cache

A database complicates the matter, because it caches some disk writes, which may result in an inconsistent snapshot.

Thrawn also began to secure secret caches of cloned agents throughout the galaxy, ready to answer his call.

The Best Practice is to look at your performance architecture with new eyes and see if you can benefit from very large in-process caches.

After half a year after the general caches, almost undetectable wine of sulfide, make the existing liquor irritating greatly relieved.

This request could not be forwarded to the origin server or to any parent caches.

Because of this, it is possible for data in the near caches to get out of sync both with each other and the main ObjectGrid cache.

This way, every component of a certain type would get its own reference cache that won't conflict with any other component's caches.

On target machines that have instruction caches, GDB requires this function to make certain that the state of your program is stable.

The company setups up a NAS-like local device that caches data from its encrypted cloud storage for faster performance.

The data access provider downloads the name of the current mirror server, Partner_C, and caches it as the current failover partner name.

You can also work with a service provider that specializes in providing caches in points of presence close to concentrations of your gamers.

Because, by default, all caches have entries, modifying this has no effect unless you delete the cache entries later on in the file.

You know those Arctic explorers who leave caches of food scattered on the route to the North Pole?

The response headers are the only additional information that WebSphere Portal provides for caching in remote caches.

But some caches are typically designed for a standalone environment, and can only work within one JVM instance.

Do not read too much information into memory; rather, use caches to hold important information.

All caches have a set of rules that they use to determine when to serve a representation from the cache, if it's available.

It enables administrators and developers to look more closely at the caches used within the system.

In other words, the browser caches the latest request it had served, and reissues it when the user hits the page refresh key.

If ignore access control in caches is set to false for a portal page, a completely rendered page will not be cacheable at all.

Most caches are implemented using the Singleton pattern involving a static reference to a top level Cache class as shown in this example.

The WPF lets you to divide your caches logically across multiple JVMs so that you are not limited by the size of a single heap.

For read-only data, one of the in-memory caches might be enough.

Larger caches allow for more data to be buffered, meaning that longer periods of saturation can be accommodated.

Data caches can be used for caching data with change rates that are below the page request rate.

Approach: All caches need to be converted to a distributed cache to take advantage of effective sharing.

It would in principle be possible to have separate instruction and data caches, storing data and instructions separately.

In addition, there has been a significant increase in the number of weapons caches found.

Arms caches were cleaned out of the main monasteries, and key conspirators were arrested.

The plugin page gives you zero information about the plugin except for a basic description and that it caches.

The client downloads the name of mirror server, Partner B, and caches it, ignoring the client-supplied failover partner name.

System operators and developers can then configure each of these named caches differently using the Enterprise Library configuration tools.

Every time a user makes some changes through the Web application interface, XML or response caches must be checked for dependencies.

Tuning these caches for your specific environment is vital to a well performing portal.

The only invalidation mechanism that WebSphere Portal uses for remote caches is expiration timeout.

Two young teenage boys found one of his caches whilst playing in the woods.

Pages with such portlets on it may be a good candidate for being stored and served from caches.

Caches almost always take the form of object maps with an upper size limit.

If your code caches security information, make sure that you review it for this vulnerability.

Marines and Iraqi troops are conducting daily operations in and around Hit in search of weapons caches and insurgent activity.

SWT and JFace provide several different classes to help manage your GDI resources in various caches.

Furthermore, database caches and transactions can be automatically tied with the application state in Seam.

We see a much cleaner syntax for defining these functions, which can be optimized for performance by opcode caches.

Opcode caches have long been popular for PHP, with some of the first ones coming about back in the heyday of PHP V4.

This meant a task could be scheduled on any processor -- which can be good for load balancing but bad for memory caches.

The Framework caches SSL sessions as they are created and attempts to reuse a cached session for a new request, if possible.

In these caches, you might insert a small amount of code in a few key areas and use ObjectMap APIs to cache data.

These smaller partitions are divided in a way that matches the location of the data in the near-caches.

Retrieves the last child element of the specified AutomationElement and caches properties and patterns.

However, when the application is clustered and a cluster aware cache is needed, the local read-only caches are not enough.

WAS Cache Analysis provides a summary of the application server provided caches, showing their size, occupancy, and retained memory.

You can't allocate more memory to buffers and caches than exists in the system, so tuning often involves making compromises.

The Paris caches serve as a production experiment and test bed for future cache developments, which are currently being studied.

The example is simple, but running this same code on multiple machines in a network will result in their caches being consistent.

Used to initialize the synchronization of internal freespace caches for heaps.

Both types of caches act as a giant hashtable, where each item in the cache is referenced by a unique string.

The number of seconds that the ObjectDataSource caches the results of a SelectMethod property invocation.

