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CACHING QUESTIONS

Caching all images on external site through Cloudflare
Caching all images on external site through Cloudflare
This might help you If you can't change origin server headers, you could try following snippet in your worker:
TAG : caching
Date : January 02 2021, 06:48 AM , By : Carlos Galdino
Specify varnish backend without caching
Specify varnish backend without caching
To fix the issue you can do I would like to ask you how in varnish code pass requests to the backend without caching. I know that I can do and it is working : , What you want is:
TAG : caching
Date : January 02 2021, 06:48 AM , By : Matt
Atomic set and get in clojure.core.cache
Atomic set and get in clojure.core.cache
should help you out Atoms guarantee that there won't be a race condition.Every call to swap! uses a CAS operation behind the scenes. That's why the function you need to provide in swap! should be side-effect free, because it might be re-tried if anot
TAG : caching
Date : January 01 2021, 06:44 AM , By : nagre
How much caching we should do in microservice?
How much caching we should do in microservice?
will be helpful for those in need There is no right answer to it , it really depends on your use case and nature of data that you are caching. Modern architectures are serving all the static content (dyanmic in some cases as well) through CDNs. So lo
TAG : caching
Date : December 23 2020, 10:01 PM , By : John Q.
Is there a cache in the ARM Cortex-M4?
Is there a cache in the ARM Cortex-M4?
it helps some times Short answer:No, there is no cache inside the ARM Cortex-M4 core.
TAG : caching
Date : December 23 2020, 06:01 PM , By : Aki Björklund
Integrating Cassandra with Apache Ignite
Integrating Cassandra with Apache Ignite
To fix the issue you can do I have downloaded the 2.7.5 binary of Apache Ignite. I referred to the xml file in the Cassandra-Ignite integration official docs. However, all the beans are failing to load. The configuration file is in my desktop folder.
TAG : caching
Date : December 23 2020, 04:01 PM , By : ussballantyne
Apache Ignite failing to start GridManagerAdapter in Windows
Apache Ignite failing to start GridManagerAdapter in Windows
seems to work fine All server and thick-clients need to be on the same version of Ignite. (There are commercial versions of Ignite that allow you to mix versions, but even that's really only designed for you to upgrade your cluster without downtime.)
TAG : caching
Date : December 23 2020, 12:30 PM , By : joshboles
How to run multiple Apache Ignite nodes in the same machine?
How to run multiple Apache Ignite nodes in the same machine?
I hope this helps you . I want to run multiple Ignite nodes on the same VM. Suppose, their address will be localhost:port (a set of ports, as a series). And, I want my Java client application to connect to the nodes.
TAG : caching
Date : December 23 2020, 07:30 AM , By : DK.
How to run multiple Apache Ignite nodes on same JVM?
How to run multiple Apache Ignite nodes on same JVM?
This might help you Yes, you can, and in process of running Java tests we run dozens of Ignite instances in the same VM. They are lightweight and they start up pretty fast.You should just make sure to set a different igniteInstanceName on IgniteConfi
TAG : caching
Date : December 22 2020, 11:30 AM , By : Shitic
Successive DNS caching
Successive DNS caching
Hope that helps Your assumption is not correct. When sending response to the client, caching DNS server will send only time left until cache expiry as TTL value. The client will not even be aware (and does not really care) what is the "original" TTL
TAG : caching
Date : December 09 2020, 05:36 AM , By : Allen
How to use Apache Ignite as a layer between Spring Boot app and MongoDB?
