fixed size

Whether you care or not, Java Web applications use a thread pool more or less to process requests. The implementation details of the thread pool may be overlooked, but the use and tuning of the thread pool will need to be understood sooner or later.

One what is the Smon process The systemmonitor performs recovery when a failed instance starts up again. In a oraclereal application clusters database, the Smon process of one instance Canperform instance for other Stances that have failed. Smon

Objective In the previous article Arrayblockingqueue source analysis, the JDK in the Blockingqueue has done a review, while the Arrayblockingqueue core methods are described, Linkedblockingqueue as a member of the Blockingqueue family series in JDK

Description In the actual production environment, the CentOS 5.x series is still the preferred system for many server builders As of the current CentOS 5.x latest version of CentOS 5.10, the following describes the CentOS 5.10 of the specific

Memory is the center of modern computer operation (actually not cpu!). Memory has a large set of words or bytes, and each word or byte has an address. The CPU extracts instructions from memory based on the program counter. The memory that the CPU

Linux C Obstack and linuxobstack   Introduction to Obstack Obstack Initialization Object applied in Obstack Release object Apply for growing object Get Obstack status Data AlignmentThe following is an introduction to obstack from wiki: Obstack is

Regardless of whether you are concerned, Java Web applications use a thread pool to handle requests more or less. The implementation details of the thread pool may be overlooked, but the use and tuning of the thread pool is something that needs to

Differences between using a thread pool and not using a thread poolLet's take a look at the difference between using the thread pool and not adapting to the thread pool, the first piece of code is using the thread pool:PublicStaticvoidMain (string[]

Regardless of whether you are concerned, Java Web applications use a thread pool to handle requests more or less. The implementation details of the thread pool may be overlooked, but the use and tuning of the thread pool is something that needs to

OracleIn database operations, the database can be setArchive ModeAndNon-archive Mode. Archive mode stores all transaction logs, including redolog and archivelog, but not archive mode only records redolog. We often set it to archive mode and

Small ora-29250 case after modifying spfile in rac Environment Environment: Operating System: CENTOS6.4 64BIT Database: rac oracle 11.2.0.3 64BIT   An error occurs after the database is started. The filesystemio_options parameter has been modified

In actual operations, the Oracle database backup and recovery advanced options are mainly divided into two steps, including exporting multiple related fixed size files. And how to use N multiple fixed size files to import the actual operation steps.

A buffer is a piece of data that is being read from a channel that is about to be written to or just out of the channel. It is an object that holds data and plays the end of the NIO channel. Buffers provide a formal mechanism for data access and

When I used SQL statement statements to create a tablespace, I was so anxious to delete the created file. The problem arises. Sysdba can log on, but ld appears in use. When I used SQL statement statements to create a tablespace, I was so anxious to

7.1 Node DiscoveryStart Elasticsearch, the node will look for the same cluster name and courseware of the master node, if there is joined, did not become the master node, responsible for the discovery of the module two purposesSelecting the master

Method 1: Scale by fixed proportion When developing image browsers and other software, it is often necessary to display the thumbnail of an image. In general, we need to take a thumbnail of the image according to a fixed size, generally, the

Ora-29250 small case, spfileora-29250 after modifying spfile in rac Environment Original Works are from the "Deep Blue blog" blog. Be sure to indicate the source when reprinting. Otherwise, you have the right to pursue legal liability for copyright.

Sed cultivation series (III): Implementing window sliding technology for sed advanced applications, sed window Directory:1. What is slide window Technology?2. Achieve window sliding2.1 slide the window through the "s" command2.2 Save the window with

Note: In the actual production environment, the CentOS 5.x series is still the preferred system for many server loaders. The latest version of CentOS 5.x is CentOS 5.10. The following describes how to install and configure CentOS 5.10. The server

Ienumerable Public enumeration number, which supports simple iteration on a non-generic set. This interface defines only one function: getenumerator, which returns the number of enumerations of a cyclically accessed set. To support foreach