Caches cannot be shared among different application domains.

Such a system would have separate caches for each bus.

Large distributed WebSphere eXtreme Scale caches can also be shared by multiple OpenJPA- or Hibernate-using process instances.

When password based authentication occurs, the runtime caches the password as a one way hash for future validation.

The MCS caches device information, which can result in erroneous behavior if the user-agent is swapped during the same session.

This iterator adaptor caches the result of dereferencing the underlying iterator.

These settings are used to specify the settings for caches that do not have their own entries in the file.

A dynaset caches only an integral index to the original data and thus offers a performance gain over a snapshot.

But recall that today's drives have very large caches and can put write operations out of order.

WebSphere Portal attaches these values to a portal response concerning caches.

The services and applications can then prepare for the backup by cleaning up on-disk structures and by flushing caches and log files.

Google caches copies of our blog postings; social-networking sites thrive by archiving our daily dish.

To make the application scale out, you must ensure that memory caches are not used for correctness reasons.

Finally, XSLT has its own limitations, so I'll show you how to use the System. Xml classes that optimize XML caches.

Reverse and forward proxy servers typically act as these shared caches in a portal server environment.

Linux caches library location information for dynamically linked programs to improve performance.

The Expires HTTP header is a basic means of controlling caches; it tells all caches how long the associated representation is fresh for.

From a design point of view, the basic components are a CacheManager that holds and controls collections of Caches.

Then, WebSphere Portal caches the HTML content generated by the portlet for the time defined in the tag.

The entry-level, midrange, and enterprise-level caches classified by the cache-ability all belong to shared caches.

Harvard architectures tend to be targeted at higher performance systems, and so caches are nearly always used in such systems.

Public Allows the response to be cached by clients and shared (proxy) caches.

Data is retrieved from the Location Data Provider -- a Data Abstract Layer (DAL) component -- which caches all locations in memory.

Scenarios for overriding this method might include if your derived class has a specialized style selector, or caches style values.

By default, class caches are created with user-level security, so only the user that created the cache can access it.

Though you can safely ignore these caches, manual creation steps are described here for forward compatibility purposes.

There are a number of JVM utilities to manage active caches, which the section entitled " Shared classes utilities" discusses.

When a specific cache invalidation is required they use Redis messaging to publish removal notices to the "L1" caches.

The Netlogon service caches the domain controller information so that subsequent requests do not need to repeat the discovery process.

JFace provides the classical solution: a central shared registry that caches images and image descriptors.

Also, HTTP proxy caches can correctly cache different states of the same portal page depending on the URL.

Users are discovering that Web caches can solve both problems and provide an additional layer of defense against hackers.

The application caches the results of the query or dynamic content generated from the query results.

After initial access, these pages are served from those caches at the same speed as conventional static Web sites.

While we do not mandate a distributed cache topology we have paid careful attention to distributed caches.

Organizations or participants can "hide" items called caches that others can then discover and interact with.

A user who has been assigned offline files for administrative purposes caches content on every computer the user logs on to.

It caches these compiled scripts as a series of opcodes to avoid the parse and compile steps for every request.

To improve performance, the regular expression engine caches all regular expressions in memory.

Facebook caches everything (or almost everything) in memory. Facebook has to do this to render pages complete with news feeds quickly.

To circumvent this, hardware vendors provide large L3 caches, but this is only a limited solution.

When the Microsoft Exchange System Attendant starts, it caches the distinguished name of the local computer.

Plus, pureQuery lets you use the full power of SQL on Java collections and database caches.

It employs policy cache and two levels of attribute caches , which can remarkably accelerate decision speed.

At higher clock speeds, caches are useful as the memory speed is proportionally slower.

Exchange then prepares for the backup by cleaning up on-disk structures and flushing caches and log files.

When creating the caches for clustering, leave the scope set to the cell in which the cluster will operate.

Almost all caches use Last-Modified times in determining if an representation is fresh; ETag validation is also becoming prevalent.

If you are concerned about conserving hard disk space, note that Analysis Services retains mining structure caches locally.

To minimize overhead and enhance performance, SqlClient caches the MARS session within a connection.

This policy level indicates to intermediate caches that they should also remove the resource.

Both Terracotta and Oracle sell distributed caches and we intend to use this API to be useful to using them.

This policy level indicates to intermediate caches that they should remove the resource.

The directives specify behaviors intended to prevent caches from adversely interfering with the request or response.

Once the program caches the data, it erases the data fields rather than refreshing the screen, similar to Ajax.

The filesystem driver updated the appropriate metadata, but didn't have time to flush the data from its caches to the new blocks on disk.

Do your applications leave unsecured caches of confidential data on a local machine?