How to use Apache Ignite as a layer between Spring Boot app and MongoDB?
seems to work fine Take a look at write-behind cache store mode. It retries writing to the underlying database if insertion to the underlying DB fails. Let me know how it works for you.You can also implement a custom CacheStore for an Ignite cache th
TAG : caching
Date : December 01 2020, 04:45 PM , By : Pancilobak
Why the shorter the memory latency, the smaller the cache block
Why the shorter the memory latency, the smaller the cache block
around this issue That is a simple consequence of the limited speed of light. Signals need time to travel. For a copper wire it is ca. 20cm/ns. If you have a memory chips 10cm away from your CPU you can send a signal with ACK with a rate of 1 GHz (0,
TAG : caching
Date : November 29 2020, 04:01 AM , By : user184406
About an advantage of write through
About an advantage of write through
I think the issue was by ths following , Writes are traditionally done lazily -- the value may be modified again while it's still in the cache, so there's no point writing any one change out to memory just yet. However, a read may require a dirty cac
TAG : caching
Date : November 28 2020, 04:01 AM , By : Bobblegate
How to set a query timeout for apache ignite cache?
How to set a query timeout for apache ignite cache?
fixed the issue. Will look into that further Currently you may use SqlQuery/SqlFieldsQuery API to set individual timeouts for queries: https://apacheignite-sql.readme.io/docs/query-cancellationIt's a known issue that there is no option to configure d
TAG : caching
Date : November 26 2020, 06:28 AM , By : Vitalik
Go webserver - don't cache files using timestamp
Go webserver - don't cache files using timestamp
it fixes the issue Assuming your file server code is like the example in the docs:
TAG : caching
Date : November 25 2020, 09:00 AM , By : Ganesh
Different Varnish cache stores for same site
Different Varnish cache stores for same site
this one helps. I have this working now. For anyone in the same situation, check out hashing. I have detailed below my solution.
TAG : caching
Date : November 14 2020, 05:18 PM , By : smbrant
Want to keep data in AppFabric Cache intact after cluster restart
Want to keep data in AppFabric Cache intact after cluster restart
I hope this helps you . Any in-memory cache when restarted will flush all data. Since data is in process' memory, when process restarts all data will be lost.However some caching solutions like NCache provide features such as cache startup loader whi
TAG : caching
Date : November 14 2020, 04:51 PM , By : Lunis Neko
Can cache coherency protocols like snooping coherence be implemented in hardware(RTL)?
Can cache coherency protocols like snooping coherence be implemented in hardware(RTL)?
To fix this issue Can cache coherency protocols like snooping coherence protocol and MESI/MOESI be implemented in hardware(RTL)?
TAG : caching
Date : November 13 2020, 11:01 PM , By : Chaz
nginx + php5-fpm + wordpress caching
nginx + php5-fpm + wordpress caching
will be helpful for those in need The environment that I'm running my server in is a VirtualBox machine using vagrant.It turns out this has everything to do with it because VirtualBox hates sendfile.
TAG : caching
Date : November 11 2020, 09:01 AM , By : cashshadow
varnish 4 x-cache miss
varnish 4 x-cache miss
To fix the issue you can do in headers is lack of Expires tag - when is added, varnish start caching.
TAG : caching
Date : November 07 2020, 09:00 AM , By : SA.
cache to memory mapping
cache to memory mapping
will help you First designed? Do you mean first powered on? The normal way would be to start out with all the tags invalid (so it doesn't matter what's in the data arrays or anywhere else).It's easy to imagine bugs if all the data in your cache was r
TAG : caching
Date : November 06 2020, 11:01 PM , By : user179445
Cache and Couchbase
Cache and Couchbase
should help you out I was wrong. The cache persists. Even after rebooting the server. Strange but yes it does. May be, couchbase flows cache to disk on rebooting. Also, my use case involved Spring which rules out possibility of using "memcached" type
TAG : caching
Date : October 31 2020, 05:55 AM , By : Vrki
Nginx FastCGI Cache $upstream_cache_status; Not Showing
Nginx FastCGI Cache $upstream_cache_status; Not Showing
should help you out Okay solved the issue myself, HHVM created another file hhvm.conf which handles php files separately though port or sock. I just needed to place the add header there, within that block for it to show up. Anywhere else, the upstrea
TAG : caching
Date : October 28 2020, 10:01 AM , By : Heals1ic
cache - flush and invalidate operation
cache - flush and invalidate operation
help you fix your problem Flush does write back the contents of cache to main memory, and invalidate does mark cache lines as invalid so that future reads go to main memory.I think you would combine flush and invalidate if the device was updating a b
TAG : caching
Date : October 27 2020, 03:37 PM , By : rusl
Is it possible traverse an ignite cache in index order?
