Database performance issues

Oct 13, 2025 by wbrum.org 20 views

Introduction

Oracle Data Pump Import (impdp) is a powerful tool for importing data into an Oracle database. However, like any other tool, it can encounter errors that can be frustrating to resolve. One such error is the UDI-31623 error, which can occur when there is limited space available in the database. In this article, we will discuss how to fix the UDI-31623 error in Oracle.

Understanding the UDI-31623 Error

The UDI-31623 error is a common error that occurs when the impdp utility is unable to allocate sufficient space to complete the import operation. This error can occur due to various reasons such as:

Limited disk space: If the disk space available in the database is limited, the impdp utility may not be able to allocate sufficient space to complete the import operation.
Incorrect configuration: If the impdp utility is not configured correctly, it may not be able to allocate sufficient space to complete the import operation.
Corrupted data: If the data being imported is corrupted, the impdp utility may not be able to allocate sufficient space to complete the import operation.

Symptoms of the UDI-31623 Error

The UDI-31623 error can manifest in different ways, including:

Error message: The impdp utility will display an error message indicating that there is not enough space available to complete the import operation.
Import failure: The impdp utility will fail to complete the import operation, and the data will not be imported into the database.
Database performance issues: The UDI-31623 error can also cause performance issues in the database, including slow query execution and increased CPU usage.

Causes of the UDI-31623 Error

The UDI-31623 error can be caused by various factors, including:

Limited disk space: If the disk space available in the database is limited, the impdp utility may not be able to allocate sufficient space to complete the import operation.
Incorrect configuration: If the impdp utility is not configured correctly, it may not be able to allocate sufficient space to complete the import operation.
Corrupted data: If the data being imported is corrupted, the impdp utility may not be able to allocate sufficient space to complete the import operation.
Database fragmentation: If the database is fragmented, the impdp utility may not be able to allocate sufficient space to complete the import operation.

Resolving the UDI-31623 Error

To resolve the UDI-31623 error, you can try the following steps:

Step 1: Check Disk Space

The first step in resolving the UDI-31623 error is to check the disk space available in the database. You can use the following SQL command to check the disk space:

SELECT * FROM v$storage_limit;

This command will display the current disk space usage and the available disk space.

Step 2: Increase Disk Space

If the disk space available in the database is limited, you can try increasing the disk space by adding more storage to the database. You can use the following SQL command to add more storage to the database:

ALTER DATABASE DATAFILE 'file_name' RESIZE 100M;

Replace 'file_name' with the name of the data file that you want to resize.

Step 3: Check Configuration

The next step in resolving the UDI-31623 error is to check the configuration of the impdp utility. You can use the following SQL command to check the configuration:

SELECT * FROM dba_datapump_jobs;

This command will display the current configuration of the impdp utility.

Step 4: Correct Configuration

If the configuration of the impdp utility is incorrect, you can try correcting it by modifying the following parameters:

LOGFILE: Set the LOGFILE parameter to a valid file name.
DIRECTORY: Set the DIRECTORY parameter to a valid directory name.
DUMPFILE: Set the DUMPFILE parameter to a valid file name.

You can use the following SQL command to modify the configuration:

BEGIN
  DBMS_DATAPUMP.CREATE_JOB (
    job_name        => 'import_job',
    operation      => 'IMPORT',
    job_mode       => 'FULL',
    log_file_size  => 10000000,
    log_file_count => 10,
    parallelism    => 4,
    parallel_degree => 4,
    max_dump_file_size => 10000000,
    dump_file_size => 10000000,
    dump_file_count => 10,
    dump_file_name => 'import_file.dmp',
    dump_file_directory => 'import_directory',
    log_file_name => 'import_log.log',
    log_file_directory => 'import_directory',
    dump_file_compression => 'MEDIUM',
    dump_file_compression_ratio => 10,
    dump_file_compression_level => 10,
    dump_file_compression_algorithm => 'LZ',
    dump_file_compression_checksum => 'YES',
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum_size => 10,
    dump_file_compression_checksum_ratio => 10,
    dump_file_compression_checksum_level => 10,
    dump_file_compression_checksum_algorithm => 'SHA1',
    dump_file_compression_checksum<br/>
**Q&A: How to Fix UDI-31623 Error in Oracle**
=============================================
Q: What is the UDI-31623 error in Oracle?
A: The UDI-31623 error is a common error that occurs when the impdp utility is unable to allocate sufficient space to complete the import operation.
Q: What are the causes of the UDI-31623 error?
A: The UDI-31623 error can be caused by various factors, including:

