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  • Iustin Pop's avatar
    Introduce a Luxi call for GetTags · 7699c3af
    Iustin Pop authored
    
    
    This changes from submitting jobs to get the tags (in cli scripts) to
    queries, which (since the tags query is a cheap one) should be much
    faster.
    
    The tags queries are already done without locks (in the generic query
    paths for instances/nodes/cluster), so this shouldn't break tags query
    via gnt-* list-tags.
    
    On a small cluster, the runtime of gnt-cluster/gnt-instance list tags
    more than halves; on a big cluster (with many MCs) I expect it to be
    more than 5 times faster. The speed of the tags get is not the main
    gain, it is eliminating a job when a simple query is enough.
    
    Signed-off-by: default avatarIustin Pop <iustin@google.com>
    Reviewed-by: default avatarRené Nussbaumer <rn@google.com>
    7699c3af