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1answer
155 views

increasing disk space for mysql data volume

I have a master mysql server which has approached 80% of the available disk space. Total disk space size is 200GB. Though, it's not an immediate concern but I have to deal with at some point soon. the ...
2
votes
2answers
26 views

Disk size and log file growth during upgrades

I have four SQL Server databases. Per the maximum load requirements, each database file can be between 1 and 2 TB in size. The HDD is a multi-disk DAS with about 9TB of space. During a database ...
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0answers
16 views

Running out of disk space when removing documents error

I'm trying to remove unused document from a production instance of MongoDB but, when I try to execute this query: db.collection.remove( { date: {$lt: new Date((new Date())-1000*60*60*24*90)} } ) ...
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0answers
45 views

selecting from information_schema increases free disk space

Some background: There are 3 database servers - two in a master/master replication config with only one server accepting writes. And one other slave replica replicating from the write-master. The ...
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0answers
28 views

PostgreSQL suddenly using all my disk space

Today I fired up my linux mint via my virtual computer (host is windows 8), left for 30 minutes, and when I was back, I got an error saying I was out of disk space. Yesterday I had about 20 free GB ...
3
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2answers
202 views

What is the difference between Used and Allocated space?

I am learning Database operations and I have found a couple of resources online that have given me a loose understanding, but I still couldn't explain the difference myself. Explain like I am five ...
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0answers
17 views

Options for reducing transaction log size when disk space is restricted [duplicate]

I have a very unfortunate situation in which I have some SQL Server (standard edition) databases living on a small (~120gb) disk, and a transaction log which has grown to 50gb+. Unfortunately, the ...
-1
votes
2answers
55 views

how can I delete records when my disk drive is full?

My data folder of SQL as filled up the space of my local drive. I have 150KB free space left in the drive. So I have to delete some records to regain space. But when I run the delete query it says ...
0
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1answer
27 views

postgres: WAL files not being deleted during PITR

I have got an issue with setting up PITR on my postgres server: WAL archiving and restoring works quite well, as well as restoring to a specific point in time. The issue however is, that if i do a ...
0
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1answer
46 views

Why can't I get the available free space after shrinking?

My disk drive was full. So I deleted some records. Then I tried to shrink and it indicated available free space of around 5GB as indicated in the below image. Once I ran the shrink for data file, ...
0
votes
1answer
18 views

Old Data on SFTP [closed]

There are several old files on an sftp of mine that date back to two years ago. These files are ingested into a MySQL database. I am wondering what to do with the old raw files. The reason I am asking ...
2
votes
1answer
24 views

Handling Recovery of Disk Space in MySQL and MongoDB

So I have worked with MySQL all my life (not as a DBAdmin, but a programmer), and I have some limited knowledge about maintaining MySQL databases. Recently a portion of our database has been moved to ...
0
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1answer
84 views

SQL Server : low disk space impacts CPU?

Is there any relation between disk space and CPU utilization? We experienced the issue with very high CPU utilization on SQL Server 2008. At the same time, we were in lack of free space on the ...
2
votes
3answers
392 views

Monitoring free space in SQL Server data files

I have manually resized mdf/ndf files to a big size to avoid autogrow operations on SQL Server databases. Since the files are bigger there is very little free space on disk partitions and the ...
2
votes
1answer
49 views

Controlling how tempdb activity is split across drives (tempdb on both solid state and spinning drives)

I'm seeing the following tempdb I/O behavior over a one hour period: There is a fair amount of disk I/O generated by multiple DW workloads executing on the machine, some of which cannot fit in the ...
5
votes
3answers
481 views

Get MS SQL Server to release disk space

A poorly managed database table has grown to be enormous. 48+gigs of orphan records. I am trying to clean it up and put my dangerously full hard drive back to a normal state. I will be deleting approx ...
20
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4answers
12k views

Measure the size of a PostgreSQL table row

I have a PostgreSQL table. select * is very slow whereas select id is nice and quick. I think it may be that the size of the row is very large and it's taking a while to transport, or it may be some ...
0
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1answer
71 views