Gadhafi's weapons caches already pose a long-term threat not just to Libya but to other states in North Africa, including Tunisia and Egypt.

When you work with an FTP Web site, Visual Web Developer caches files locally.

It is also assumed that a possibly existing caching infrastructure in the form of proxy servers or browser caches could never be leveraged.

The system often kills these processes in order to balance overall system resources between process caches and the underlying kernel caches.

Lotus Connections caches the user information locally in the respective database.

DSAccess also caches directory information to reduce the number of queries to Active Directory.

Google caches WebPages regularly and stores them on its massive servers.

OP code caches are useful so that your script does not have to be compiled on every request.

SSL pages are not cached (or decrypted) by proxy caches, so you don't have to worry about that.

Earlier in the year, they made huge caches of documents about Iraq and Afghanistan wars public.

That framework automatically caches any report that implements the ICachedReport interface.

Public indicates public caches. Proxy servers will cache pages with this setting.

By default, the source operator caches its input feed for an hour.

Some additional elements, such as caches, are also important here, and I explore these later in the overall architecture.

Modern applications have layers, and you can normally make them more efficient by adding caches between layers.

Invalidations on caches, however, are always distributed across a cluster.

This buffer caches JMS message data that may otherwise need to be read from disk.

As a consequence, the current version never caches chunks.

To prevent stale caches, the metadata server recalls layouts that have become inaccurate.

The management agent caches the ARM data and sends it to the management server.

The report server generally caches one instance of a report based on the report name.

CPU caches mark referenced memory as code or data depending upon whether it is sent to an instruction decoder.

Caches contain copies of the most frequently used instructions and data.

The container caches the result as a single file rather than multiple JSP components.

Table 1 shows the data that needs to be entered for the remaining caches.

The portal stores component responses in caches scoped to the component state.

It also caches fitness information for use later on by the selection schemes.

Don't count on all requests from a user coming from the same host , because caches often work together.

When the cache expires, the Select method retrieves data from the underlying database, and then caches the data again.

Initializing the slab allocator and creating slab caches for VFS, buffer cache, etc.

The Timeout property indicates the time in seconds for which the client caches the referral of this node.

The security forces began uncovering arms caches on Ampatuan property.

Caches on the service provider side or the service requester side are not applicable for this pattern.

public. expires -- The cache expiration time (in seconds) for remote caches and for unauthenticated pages only.

This region does face a potential problem because the region does not guarantee data consistency between caches.

Coherence lets users deploy in-memory caches across a configuration of servers.

Note that servers and caches may change or add headers during the request.

Aside from creating i386-specific codes for small operations, Psyco caches this compiled machine code for later reuse.

Page structures or page content that change with each user request impedes the use of page caches for storing page responses.

To false ensures that the application will ignore system caches.

Visual Studio caches the content of project files and files imported by project files.

Typically, browser caches act as this kind of cache in the infrastructure.

Role blocks and the deletion of whole sub-trees are especially expensive because they invalidate huge parts of the caches.

The Puma caches cache information originating from the user registry.

You can adjust the lifetime and size settings on these caches, which are used by the security components.

The common language runtime caches security policy for each process.

This is because leaking data structures and valid caches of objects are often indistinguishable.

Today, in Apple's OS X, the central window server caches window graphics as PDF instead of executing PostScript code.

From a user experience point of view, these caches make sense.

You can find more information about configuring caches in the WebSphere Portal InfoCenter (see Resources).

There are a number of different caches for various response modules.

documentCache caches Lucene Document objects (the stored fields for each document).

The privacy module allows a user to erase traces which KDE leaves on the system, such as command histories or browser caches .

The first time that you open a form on your system, InfoPath caches the form files so that you can work offline.

Besides, we introduced 3 caches and arranged the proportion between caches and scan engines properly.

You will create the first cache, and then provide the appropriate parameters for the final three caches.

PLAM caches single read-only copies of different versions of user's PAC in its repository.

But OpenDNS caches the entire Web. Every Web site appears slightly faster.

The researchers found caches of wild barley and oats inside the structure.

Tonight we might have a downtime because of some maintenance in the datacenter. Fill your caches!

The many interactions with Web caches and other devices which affect port 80 must be taken into account.

It's generally backed by private, persistent data, which it caches in memory.

ASP. NET caches a version of the page that uses the color you specify.

After the initial download, the client machine usually caches the file.

When Adaptive Server Anywhere processes a subquery, it caches the result.

Total references to all protocol caches.

What data structures are actually leaking and are not valid caches?

Most browsers have their own caches, separate from the operating system's cache.

Allows an application to clear the caches of all installed applications on the device.

