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0
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1answer
19 views

Zombie connections on tomcat server while using mod_proxy_ajp

I'm using tomcat server 7 with apache mode_proxy_ajp module to serve a website. Here is my ajp connector config: <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" ...
-2
votes
1answer
37 views

TCP ports duplication [closed]

I need to communicate server1 to server2. Server1 should have to fetch some records from Server2 when we execute program.exe will make server1 to fetch server2 When I gave netstat -an | find ...
0
votes
0answers
164 views

ddrescue a failing hard drive; getting a kernel module deadlock

I'm in the process of recovering a dying hard-drive with ddrescue. The utility works very well in the parts of the drive that have not problems but in the parts of the drive with problems it goes very ...
0
votes
0answers
259 views

BUG: soft lockup - CPU#0 stuck for 23s! on XEN PV debian related to high i/o load

i am currently experiencing some problems with my Debian Xen System. It runns on an old opteron System with two Dual Core AMD Opteron(tm) Processor 275 CPUs. I am using image files (block devices) ...
1
vote
1answer
939 views

Deadlock trigger on MariaDB Galera cluster

I can trigger a deadlock on our (test) Galera cluster when updating a row with the same data. INSERT INTO test (id, val) VALUES (1, 42), (2, 47); -- Query OK, 2 rows affected (0.01 sec) -- Records: 2 ...
5
votes
1answer
230 views

how can I diagnose a “frozen” linux software raid device?

I have a server running Linux 3.2.12 32-bit i686 with 13 drives: 1 boot drive, and 3 raid5 devices of 4 drives each. /proc/mdstat shows Personalities : [raid1] [raid10] [raid6] [raid5] [raid4] md2 ...
1
vote
2answers
143 views

SQL 2005 Deadlocks: Running Traces & Examining Logs

We have a 3rd party commercial application which we believe is causing deadlocks to occur on our SQL Server 2005 (64bit) machine. Coming away from a 1 & 1/2 day training with the software vendor ...
1
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4answers
1k views

sql deadlocking and timing out almost constantly

Looks like today is going to be another rubbish one. We have recently updated our sql box with a complete monster, with loads of cores and ram, however we are stuck with our old DB schema which is ...
0
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1answer
237 views

Mysql Logging all deadlocks

I have a MySql DB that is encountering some deadlocks. I want the log all deadlocks, any thoughts of how to do this?
1
vote
1answer
136 views

Help, SQL 2008 table locked after large update!

I had a large update statement run over the weekend that took approximately 6.5 hours to complete. That was 2 days ago (friday evening, today is monday morning). The table has 77million records in ...
2
votes
3answers
814 views

Nexenta/OpenSolaris filer kernel panic/crash

I've an x4540 Sun storage server running NexentaStor Enterprise. It's serving NFS over 10GbE CX4 for several VMWare vSphere hosts. There are 30 virtual machines running. For the past few weeks, I've ...
1
vote
1answer
576 views

MySQLdump deadlock on a myisam table?

Today I woke up with our production server down. Not happy. We pinpointed the problem to a daily cronjob, that does a full mysqldump from the production database, to a remote server. The SQL command ...
0
votes
1answer
149 views

JBoss 4.2 Deadlocking

Greetings, Not sure if this is one for here or stackoverflow but here goes: I have deployed a J2EE application on JBoss 4.2 with a MySQL backend. While stress testing the application I've ...
1
vote
2answers
503 views

What's the best way to monitor SQL Server Concurrency issues?

What's the best way to monitor SQL Server Conccurency issues? Specifically my goal is to reduce or prevent deadlocks and blocking and to catch potential concerns before they become a problem. For ...
1
vote
2answers
3k views

IIS mystery: “Deadlock detected” periodically makes site unavailable

A few times a day, our vb.net (IIS 6.0) website is randomly throwing the following error and becomes completely unavailable for 5-15 minutes at a time while the application is recycled: ISAPI ...
0
votes
2answers
485 views

Table has no clustered index so what happens if i rebuild indexes?

We have a vendor app that has a SQL Server 2005 database. During data entry, app writes data to a table that has no clustered indexes on it. It has a number of indexes on the table, though. I used ...
1
vote
3answers
345 views

Oracle DB Deadlocks

We have a situation where a db is "slowing down". DB operations that normally take a second or two are taking ten times as long. There appear to be a large number of locks in the DB when this is ...
1
vote
2answers
2k views

When to change SQL 2005 max worker threads on 64-bit server

Server Environment: Windows 2003 Standard R2 x64 SP2 SQL 2005 Enterprise 64-bit SP2 HP ProLiant BL460c G1, Xeon E5440 2.83 Ghz processors (Quad-core) 8 GB RAM EDIT: I should also note that ...