Is it possible traverse an ignite cache in index order?
With these it helps This is not possible. You have to store each value individually to create such an index.
TAG : caching
Date : October 25 2020, 07:18 PM , By : mlapida
Is my understanding of AoS vs SoA advantages/disadvantages correct?
Is my understanding of AoS vs SoA advantages/disadvantages correct?
To fix the issue you can do "traversing" just means looping over the data.And yes, you're right about cache ways and collisions. 64B (cache line size) blocks of memory that are offset from each other by a large power of 2 map to the same set, and thu
TAG : caching
Date : October 24 2020, 01:32 PM , By : ezzze
How to remember results from querying SQLAlchemy relations (to implement caching)?
How to remember results from querying SQLAlchemy relations (to implement caching)?
Hope this helps Does SA really issue a query every time you access the relation in the same session? IMO, it should not happen, as the result should get cached automatically within the session.In order to check that no SQL is issued, just turn on log
TAG : caching
Date : October 20 2020, 11:12 PM , By : Comfly
Gemfire ClusterConfigurationNotAvailableException: Unable to retrieve cluster configuration from the locator
Gemfire ClusterConfigurationNotAvailableException: Unable to retrieve cluster configuration from the locator
I hope this helps . By default, whenever a GemFire server starts up (or automatically reconnects to the cluster after an unexpected shutdown), it tries to recover the Cluster Configuration from any locator, if it fails to do so then the member will j
TAG : caching
Date : October 06 2020, 08:00 PM , By : John
ColdFusion | Query timeout error questions
ColdFusion | Query timeout error questions
Hope this helps Only successful db requests are cached so the EmployeeData query will run on next pass.The wellPaidEmployee query will run if employeeData does not error.
TAG : caching
Date : October 05 2020, 04:00 PM , By : Dominique Vocat
When to use Redis and when to use DataLoader in a GraphQL server setup
When to use Redis and when to use DataLoader in a GraphQL server setup
should help you out DataLoader is primarily a means of batching requests to some data source. However, it does optionally utilize caching on a per request basis. This means, while executing the same GraphQL query, you only ever fetch a particular ent
TAG : caching
Date : October 05 2020, 08:00 AM , By : antonio
How to use redis cache to update page counter?
How to use redis cache to update page counter?
I wish did fix the issue. In order to boost my app's performance I'd like to avoid hitting database as much as possible. So to update page visits counter, I'd like to use redis cache and it's ability to expire keys. , what could be the flaws of such
TAG : caching
Date : October 03 2020, 11:00 PM , By : snapshooter
Redis Cache issue in AWS
Redis Cache issue in AWS
help you fix your problem If you don't want your key to expire, do not put a TTL. Redis doesn't require a TTL for keys.
TAG : caching
Date : September 27 2020, 08:00 PM , By : Diego
Policy for writing to memory
Policy for writing to memory
it fixes the issue Most modern CPUs have cache so much faster than DRAM that write-back is the only policy that makes sense. Some older CPUs or modern embedded may have write-through CPU caches when the gap between on-chip cache and DRAM isn't so hug
TAG : caching
Date : September 23 2020, 12:00 AM , By : mhedberg
How and where are instructions cached?
How and where are instructions cached?
wish of those help Your executable on disk is logically memory-mapped into the virtual address space of a new process.As usually with virtual memory, touching a 4k pages of the executable may trigger a page fault if the data isn't actually in DRAM (h
TAG : caching
Date : September 05 2020, 05:00 PM , By : DicksGarage
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