SQL Server 2012 enlarge database space

I tried to enlarge a database size of database instance on my SQL Server 2012. I manually added a new .MDF file under database instance After restart on shrink database dialog I can see available ...
0
votes
1answer
55 views

Analyse and report disk usage growth historically

Is it possible to use historic information to show disk usage growth? I haven't keep much in the way of database setup and disk usage information. So I can't say how much disk growth has occurred in ...
5
votes
1answer
2k views

VACUUM returning disk space to operating system

VACUUM usually does not return disk space to operating system, except in some special cases. From the docs: The standard form of VACUUM removes dead row versions in tables and indexes and marks ...
0
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2answers
55 views

What causes disk space growth from Informatica load onto SQL Server?

We've been dealing with huge disk growth on SQL Server from Informatica. After the load, the database grows to 2.4TB. After the database shrink, it goes to 1.05TB. What could likely cause this to ...
0
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0answers
61 views

Instance consuming large amount of disk space

I have an environment that is Microsoft Server 2000 and Microsoft SQL Server 2000. The database has a file size of 112 GB. The total size of the disk is 122GB. For some reason in less than a few ...
2
votes
1answer
114 views

Postgres: check disk space taken by materialized view?

I know how to check the size of indexes and tables in Postgres (I'm using version 9.4): SELECT relname AS objectname, relkind AS objecttype, reltuples AS "#entries", ...
1
vote
1answer
360 views

DB disk space requirements comparision between MySQL versions

I have 2 labs where MySQL is installed. DataBases are created and deleted dynamically by certain internal processes. InnoDB is the Engine used. In one lab, MySQL version 5.0.77 is installed. The DB ...
0
votes
1answer
81 views

Alter column opreation failed due to disk space in SQL Server

When i apply alter column on table, it full log file and disk too, and fails alter operation. Why this happened even table size is less than free disk? Can anyone please suggest a way to complete this ...
1
vote
1answer
74 views

DB2 Indexes are taking very large size on disk space

I have huge table in DB with estimated size 7 GB (I saw that using DB2CC and did the action Estimate Size for that Table). In estimate size dialog I noticed that two of my indexes for that table ...
3
votes
1answer
133 views

How do completely empty columns in a large table affect performance?

I have 400 million rows in a Postgres db, and the table has 18 columns: id serial NOT NULL, a integer, b integer, c integer, d smallint, e timestamp without time zone, f smallint, g timestamp without ...
0
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0answers
62 views

How calculate per tenant disk usage in a multitenant database with tenant_id columns?

I would like to provide forum hosting as a service, for forum software I'm developing. The data is stored in a PostgreSQL database, in tables with a forum_id column. That is, all forums share the same ...
3
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2answers
210 views

Moving data from table with VARCHAR(50) fields to table with numeric fields increases table size

I want to understand why migrating data in a table with all VARCHAR(50) fields to a table with optimized smaller types caused the new table (containing 61,065,164 rows) to be 4.46 GB, which is larger ...
8
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2answers
1k views

What effect will reducing the size of a varchar column have on the database file?

We have a number of tables in our database that have VARCHAR(MAX) columns where a VARCHAR(500) (or something much smaller than max) will suffice. Naturally I want to clean these up, and get the sizes ...
1
vote
1answer
122 views

PostgreSQL: Foreign key on string column

I'm currently in a process of redesigning a legacy database. One of the tables primary key is a varchar(254). I need to create a table relating to it. So for example: create table "Item" ( ...
0
votes
2answers
88 views

Will reindexing use the empty space or just grow table?

