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Questions tagged [dump]

In computing, a dump refers to recording the contents of the working memory of a computer program or operating system at a specific time, generally when it has terminated abnormally (crashed). Dumps are written to file and can be useful in debugging and diagnosing the crash that prompted the dump.

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466 views

Backup and Restore Centos 7 using Dump

I am very new in Linux. I have some applications installed in one of my CentOS 7 VPX. I want move my hosting to another provider, so I want create backup of my full system so I can restore it in the ...
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1answer
40 views

How do I get a thread dump of my Wildfly process on Amazon Linux?

We're using Wildfly 11 with JDK 8 on Amazon Linux. How do I get a thread dump of our Wildfly process? We're trying to troubleshoot why we're seeing high CPU utilization for that process. We do NOT ...
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2answers
20 views

FreeBSD/GNU Linux: should I leave kernel crash dumps enabled or disabled on a production server?

I did a google search on kernel crash dumps, and while I found plenty of information on what they are and how to set them up, I could not seem to get a recommendation on whether they should be enabled ...
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27 views

Assistance/Guidance with a Bugcheck Analysis

We have an Intel Modular Server with 3 compute modules populated in the chassis. We recently moved this hardware to our test lab and reloaded each compute module with Windows Server 2016 Datacenter (...
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1answer
19 views

Any way to make an hex dump of a SAS drive behind a RAID1 (PERC H200) controller?

I have SAS drives in RAID1. The RAID1 is done by a PERC H200 card on a Dell PowerEdge T310. This card has four sockets: 0,1,2,3. The RAID1 uses slots 0 and 1. When inserting third disk in slot 2, ...
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1answer
160 views

MySQL dump is very slow on google cloud platform

I have a dump with: SET unique_checks=0; SET foreign_key_checks=0; SET autocommit=0; I import it with mysql < file.sql command and it takes a lot of time - I can't wait until it's finished. It ...
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1answer
127 views

How to process core-dumps with Splunk?

We are managing an application, which some times crashes and dumps core. We have a script, which outputs the application's stack from the core -- and some other details useful for debugging. Can ...
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2answers
305 views

Postgres 10.1 slow on Ubuntu 16.04

Installing a single table-dump is significant slower on U16.04 (and higher) than on U14.04. The test was done on the same computer with default settings. testdb=# \d photos_searchlog ...
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1answer
57 views

pg_dumpall is dumping only “postgres” database, not all databases

Strangely, on one of our server, pg_dumpall, when executed by cron, only dumps "postgres" database, instead of all databases. But when executing it from command line, it works. I suspect it must be ...
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1answer
332 views

make a memory dump of a large w3wp instance

I have a web service that under normal conditions consume about 6-7 GB of memory. Sometimes, however, consumption spikes to 11-12 GB and I want to figure out why. For that I want to make a memory dump ...
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2answers
663 views

How to convert a MyISAM .sql dump into InnoDB?

Can I convert dumped .sql MyISAM database into InnoDB engine before importing it to my MySQL server? Unfortunately, importing the current .sql file takes ages to complete.
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338 views

change the core-dump location - abrtd configuration

I'm trying to change the Linux core-dump location to a different directory using the abrtd configuration (normally it is going to the location core,but according to my research, if you enable abrtd, ...
4
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1answer
451 views

Windows Error Reporting dumps VS procdump.exe

Can somebody clarify if memory dumps produced by WER are the same as those produced by procdump.exe? Can two these tools conflict when used simultaneously? What would be the right approach if my goal ...
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0answers
245 views

Dump a tcp stream (tcpdump/tpick?) and save to file only if RST happen

I'm looking for a way to capture a whole tcp stream, but save it into the file only if 1) error happens (like RST) 2) not sure if possible - analyze the http response, store if HTTP 500 happen is a ...
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1answer
258 views

abrt-ccpp ignores MaxCrashReportsSize and creates a huge dump :(

My abrt-ccpp service suddenly stopped capping the dumps at 10M and creates huge dumps - what am I missing? (I really haven't changed anything...) my dumps folder: sudo du -sh /home/tmp/abrt/* 12K ...
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0answers
77 views

Does upstart wait until a core dump is written before restarting the process?