Limited disk space: If the disk space available in the database is limited, the impdp utility may not be able to allocate sufficient space to complete the import operation.
Incorrect configuration: If the impdp utility is not configured correctly, it may not be able to allocate sufficient space to complete the import operation.
Corrupted data: If the data being imported is corrupted, the impdp utility may not be able to allocate sufficient space to complete the import operation.
Database fragmentation: If the database is fragmented, the impdp utility may not be able to allocate sufficient space to complete the import operation.

Q: How can I resolve the UDI-31623 error?
A: To resolve the UDI-31623 error, you can try the following steps:
Step 1: Check Disk Space
The first step in resolving the UDI-31623 error is to check the disk space available in the database. You can use the following SQL command to check the disk space:
SELECT * FROM v$storage_limit;
</code></pre>
<p>This command will display the current disk space usage and the available disk space.</p>
<h3><strong>Step 2: Increase Disk Space</strong></h3>
<p>If the disk space available in the database is limited, you can try increasing the disk space by adding more storage to the database. You can use the following SQL command to add more storage to the database:</p>
<pre><code class="hljs">ALTER DATABASE DATAFILE &#39;file_name&#39; RESIZE 100M;
</code></pre>
<p>Replace 'file_name' with the name of the data file that you want to resize.</p>
<h3><strong>Step 3: Check Configuration</strong></h3>
<p>The next step in resolving the UDI-31623 error is to check the configuration of the impdp utility. You can use the following SQL command to check the configuration:</p>
<pre><code class="hljs">SELECT * FROM dba_datapump_jobs;
</code></pre>
<p>This command will display the current configuration of the impdp utility.</p>
<h3><strong>Step 4: Correct Configuration</strong></h3>
<p>If the configuration of the impdp utility is incorrect, you can try correcting it by modifying the following parameters:</p>
<ul>
<li><strong>LOGFILE</strong>: Set the LOGFILE parameter to a valid file name.</li>
<li><strong>DIRECTORY</strong>: Set the DIRECTORY parameter to a valid directory name.</li>
<li><strong>DUMPFILE</strong>: Set the DUMPFILE parameter to a valid file name.</li>
</ul>
<p>You can use the following SQL command to modify the configuration:</p>
<pre><code class="hljs">BEGIN
  DBMS_DATAPUMP.CREATE_JOB (
    job_name        =&gt; &#39;import_job&#39;,
    operation      =&gt; &#39;IMPORT&#39;,
    job_mode       =&gt; &#39;FULL&#39;,
    log_file_size  =&gt; 10000000,
    log_file_count =&gt; 10,
    parallelism    =&gt; 4,
    parallel_degree =&gt; 4,
    max_dump_file_size =&gt; 10000000,
    dump_file_size =&gt; 10000000,
    dump_file_count =&gt; 10,
    dump_file_name =&gt; &#39;import_file.dmp&#39;,
    dump_file_directory =&gt; &#39;import_directory&#39;,
    log_file_name =&gt; &#39;import_log.log&#39;,
    log_file_directory =&gt; &#39;import_directory&#39;,
    dump_file_compression =&gt; &#39;MEDIUM&#39;,
    dump_file_compression_ratio =&gt; 10,
    dump_file_compression_level =&gt; 10,
    dump_file_compression_algorithm =&gt; &#39;LZ&#39;,
    dump_file_compression_checksum =&gt; &#39;YES&#39;,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_compression_checksum_level =&gt; 10,
    dump_file_compression_checksum_algorithm =&gt; &#39;SHA1&#39;,
    dump_file_compression_checksum_size =&gt; 10,
    dump_file_compression_checksum_ratio =&gt; 10,
    dump_file_com</code></pre>


                
                    
                        

                    
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