I have a table which is 170 GB and it has 98 GB of free/empty space. The free space was created by a massive deletion. If I run DBCC REINDEX or ALTER INDEX REBUILD, will the index use that free space ...
4
votes
3answers
337 views

Disk Space usage

Is there a way i can get a report or create a custom report in sql server 2012 which can update me with disk space available & actual disk space for listed drives twice or once a day. I need this ...
3
votes
1answer
84 views

reporting space consumption to files in filegroup - how to reverse-engineer the algorithm spreading data across files

I would like to know how to calculate the distribution of data consumed per file in a filegroup, back to the index (HEAP, CLUSTERED, NONCLUSTERED) storing it. My intention is to define which I/O goes ...
2
votes
1answer
88 views

MongoDB - real disk usage is LOWER than dbStats.storageFile

I'm a bit surprised by what I observe in my mongo server, so I would like to know if anybody understand how this is possible. I have one collection of around 15K documents. For each of them, I store ...
2
votes
3answers
604 views

Releasing Free Space

I am running a rather large database on SQL Server 2008 R2 Express. Recently I hit the 10GB limit, so the system would not allow me to create anymore objects, ect.. I have archived off a very large ...
2
votes
2answers
358 views

space usage on sys.allocation_units and sp_spaceused

It is a known fact that the DMVs dont hold accurate information regarding number of pages and count of rows. However, when you have the stats updated, I can't see why they wouldn't. I am working on a ...
3
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2answers
4k views

Freeing disk space after dropped database

I'm working on a dev system, and I have been restoring to a database, say "foo", that I'm using for dev purposes. As I'm working through the kinks, I've just been running DROP DATABASE foo. However, I ...
0
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2answers
1k views

Is it normal for tempdb to not give up disk space when it releases things?

So my tempdb is getting huge. Like 200+ GB. USE tempdb GO EXEC sp_spaceused database_name database_size unallocated space tempdb 211668.88 MB 206803.45 MB It's using a SIMPLE ...
0
votes
1answer
82 views

EMStagePatches_$ORACLE_SID is using up space

We have this directory: $ORACLE_HOME/EMStagePatches_$ORACLE_SID We are running out of space and this directory is using up a lot of space. Is it safe to delete it? I think it is something to do ...
0
votes
1answer
345 views

Workaround to avoid read-only table locking during execution of MySql OPTIMIZE command

We need to optimize a large table (on a weekly basis) in order to reclaim disk space, since records are being deleted regularly from the table. The table in question is an InnoDB table and the ...
2
votes
2answers
1k views

Disk space recovery on Mongodb replicaset secondaries

Is it possible to recover disk space on replica set secondaries based on the results of a repairDatabase call performed on a primary? I can't seem to locate anything that would work short of bringing ...
8
votes
2answers
6k views

How to delete a Backup from a backup set in SQL Server 2008 R2

The title pretty much sums it up. We are running out of space on our backup disks, and need to remove old backups out of the set. I can't seem to find any information on this.
5
votes
1answer
211 views

For alignment optimized table is bigger than original table - why?

In another question I learned that I should optimize the layout from one of my tables to save space and have better performance. I did this, but ended up with a larger table than before and ...
1
vote
1answer
89 views

postgresql 9.1 failed insert occupies increasing disk space

I have a postgresql 9.1 installation where the available disk space is very low (20Gb) however there is only one client that inserts data in various tables (typically one entry every few minutes) and ...
3
votes
1answer
137 views

How do databases deal with file system fragmentation?

Especially analytic databases that try to optimize for queries that scan large portions of tables instead of randomly accessing specific rows. For example Redshift has a concept of a sort key that, ...
3
votes
3answers
147 views

Log File Management - Space on Disk

At our organisation we have several non-Production environments where Developers run free and wild with TSQL code and databases. The DBA team do not normally monitor or maintain them. Recently several ...
1
vote
1answer
122 views

Detailed optimal column order with large text and bytea

I read this excellent answer on optimal column ordering and noticed the summation: Generally speaking, if you put the 8-byte-types first then the 4-byte-types and the 2-byte-types last you can't ...
1
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2answers
240 views

How do I track why my SQL Azure occupied space pulsates?

This is inspired by this StackOverflow question. I have this code: SELECT CONVERT(INT, SUM(reserved_page_count) * 8 / 1024) FROM sys.dm_db_partition_stats for detecting database space consumption ...
2
votes
1answer
851 views

Is DBCC SHOWFILESTATS an accurate way to see unused space?

We have a few tables each with near 100 million rows of data. A co-worker has these tables setup with partitions based on a date field. Our disk space is starting to run low and knowing that ...