On our Ubuntu servers, core dumps are currently disabled. If we enable them, and a daemon process crashes, will that impact the time taken for upstart to restart the process? That is: if my daemon's ...
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1answer
311 views

Postgres autovacuum errors while restoring a dump

Restoring a dump on a Ubuntu 16.04 system takes several hours. Autovacuum is just canceled after waiting more than 3 hours (10926330.443 ms): 2016-07-20 05:20:00 CEST [78652-2414] LOCATION: ...
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1answer
1k views

Postgres 9.5: Restoring dumps is very very slow

After updating server (and also the pc for additional tests) to Postgres 9.5 I tried to import PG 9.4 dumps and/or to restore 9.5 dumps: pg_dump testdb > db.sql psql -d testdb -f db.sql Restoring ...
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2answers
2k views

debugging stuck apache/php thread on production server

I have a linux system with apache httpd and PHP which is loaded using LoadModule php5_module /usr/lib/apache2/modules/libphp5.so. I've enabled the mod_status module of apache and I see a particular ...
0
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2answers
46 views

Uncompress an SQL file give a binary file

I created and compressed (with bzip2) a SQL dump from a production server on Linux. I want to create a shell script to automatically import it in the database of my development environment (on Mac OS)...
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0answers
359 views

BIND cache dump file format parsing

I'm trying to analyze the contents of BIND's cache by looking into dump files, the ones generated by rndc dumpdb -cachedb. ; ; Start view _default ; ; ; Cache dump of view '_default' (cache _default) ...
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1answer
592 views

How to preform a core dump on MongoDB

I am in the process of investigating a potential memory leak within MongoDB, last night I experienced an issue where the resident memory in use, had an unexpect climb to +10GB. I am trying to preform ...
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3answers
280 views

How do you force Windows to keep memory dumps?

I'm trying to debug a sporadic problem with some Dell tablets out in the field that crash intermittently. Looking at the Event Viewer logs, it seems that Windows automatically creates a memory dump ...
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2answers
2k views

/sbin/dump: “Bad magic number in super-block while opening filesystem”

I'm attempting a backup of one of our servers: [root@butler /]# /sbin/dump -0uan -f - / | gzip -2 | ssh -c blowfish IRUser@192.168.0.225 dd of=/RAIDPOOL01/sysbackup/full-backup-`date '+%d-%B-%Y'`....
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1answer
2k views

PowerShell: export GPO to a text file

I'm new to Windows Server, and I'm curious: is there any way to dump group security settings to a text file, using PowerShell or batch files? Thank you!
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1answer
545 views

MariaDB galera cluster fail when dumping or optimizing database

It seems that a Galera cluster deadlocks every time when I run a mysqldump or table optimize. I've ran a "mysqlcheck" and a "mysqldump" on my MariaDB 10.1 database server several times. (which runs ...
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1answer
445 views

Windows 2008 R2 Memory Dump [closed]

Today we have got memory dump error on our windows server 2008 R2. As per Blue Screen Viewer its "UNEXPECTED_KERNEL_MODE_TRAP" with BugCheck Code "0x0000007f". But i am not sure what does its means. ...
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1answer
272 views

PHP5-FPM Core Dumping due to some weird Zend error

I am getting an extremely weird core dump, which refers back to "Not Having Zend" even though zend is installed and working properly. This started showing up today after I did an apt-get upgrade, and ...
2
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1answer
1k views

What steps are required to debug a memory.dmp? (walkthrough included)

I woke up to this in my eventlog today: The computer has rebooted from a bugcheck. The bugcheck was: 0x000000ef (0xffffe0018668f080, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000). A ...
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1answer
331 views

mysql error when running script to dump all databases

I am having mysql server in centos which is running fine, i recently got a script to dump all individual databases to one folder, when i run that script to dump, i'm getting this error when ever i run ...
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0answers
114 views

Import outdated MySQL dump using console

I have a mysql dump file created by outdated MySQL version. I have no access to that server (console). If i use this command on my current server: mysql -u user -p dbname < dump.sql I get this ...
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1answer
59 views

Server crashing - Error 106 and .dmp files

A server is crashing with increasing frequency. Prior to crashing there are no events in the eventlog which indicate why it is crashing. There is no bluescreen and it does not respond to pings, show ...
4
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1answer
6k views

Subversion - svnadmin dump remote url

I have Subversion repository that contains multiple projects, and now I'm trying to separate each project into it's own repository. system: # cat /etc/redhat-release Red Hat Enterprise Linux ...
3
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1answer
99 views

Windows 2008 SP2 x32 is rebooting every 800 minutes , how to know why?

