hooks: reporting GH_OST_ETA_SECONDS. ETA as part of migration context #936
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Support a complete ALTER TABLE statement in --alter
handle driver timeout error
Updates from upstream 2020 10
Initial commit: towards setting up a test suite Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
…original table, applying AUTO_INCREMENT value onto ghost table if applicable and user has not specified AUTO_INCREMENT in alter statement
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
Copying AUTO_INCREMENT value to ghost table
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
Generated column as part of UNIQUE (or PRIMARY) KEY
Cut-over should wait for heartbeat lag to be low enough to succeed
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
All MySQL DBs limited to max 3 concurrent/idle connections
…context Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
Signed-off-by: Shlomi Noach <2607934+shlomi-noach@users.noreply.github.com>
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branch updated after recent merge of downstream contribution. |
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This PR passed many internal tests, merging it 👍 Thanks @shlomi-noach! |
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resubmission of openark#17
Hooks can now utilize
GH_OST_ETA_SECONDSenvironment variable, populated with an integer value of ETA seconds.A negative value stands for unknown ETA, as is the case at the very beginning of the migration.
The value is
0when cut-over is imminent.maintainers: this joins a list of unmerged upstream PRs while I'm progressing with downstream development. It will be difficult to identify the specific changes in this PR given the unmerged commits. But do see openark#17