<host>, MASTER_PORT=<port>,
# MASTER_USER=<user>, MASTER_PASSWORD=<password> ;
#
# where you replace <host>, <user>, <password> by quoted strings and
# <port> by the master's port number (3306 by default).
#
# Example:
#
# CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306,
# MASTER_USER='joe', MASTER_PASSWORD='secret';
#
# OR
#
# 2) Set the variables below. However, in case you choose this method, then
# start replication for the first time (even unsuccessfully, for example
# if you mistyped the password in master-password and the slave fails to
# connect), the slave will create a master.info file, and any later
# change in this file to the variables' values below will be ignored and
# overridden by the content of the master.info file, unless you shutdown
# the slave server, delete master.info and restart the slaver server.
# For that reason, you may want to leave the lines below untouched
# (commented) and instead use CHANGE MASTER TO (see above)
#
# required unique id between 2 and 2^32 - 1
# (and different from the master)
# defaults to 2 if master-host is set
# but will not function as a slave if omitted
#server-id = 2
#
# The replication master for this slave - required
#master-host = <hostname>
#
# The username the slave will use for authentication when connecting
# to the master - required
#master-user = <username>
#
# The password the slave will authenticate with when connecting to
# the master - required
#master-password = <password>
#
# The port the master is listening on.
# optional - defaults to 3306
#master-port = <port>
#
# binary logging - not required for slaves, but recommended
#log-bin=mysql-bin

# Point the following paths to different dedicated disks
#tmpdir = /tmp/
#log-update = /path-to-dedicated-directory/hostname

# Uncomment the following if you are using InnoDB tables
#innodb_data_home_dir = /var/lib/mysql/
#innodb_data_file_path = ibdata1:10M:autoextend
#innodb_log_group_home_dir = /var/lib/mysql/
# You can set .._buffer_pool_size up to 50 - 80 %
# of RAM but beware of setting memory usage too high
#innodb_buffer_pool_size = 256M
#innodb_additional_mem_pool_size = 20M
# Set .._log_file_size to 25 % of buffer pool size
#innodb_log_file_size = 64M
#innodb_log_buffer_size = 8M
#innodb_flush_log_at_trx_commit = 1
#innodb_lock_wait_timeout = 50

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates

[myisamchk]
key_buffer_size = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout
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User avatar
JIV
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Re: Server Crash at java overload use of CPU

Post by JIV »

connect with telnet and type "debug full" and post it here.
User avatar
LaraCroft
Posts: 360
Joined: Sat Aug 08, 2009 1:37 am

Re: Server Crash at java overload use of CPU

Post by LaraCroft »

Thx...

Here the log file:
You do not have the required permissions to view the files attached to this post.
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JIV
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Re: Server Crash at java overload use of CPU

Post by JIV »

debug log, not stdout.
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LaraCroft
Posts: 360
Joined: Sat Aug 08, 2009 1:37 am

Re: Server Crash at java overload use of CPU

Post by LaraCroft »

Hi JIV

I activate the Debug option in General.properties
But no Debug file is generated.

How do I generate this file??
:oops:


Thx a lot
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Gnacik
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Re: Server Crash at java overload use of CPU

Post by Gnacik »

JIV wrote:connect with telnet and type "debug full" and post it here.
8)
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LaraCroft
Posts: 360
Joined: Sat Aug 08, 2009 1:37 am

Re: Server Crash at java overload use of CPU

Post by LaraCroft »

Yes...

But...
Where I type "debug full"??
:oops:
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LaraCroft
Posts: 360
Joined: Sat Aug 08, 2009 1:37 am

Re: Server Crash at java overload use of CPU

Post by LaraCroft »

LaraCroft wrote:Yes...

But...
Where I type "debug full"??
:oops:
No one knows :?:
:(
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janiii
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Re: Server Crash at java overload use of CPU

Post by janiii »

when you connect with telnet toyour gameserver. then you type there debug full.
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LaraCroft
Posts: 360
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Re: Server Crash at java overload use of CPU

Post by LaraCroft »

Thx Janiii
I'll try this.
:)
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