This is becoming a nightmare, we have no clue on why this server is rebooting each 800 minutes. This issue started on the night from 05th to 06th of January, so it is a kind of present. I come form ...
2
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1answer
3k views

Virtualized Windows 2008 R2 throws random BSOD, but writes no minidumps

we are experiencing random BSODs inside a customers VMware-hosted RemoteDesktop-server. The BSODs happen nearly weekly. Curious thing is, the virtual machine does not write any dumps we could analyze, ...
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2answers
5k views

Get a core dump of/debugging a process killed by oom-killer

Is there any way to get a core dump of, or be able to debug a process that has been killed by oom-killer? Or even set oom-killer to try to kill a process using ABRT instead?
23
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1answer
1k views

Non-blocking core dump on Linux?

I'm looking for a way to take a non-intrusive coredump of a running process on Linux. I'm familiar with gdb's gcore, but that can only be run when gdb is attached to the process and it's stopped for ...
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1answer
59 views

pipe rrd to a new directory

I am chrooted and running out of drive space, so I mounted back to the host drive which has plenty of space but cannot seem to redirect the outputted data to my empty drive [root@localhost rra]# ls /...
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1answer
2k views

Psql uses .pgpass file however pg_dump does not, and it also does not connect using the correct password [closed]

Using the following command: % pg_dump -h postgres.cs.host.ca -p 5433 -n _cscf_subscription -Fc -f ~/old.dump odyssey_prod Password: pg_dump: [archiver (db)] connection to database "cs-rsub" failed: ...
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1answer
658 views

How to find core dumps mentioned in event log

When I search for the files the event log mentions they are not there. Well, the bottom one is there but there's no helpful information in that file. This event was created by the Windows Error ...
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2answers
6k views

Nginx worker process exited

I'm getting the following error message from /var/log/nginx/error.log: 2014/07/17 08:36:21 [alert] 8206#0: worker process 8207 exited on signal 11 (core dumped) 2014/07/17 08:36:21 [alert] 8206#0: ...
2
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2answers
7k views

How to enable core files on CentOS 6

I am trying to enable core files on a machine running CentOS 6; however, nothing I have tried has produced core files…here is what I have done: Added the following two lines to /etc/security/...
4
votes
1answer
2k views

systemd: get core dumps for service started by xinetd

I recently upgraded a system to openSUSE 13.1. We're running a custom-built service on the system through xinetd, and in the old xinetd init script had the line ulimit -c unlimited before starting ...
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2answers
519 views

Where to find FCGI app's FreeBSD nginx coredump file?

I'm running a FCGI spawn app on nginx on FreeBSD. It is buggy and I would like to analyse the .core file of the crash. But I don't have any clue where its generated. Does anyone know?
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3answers
3k views

Is there a mechanism in Unix (or Linux) to stop an in-progress core dump?

Let's say a (very) large process is crashing and dumping core, and we know the cause from other information (possibly an assert message, maybe something else). Is there a way to stop the core dump ...
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1answer
99 views

Scheduler spikes single core on SMP Ubuntu vm under ESXi

The setup is as follows. Ubuntu-11.10 VM running on an ESXi host. The VM has 3 vCPU assigned. When running dump (to backup the harddisk) it seems all the processes are assigned to the first vCPU. As ...
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1answer
1k views

pg_dump fails, no space left, need to delete partial backup file to free space

Easy points. On my mac, postgres.app 9.2, I ran "pg_dump pdbt > pdbt.sql". It used up all my space and then failed with the error below. Now I want to free up the space taken up by "pdbt.sql" but I ...
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1answer
203 views

How do I set the current working directory of Asterisk?

I need to be able to collect core dumps, but since Asterisk's CWD is / (so claims procfs), it'll never be able to write them. I've confirmed my suspicions by allowing world write to / and SIGABRT the ...
4
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1answer
3k views

Enable core dumps in Apache

I would like to enable core dumps in my Apache web server. Since I have PHP 5.5 and OPcache my Mediawiki site crashes with the following error: child pid ... exit signal Segmentation fault (11) So I ...
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1answer
1k views

How can I dump nginx requests for a specific location while nginx is secured?

I want to dump all request that nginx is getting for a specific location so I can debug a strange problem that I have. Usually tcpdump would be the solution but remember that nginx is accessed using ...