Issue with Full-Text (FTS) master merge on SQL Server 2012 SP2 -


on current project have annoying issue master merge process occurs after full population of fts index.

let me describe our process: have continuous build setup environment , run unit tests after each commit in our source control. each run create new db (on same sql server) fill test data , run unit tests. unit tests failed because fts index population cannot finish in time.

we have seeing in [sysprocesses] table lots of sessions wait type ft_master_merge block our tests: ft_master_merge

in fts log have following error:

the master merge started @ end of full crawl of table or indexed view [tablename] failed hresult = '0x80000049'. database id '45', table id 706101556, catalog id: 5.

here example of how create fts catalog , add table (as can see it's created auto change tracking index update in background):

    -- create fts catalog     exec sp_fulltext_catalog 'wilcoftscatalog', 'create'     exec sp_fulltext_table 'users', 'create', 'wilcoftscatalog', 'pk_users'     exec sp_fulltext_column 'users', 'userid', 'add'     exec sp_fulltext_column 'users', 'name', 'add'     exec sp_fulltext_table 'users', 'activate'     exec sp_fulltext_table 'users', 'start_change_tracking'     exec sp_fulltext_table 'users', 'start_background_updateindex'

does know root cause of issue , should done avoid it?

thank in advance


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