Empty search results after moving site to VPS

[jacko]

I moved my site dzwiek.org from shared hosting to VPS and it has been great apart from search engine glitch:
The first time I search for something, there are 0 results.
Then, I search for the same string again and the results come up with no problems.

I suspect there might be some timeout variable to set in either php.ini or my.cnf

 

[TPerry]

Rebuild the search index for the first thing to try.
Are you using xCache, ZEND Opcache, etc?

 

[jacko]

Rebuilding search index doesn't help. I have the basic file cache switched on in config.php xenforo file.

 

[jacko]

The problem happens occasionally, not always. Sometimes search returns zero results but not always.

 

[Slavik]

The problem happens occasionally, not always. Sometimes search returns zero results but not always.

Standard MySQL search or Enhanced Search?

 

[jacko]

Standard MySQL search or Enhanced Search?

Standard MySQL.

 

[Slavik]

Interesting, any errors in the XenForo error log, or anything being thrown out in the MySQL logs?

 

[jacko]

This is incredibly silly but I suspect this was caused by "search this forum only" being ticked by default. Basically users (and I) were trying to perform a search inside a forum where there was nothing to return from search query. Repeating the search straight away performed it over whole site returning search results...