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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4 answers
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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 ...
1 vote
1 answer
1k views

How does the 'stop' mode in Proxmox' vzdump backup tool work?

So i'm currently using vzdump with the parameter --mode stop. In the description it says that the VM gets shut down before the actual backup starts and after the backup has been started the VM gets ...
1 vote
0 answers
236 views

mount LVM2 dump or extract files

I have a dump of a filesystem. I dont know how it was created. I want to extract all the files and the filestructure. file dump.bin says it is a LVM2 PV (Linux Logical Volume Manager) file and prints ...
1 vote
1 answer
3k 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 ...
1 vote
1 answer
2k 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 ...
0 votes
3 answers
645 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)...
0 votes
1 answer
193 views

Detecting database breach

I wonder about detecting database breach. Currently, I use auditd to detect making database dump with mysqldump. I wonder what more can I do to detect potential database breach. Thanks for any ideas!
0 votes
1 answer
3k views

Page files and dump files and D: drives on Windows Server 2008

I have a Windows 2008 server with 7.5 GB of RAM and I want to get complete crash dumps off it. I started by moving the page file mostly off the C: drive - I left a small 64-MB page file on the C: ...
1 vote
1 answer
2k 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 ...
0 votes
1 answer
2k 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 ...
1 vote
1 answer
1k 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 ...
0 votes
1 answer
330 views

Automating GDB memory dumps [closed]

I'm trying to dump memory from a process on my Linux machine using GDB, but I'm trying to automate this using a script. So far I've been using the following commands (example): $ gdb --pid [pid] (gdb) ...
43 votes
3 answers
69k views

Export and import a PostgreSQL database with a different name?

Is there a way to export a PostgreSQL database and later import it with another name? I'm using PostgreSQL with Rails and I often export the data from production, where the database is called ...
0 votes
1 answer
247 views

Dump an external database in Kubernetes

I have created a Kubernetes CronJob (in AKS) to run a database dump (the database is not located inside the Kubernetes cluster). This CronJob create a Job each day which will dump the database in a ...
0 votes
1 answer
547 views

Windows 2016 rebooting randomly bugcheck dump file

Windows 2016 server reboots randomly, about once a week. Any ideas? here is the memory dump log Bugcheck Analysis * * ...
1 vote
4 answers
2k views

How to dump the GPT under Ubuntu Lucid?

Is there a tool on Ubuntu Lucid which can dump the GPT (GUID partition table) of a block device in a human-readable form? The most important information I'm interested in is the byte offset of each ...
1 vote
0 answers
48 views

ext4 restore backup: deleteino: out of range 0

I'm trying to use (dump) restore -command to restore linux ext4 file system from an incremental backup. I'm using a hanoi tower strategy to make the backups, and the dumps look like as follows, sorted ...
4 votes
5 answers
4k views

Using the CTRL - SCROLL LOCK key combination to cause a system dump

We have a Windows 2008 r2 server that we connect to via Remote Desktop Connection. We want to use the "Crash on Ctrl-ScrollLock" key combination as described here (a vendor is asking us to send ...
0 votes
1 answer
582 views

why /var/spool/abrt/ folders not deleted

we try to delete all abrt folders as the following ( on redhat Linux machines ) find /var/spool/abrt/* -type d -exec abrt-cli rm '{}' \; rm '/var/spool/abrt/ccpp-2018-09-03-14:52:11-5653' rm '/...
0 votes
0 answers
5k views

Not able to pg_dump due to permission, despite having root permissions

I am trying to run this command sudo pg_dump -U bm_clients -Z 9 -v baydb |aws s3 cp - s3://thebay.com/bay.dump.gz The output is as follows: pg_dump: reading extensions pg_dump: identifying extension ...
0 votes
0 answers
815 views

SQL Server generating 1G dump files

I have a SQL Server generating large dump (mdmp) files, some of them are 1 GB in size, these are generated daily, sometimes 2 or 3 in a single day. This server is used heavily for PowerBI reports. ...
0 votes
2 answers
390 views

