OpenACS / openacs-4 / packages / acs-tcl / tcl

acs-cache-procs.tcl

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Commits this week: 0
Total Committers: 3
Last Commit: 20 Dec
Commits this week: 0
Total Lines of Code (LoC): 704
Net change in LoC this week: 0

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Thursday 29 Dec 2022
1:54 pm

gustafn

improved clusterwide operations

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Saturday 26 Nov 2022
5:53 pm

gustafn

Moved the experimental disk-cache from utilities to the other cacheing infrastructure

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Tuesday 08 Nov 2022
1:45 pm

gustafn

added optional parameter "-timeout" to "CACHE eval ..." method

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Wednesday 12 Oct 2022
7:36 pm

gustafn

improve source code comments

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7:05 pm

gustafn

new feature for caching infrastructure: flag "-per_request"

When this feature is used, the cache is locked max 1 time per request,

the results are stable for this request. This feature is useful for caches

having a potentially high number of locks per request.

The new feature is used currently for checking, if a package is enabled.

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Wednesday 14 Sep 2022
2:29 pm

antoniop

Make acs::try_cache more robust to transitional situations during instance upgrade, where the object might exist, but not the method

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Tuesday 21 Jun 2022
12:50 pm

gustafn

Added dynamic cluster configuration checking

- handle cases, where not all cluster nodes are available at startup

time (this is a problem for docker, since the IP addresses will not

be available as well)

- handle dynamic changing of configuration variables

- refactored code

- new methods "acs::Cluster register_nodes" and

"acs::Cluster refresh_blueprint" (called regulary via scheduled

procedure, running every minute)

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Tuesday 14 Jun 2022
7:59 pm

gustafn

Support the usage of HTTP locations in kernel parameter ClusterPeerIP

The change extends the values specified in ClusterPeerIP in two respects

- one can now specify the protocol (defaults to http)

- while ClusterPeerIP required an IP address, it is now possible to specify an DNS name

The DNS name is resolved for the time being at the start time of the OpenACS instance.

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Sunday 29 May 2022
9:15 pm

gustafn

Small optimization for cachingmode "none": no need to broadcast cache flushing

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Monday 23 May 2022
11:54 pm

gustafn

fix brackets

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Sunday 24 Apr 2022
1:21 pm

gustafn

added argument handling to try_cache operations

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Monday 21 Feb 2022
9:11 pm

gustafn

Support memory units as default of the cache sizes

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Tuesday 11 Jan 2022
1:37 pm

antoniop

Ease the transition from no_empty to no_cache flag on this public api

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Saturday 08 Jan 2022
4:37 pm

gustafn

Extended LockfreeCache:

- Feneralized flag "-no_empty" of "LockfreeCache eval" to "-no_cache LIST"

The provided list can contain multiple values that should not be cached.

- The new parameter "-from_cache_indicator" can be used to return information

whether the returned value was returned from the cache or not.

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Wednesday 05 Jan 2022
3:16 pm

gustafn

provide as well a minimal compatibility for "-size" parameter on ns_baseunit

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2:09 pm

gustafn

correct comment

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Sunday 05 Dec 2021
4:42 pm

gustafn

Use "ns_baseunit", when available for size calculation of parititoned caches

Generalize ::acs::try_cache (such it can be use not only for "...cache eval..."

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Thursday 18 Nov 2021
8:56 pm

gustafn

reduce further redundancy

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Friday 12 Nov 2021
9:59 am

gustafn

Don't complain when flushing per-thread cache without content

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Wednesday 13 Oct 2021
9:18 pm

gustafn

perform also sitewide flushes for urspace based site-node cache

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Monday 11 Oct 2021
10:11 pm

gustafn

Refactored and streamlined of cluster infrastructure

- base the API new new cluster infrastructure (including memoize-flush, server_cluster_peer_hosts, etc.)

- improved handling for multiple IP addresses and IPv6

- removed assumptions of local vs. global network drivers

- server_cluster_httpget_from_peers not used anymore

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Thursday 07 Oct 2021
5:42 pm

gustafn

Provide a default timeout of 5m to all ns_cache besed caches created via the acs-cache infrastructure

Background: in case, a db entry is to be cached, where the db query

does not finish (e.g. runs into a deadlock), subsequent attempts for

the same value will be blocked as well by the mutex protecting the

entry to be cached. Therefore, later requests to this entry might queue

up in the server. By providing a timeout, this mutex will terminate

latest when the timeout is reached.

The default value for the timeout is set to 5m. In case a certain

cache might issue requests running longer than this, the cache has

to be configured with a larger timeout value.

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Monday 04 Oct 2021
11:37 am

gustafn

Improving ad_parameter_cache:

- added handling of cachingmode "none"

- added implementation via "nsv_dict" (cluster aware)

- execute parameter callbacks cluster-wide

- version number bumped to 5.10.1d4

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Friday 24 Sep 2021
1:31 pm

gustafn

let the per_thread_cache behave like the per_connection_cache when the NaviServer configuration valriable "cachingmode" is set to none

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Sunday 14 Feb 2021
10:04 pm

gustafn

make code slightly more regular

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Wednesday 27 Jan 2021
9:24 pm

gustafn

added method "get" for "LockfreeCache" (somewhat similar to nsv_get)

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Sunday 06 Dec 2020
9:43 am

gustafn

improved wording in comment

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Wednesday 28 Oct 2020
4:39 pm

hectorr

Prefer 'namespace which' over 'info commands', as it is faster (on local tests, around 2x) and returns a single value. Many thanks to Nathan Coulter.

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Tuesday 04 Aug 2020
11:35 am

gustafn

improve spelling

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Wednesday 22 Jul 2020
2:28 pm

antoniop

Implement a flush method for ::acs::acs::LockfreeCache and use it to reimplement permission::permission_thread_cache_flush

This fixes ad_proc_permission_grant_and_revoke test case

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