Hello,

    While looking into some of the tangential issues encountered while doing
the export/import related work, I have some questions:

    1. Should "CREATE TABLE" lock (shared) the database? I think so from the
discussions, but I do not think it happens now.

    2. Similarly "LOAD" should also lock (exclusive) the table/partition by
adding the table/partition to the outputs.

    3. While trying a fix for the above, I ran into another issue. IIUC,
Test[Negative]CliDriver templates starts the zkcluster via QTestUtil ctor,
but this is immediately shutdown via cleanup->teardown call, so most of the
create/loads in createSources run without a zookeeper server, so any attempt
to lock errors out. Is this by intent?

Cheers
 Krishna

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