[sakai-core-team] Issue with search in a cluster and old search components

[Earle Nietzel]

+1 for removing old search unless there is someone who wants to maintain it.




On Fri, Aug 8, 2014 at 6:57 PM, Matthew Jones <matthew at longsight.com> wrote:

> Actually, thinking about this more and talking to a few people, I'm
> leaning strongly on just removing all of the legacy search components and
> writing up documentation for 10.1 if anyone really needs to continue using
> them. I did that locally in about 15 minutes and it starts up okay. Going
> to do some quick tests tonight but looks good so far. The only thing really
> in search-impl left is the shims (which existed to plugin other search
> components, mostly SOLR) and the content hosting digesters, which really
> should be moved into content.
>
>
> On Fri, Aug 8, 2014 at 6:23 PM, Matthew Jones <matthew at longsight.com>
> wrote:
>
>> So by moving all of these components to shared to fix a problem with
>> elastic search in a cluster in
>> https://jira.sakaiproject.org/browse/SAK-27658 it broke the old search.
>> This was because that used lucene 2.9, and elasticsearch used 4.5 (now 4.7
>> but basically the same).
>>
>> In 10.0, elasticsearch was in it's own pack (elasticsearch-component) and
>> it's had it's own version(s) of lucene so didn't conflict against the old
>> search. Now that they're in shared, searck-pack has to use the shared
>> version or it won't work.
>>
>> I worked on this for about half an hour and did the "easy upgrades"
>> (imports/search replace) lowering the errors from about 200 to ~135. Now
>> what's appear to be left are the medium and hard upgrades. Looking at the
>> list, I'm betting it could take anywhere from a half day to a day to get
>> these removed. The problem is there's not 100% guarantee it will work the
>> same and the indexes will not work anyway (no support for 2.9 indexes)
>>
>> So the only option I can think of is to remove the old search files and
>> beans completely from the search tool for 11 and 10.1. Nobody will want to
>> run it if it's untested and doesn't work with their old data.
>>
>> If someone wants to run the old search, they would have to deploy 10.0
>> search and help before these changes were made and remove lucene-* jars
>> from shared.
>>
>> Any thoughts?
>>
>> https://jira.sakaiproject.org/browse/SAK-27788
>>
>
>
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>


-- 
earle,
asahi net int.
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