Learning vitess: adding various debug messages#1
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shlomi-noach
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Aug 14, 2019
vtbackup: Clean up and add policy enforcement
rashiq
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Oct 26, 2022
* decouple olap tx timeout from oltp tx timeout
Since workload=olap bypasses the query timeouts
(--queryserver-config-query-timeout) and also row limits, the natural
assumption is that it also bypasses the transaction timeout.
This is not the case, e.g. for a tablet where the
--queryserver-config-transaction-timeout is 10.
This commit:
* Adds new CLI flag and YAML field to independently configure TX
timeouts for OLAP workloads (--queryserver-config-olap-transaction-timeout).
* Decouples TX kill interval from OLTP TX timeout via new CLI flag and
YAML field (--queryserver-config-transaction-killer-interval).
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: pr comments #1
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: pr comments #2 consolidate timeout logic in sc
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: remove unused tx killer flag
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: update 15_0_0_summary.md
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: fix race cond
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: pr comments #3 -txProps.timeout, +sc.expiryTime
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: pr comments #4 -atomic.Value for expiryTime
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: fix race cond (without atomic.Value)
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: pr comments #5 -unused funcs, fix comments, set ticks interval once
Signed-off-by: Max Englander <max@planetscale.com>
* decouple ol{a,t}p tx timeouts: pr comments #5 +txkill tests
Signed-off-by: Max Englander <max@planetscale.com>
* revert fmt changes
Signed-off-by: Max Englander <max@planetscale.com>
* implement pr review suggestion
Signed-off-by: Max Englander <max@planetscale.com>
Signed-off-by: Max Englander <max@planetscale.com>
rashiq
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Dec 19, 2022
…vitessio#11768) (vitessio#11943) * Prevent orphaned VDiffs in two ways... 1. When opening the engine, restart any vdiffs that are in the started state as this indicates it did not complete and was unable to save the final state and must be restarted. 2. When a vdiff run fails, retry saving the error state with an exponential backoff until the engine shuts down. This way the normal retry mechanism will kick in OR #1 will kick in when the engine is next opened on the primary tablet. Signed-off-by: Matt Lord <mattalord@gmail.com> * Handle failures before vdiff_table records are created Signed-off-by: Matt Lord <mattalord@gmail.com> * Add more ephemeral client errors Signed-off-by: Matt Lord <mattalord@gmail.com> * Show vdiff state of error even if no vdiff_table records Signed-off-by: Matt Lord <mattalord@gmail.com> * Minor cleanup Signed-off-by: Matt Lord <mattalord@gmail.com> * Add vdiff2 unit tests Signed-off-by: Matt Lord <mattalord@gmail.com> * Add unit test for retry Signed-off-by: Matt Lord <mattalord@gmail.com> * Small cleanup Signed-off-by: Matt Lord <mattalord@gmail.com> * Addressing review comments and other improvements Signed-off-by: Matt Lord <mattalord@gmail.com> * Use warning log for ... warnings :-) Signed-off-by: Matt Lord <mattalord@gmail.com> * Minor touch ups Signed-off-by: Matt Lord <mattalord@gmail.com> Signed-off-by: Matt Lord <mattalord@gmail.com> Signed-off-by: Matt Lord <mattalord@gmail.com>
johanstenberg92
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Mar 21, 2023
* Prevent orphaned VDiffs in two ways... 1. When opening the engine, restart any vdiffs that are in the started state as this indicates it did not complete and was unable to save the final state and must be restarted. 2. When a vdiff run fails, retry saving the error state with an exponential backoff until the engine shuts down. This way the normal retry mechanism will kick in OR #1 will kick in when the engine is next opened on the primary tablet. Signed-off-by: Matt Lord <mattalord@gmail.com> * Handle failures before vdiff_table records are created Signed-off-by: Matt Lord <mattalord@gmail.com> * Add more ephemeral client errors Signed-off-by: Matt Lord <mattalord@gmail.com> * Show vdiff state of error even if no vdiff_table records Signed-off-by: Matt Lord <mattalord@gmail.com> * Minor cleanup Signed-off-by: Matt Lord <mattalord@gmail.com> * Add vdiff2 unit tests Signed-off-by: Matt Lord <mattalord@gmail.com> * Add unit test for retry Signed-off-by: Matt Lord <mattalord@gmail.com> * Small cleanup Signed-off-by: Matt Lord <mattalord@gmail.com> * Addressing review comments and other improvements Signed-off-by: Matt Lord <mattalord@gmail.com> * Use warning log for ... warnings :-) Signed-off-by: Matt Lord <mattalord@gmail.com> * Minor touch ups Signed-off-by: Matt Lord <mattalord@gmail.com> Signed-off-by: Matt Lord <mattalord@gmail.com>
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Self PR for better visibility into vitess internal workings