Cannot back up my database

I am trying to backup my MySQL 8 database with the command line below but I got an error message. How to make the backup ? ubuntu@www-example-com ~ $ mysqldump -u root -p www_example_com > /var/www/...
4 votes
2 answers
7k 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 ...
15 votes
2 answers
31k views

How to get a core dump from apache when segfaulting

I've followed instructions from many locations online on how to get a core dump from apache when it is producing a segfault, but it still refuses to generate the dump. I have: Added the ...
3 votes
2 answers
3k 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.
1 vote
2 answers
2k views

Where are "Debug Dump Files" located in windows?

Windows has a tool called "Disk Cleanup" (German: Datenträgerbereinigung). There it lists "Debug Dump Files" which can be deleted. Unfortunately it doesn't tell me which files are meant. It can't be ...
5 votes
1 answer
12k 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 ...
0 votes
0 answers
387 views

Handling and making use of large .DMP file

I've been investigating an issue relating to a Citrix server being managed by ourselves, it appears to have bluescreened and rebooted itself but as such, I wanted to investigated and identify exactly ...
0 votes
1 answer
467 views

sysctl kernel core pattern not working with ~

I'm trying to put core dumps in home directory but for whatever reason a core pattern starting with ~ does not work while using full path works just fine. Can't seem to find this rule in docs. Not ...
3 votes
2 answers
1k views

SVN repo 3 times smaller after dumping/loading

I have a repo on an old svn server running on RHL9. svn version is 1.1.4. The repo is 1.1GB large (du -sh $REPO), its full dump is 1.7GB large. I load the dump on a recent svn server running on ubuntu ...
0 votes
0 answers
108 views

Error in AWS RDS DUMP

When I take database dump from AWS RDS, it is not throwing any error but when i restore dump;found some tables are missing from it.I also tried echo $? and it showing exit status 2. Please advise.
1 vote
1 answer
573 views

Modify source IP from a package dump

I have a dumped several packages udp and I am trying to tcpreplay it. The issue is that the source is from a different network and I want to modify or redump by changing the source IP. I have done ...
0 votes
1 answer
638 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 ...
13 votes
2 answers
15k 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?
-2 votes
1 answer
3k 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 ...
12 votes
5 answers
36k views

How to install Oracle's exp / imp binaries

I was browsing the net to find a solution, but I had no luck. :( How can I install Oracle's imp / exp binaries to my CentOS box without installing an Oracle Server? I'm accessing an existing Oracle ...
0 votes
2 answers
123 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 ...
0 votes
1 answer
133 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, ...
0 votes
1 answer
812 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 ...
0 votes
1 answer
997 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: ...
2 votes
2 answers
903 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 ...
4 votes
2 answers
11k 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: ...
0 votes
1 answer
117 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 ...
6 votes
2 answers
30k views

PHP-FPM and continuos "exited on signal 11"

I've a Hp web server with Xeon E5504 2ghz and 8gb ram, with freebsd 8.2-p9 amd64, nginx 1.2.1, PHP 5.3.14, mysql 5.5.25, apc, memcached and other package installed using freebsd ports. (conf file at ...
2 votes
1 answer
8k 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 ...
0 votes
0 answers
759 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, ...
0 votes
1 answer
760 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 ...
4 votes
1 answer
2k 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 ...
2 votes
3 answers
8k views

How to remove the OpenSolaris ZFS dump device

The ZFS dump device is used only for debugging problems. In this case, I have decided the risk vs reward is such that I should delete the dump device to make room for other storage. I am able to ...
0 votes
4 answers
1k views

What's the meaning of consistent dataset? (MySQL)

I do daily backups of my mysql databases with mysqldump+scheduled tasks but, as i can read on this answer, mysqldump does not guarantee a consistent dataset... what's the meaning? That means that if ...