Private Specifies that the response is cacheable only on the client and not by shared (proxy server) caches.

A variant, the proxy-revalidate directive, requires public caches to validate.

Keep in mind that if rendered pages are served from caches, the request might not even get to the portal server.

Table 1 provides an overview of contributors and contributed data for caching in remote caches.

YES - you will not be required to buy additional licenses for proxy servers, regardless of whether it caches content.

Size description struct for general caches.

It caches the file data as pages, just like virtual memory for processes.

WebSphere Portal uses caches at multiple levels.

All users can share the markup for these pages delivered from caches.

(null string) caches the results of the lookup.

When the cache expires, it retrieves data from the underlying file and re-caches the data.

For more information about AWE caches, see -cw server option.

My pages are password-protected; how do proxy caches deal with them?

Object and caches the roles for a user.

You can copy photos and music on there while developers can copy caches and other application data.

Parallel, Poetic Rhythm and the pursuit of the theory, can not be said Cao Pi "Poetry and Fu for Gorgeous" said one of which caches.

For information about AWE caches, see -cw server option.

Note: The individual computers because the proxy server caches, there may be time . . .

Firefox caches DNS lookups for 1 minute, controlled by the network. dnsCacheExpiration configuration setting.

The FS agent process retrieves all related online policies at start-up time and caches them in memory.

If the caches are constantly being purged to make room for new entries, you should increase them.

Implement a data store that caches values from an external database.

In addition to improving availability, local caches reduce costs by reducing the amount of data transfer directly from S3.

However, if max-age (or corollary s-maxmag for public caches) is set, its value overrules Expires.

Read only matters for distributed caches.

cacheTimeout Global cache timeout for all Access Control caches in seconds.

Two Open Source front end proxy caches are Varnish and Squid.

Each application domain can have one or multiple caches , either with or without backing stores.

Actually the former approach can also benefit from the reference data caches.

Each application domain can have one or multiple caches, either with or without backing store(s).

The endpoint selection, interface endpoints, and subscription caches are not yet used, so we will not tune their parameters at this time.

Clears any shared class caches that already exist if workspace 1 is specified.

The global lock cache feeds the per-thread lock caches.

Client renders the page then caches it, along with the ETag.

One major one is that it is compiled at runtime vs. compile time, which won't permit opcode caches to cache the function.

High-volume customers with large numbers of WebSphere Commerce JVMs and large caches will see the most benefit.

It generates thumbnails and resampled images on the fly and caches them.

In some cases, a server or client might need to provide explicit directives to the HTTP caches.

My images expire a month from now, but I need to change them in the caches now!

Caches the entire image into memory at load time.

Overall hit ratio for all protocol caches.

These emulators emulate not just the instruction set, but also the internal pipelines and caches of the processor.

Write your entity resolver so it caches the content of the entity the first time it is read.

In How Web Caches Work, we said that validation is used by servers and caches to communicate when an representation has changed.

Two caches exist for file system objects (inodes and dentries), which I'll define shortly.

Because SQL Server Agent caches profile information, SQL Server Agent does not immediately use new information when the profile changes.

There are a number of utilities that can be used to manage active caches, all of which are suboptions to -Xshareclasses.

She later returned the birds to their caches , in some cases after four hours and in other cases after five days.

For example, if HeapDumps are generated at the start of the workload, caches that are filling up will often be identified as a memory leak.

And what to do about the unofficial weapons caches of Israel, India, Pakistan and (it claims) North Korea?

Among the most important to know about are how to switch the wps. ear file and how to control caches to boost performance.

Named caches are destroyed using the destroy option, illustrated in Listing 5.

Run when the host page is unloading and caches info.

At the highest level is the cache_chain, which is a linked list of the slab caches.

Despite our extensive use of memory caches, the earlier version of w3 ran in production with about 450MB of available heap space.

It also covered how to correctly tune the applicable caches.

Part 1 presents XCache, a PHP extension that caches PHP opcodes in memory.

If a program reads a single byte in memory, the processor loads the whole cache line that contains that byte into the L2 and L1 caches.

You might imagine that the first lookup perfectly caches your lookup so that the second lookup is free, but that is not correct.

By this way, the file system can use all the client caches to decrease the disk access time and as a result improve overall performance.

There is no L3 cache per se, but if required by the application, a software developer can utilize all L1 and L2 caches as one 5 MB L3 cache.

Sample caches. Following are some example caches. Remove these before use.

Shiro's architecture allows for pluggable Session data stores, such as enterprise caches, relational databases, NoSQL systems and more.

So is the process of caches of storage.

This has the effect of releasing all RCW caches.

They are still available in isolated caches of parts, although they can sometimes be hard to find.

Is the application being too generous in what it caches?