pkg/ccl/spanconfigccl/spanconfigsqlwatcherccl/spanconfigsqlwatcherccl_test: TestSQLWatcherMultiple failed #98925
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pkg/ccl/spanconfigccl/spanconfigsqlwatcherccl/spanconfigsqlwatcherccl_test.TestSQLWatcherMultiple failed with artifacts on master @ 53dbb86acb1d48309530181b94838faf937084d3: Parameters: |
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miretskiy
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Mar 30, 2023
Make sure mux rangefeed uses correct context if it needs to restart range feeds. Fix catchup reservation metric accounting in mux rangefeed. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Release note: None
miretskiy
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Mar 31, 2023
Make sure mux rangefeed uses correct context if it needs to restart range feeds. Fix catchup reservation metric accounting in mux rangefeed. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Release note: None
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Apr 3, 2023
Make sure mux rangefeed uses correct context if it needs to restart range feeds. Fix catchup reservation metric accounting in mux rangefeed. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Informs cockroachdb#100468 Release note: None
miretskiy
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Apr 4, 2023
Make sure mux rangefeed uses correct context if it needs to restart range feeds. Fix catchup reservation metric accounting in mux rangefeed. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Informs cockroachdb#100468 Release note: None
miretskiy
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Apr 4, 2023
Restart ranges on a dedicated goroutine (if needed). Fix logic bug in stuck range handling. Increase verbosity of logging to help debug mux rangefeed issues. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Informs cockroachdb#100468 Release note: None
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100189: kvcoord: Restart ranges on a dedicated goroutine. r=miretskiy a=miretskiy Restart ranges on a dedicated goroutine (if needed). Fix logic bug in stuck range handling. Increase verbosity of logging to help debug mux rangefeed issues. Informs #99560 Informs #99640 Informs #99214 Informs #98925 Informs #99092 Informs #99212 Informs #99910 Informs #99560 Release note: None 100525: rpc: Handle closed error r=erikgrinaker a=andrewbaptist We close the listener before closing the connection. This can result in a spurious failure due to the Listener also closing our connection. Epic: none Fixes: #100391 Fixes: #77754 Informs: #80034 Release note: None 100528: sql: fix flaky TestSQLStatsCompactor r=j82w a=j82w The test failure is showing more total wide scans than expected. Change the compact stats job to run once a year to avoid it running at the same time as the test. The interceptor is disabled right after delete reducing the possibility of another operation causing a conflict. Epic: none closes: #99653 Release note: none 100589: allocator: deflake full disk test r=andrewbaptist a=kvoli In #97409 we introduced cluster settings to control the disk fullness threshold for rebalancing towards a store and shedding replicas off of the store. The `TestAllocatorFullDisks` assumes the total number of range bytes is equal or less than the rebalance threshold of the nodes, however the test was updated to use the shed threshold instead. This caused the test to flake occasionally as there was more than the expected amount of total range bytes. This patch changes the ranges per node calculation to use the rebalance threshold again, instead of the shed threshold ``` dev test pkg/kv/kvserver/allocator/allocatorimpl -f TestAllocatorFullDisks -v --stress ... 15714 runs so far, 0 failures, over 39m45s ``` Fixes: #100033 Release note: None 100610: roachtest: set config.Quiet to true r=herkolategan a=srosenberg After refactoring in [1], the default of config.Quiet was set to false since the roachprod CLI option is intended to set it to true. This resulted in an unwanted side-effect, namely roachtests running with the new default. Consequently, test_runner's log ended up with a bunch of (terminal) escape codes due to (status) spinner. This change ensures roachtest explicitly sets config.Quiet to true. [1] #99133 Epic: none Release note: None Co-authored-by: Yevgeniy Miretskiy <[email protected]> Co-authored-by: Andrew Baptist <[email protected]> Co-authored-by: j82w <[email protected]> Co-authored-by: Austen McClernon <[email protected]> Co-authored-by: Stan Rosenberg <[email protected]>
This was referenced Apr 4, 2023
miretskiy
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Apr 4, 2023
Restart ranges on a dedicated goroutine (if needed). Fix logic bug in stuck range handling. Increase verbosity of logging to help debug mux rangefeed issues. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Informs cockroachdb#100468 Release note: None
miretskiy
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Apr 4, 2023
Prior to this change, there were cases where a future used to wait for a single range feed completion, may be completed multiple times, or a message about range feed termination may be sent multiple times on a single mux rangefeed stream. One of those cases was a check for `ensureClosedTimestampStarted`. If this method returned an error, we would immediately send the error on the rpc stream, and then complete the future with nil error. Another instance was when registry would `DisconnectWithErr` -- in that case, we would first complete future in this method, and then, complete it again later. It appears that completing future multiple times should be okay; however, it is still a bit worrysome. The deadlocks observed were all in the local RPC bypas (`rpc/context.go`), and it's not a stretch to imagine that as soon as the first error (e.g. from ensureClosedTimestampStarted) is returned, the goroutine reading these messages terminates, and causes the subsequent attempt to send the error deadlock. Another hypothetical issue is how the mux rangefeed sent the error when the future completed. Prior to this change, this happened inline (via `WhenReady` closure). This is dangerous since this closure may run when important locks (such as raft mu) are being held. What could happen is that mux rangefeed encounters a retryable error. The future is prepared with error value, which causes an error to be sent to the client. This happens with some lock being held. The client, notices this error, and attempts to restart rangefeed -- to the same server, and that could block; At least in theory. Regardless, it seems that performing IO while the locks could be potentially held, is not a good idea. This PR fixes this problem by shunting logical rangefeed completion notification to a dedicated go routine. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Release note: None
miretskiy
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Apr 7, 2023
Prior to this change, there were cases where a future used to wait for a single range feed completion, may be completed multiple times, or a message about range feed termination may be sent multiple times on a single mux rangefeed stream. One of those cases was a check for `ensureClosedTimestampStarted`. If this method returned an error, we would immediately send the error on the rpc stream, and then complete the future with nil error. Another instance was when registry would `DisconnectWithErr` -- in that case, we would first complete future in this method, and then, complete it again later. It appears that completing future multiple times should be okay; however, it is still a bit worrysome. The deadlocks observed were all in the local RPC bypas (`rpc/context.go`), and it's not a stretch to imagine that as soon as the first error (e.g. from ensureClosedTimestampStarted) is returned, the goroutine reading these messages terminates, and causes the subsequent attempt to send the error deadlock. Another hypothetical issue is how the mux rangefeed sent the error when the future completed. Prior to this change, this happened inline (via `WhenReady` closure). This is dangerous since this closure may run when important locks (such as raft mu) are being held. What could happen is that mux rangefeed encounters a retryable error. The future is prepared with error value, which causes an error to be sent to the client. This happens with some lock being held. The client, notices this error, and attempts to restart rangefeed -- to the same server, and that could block; At least in theory. Regardless, it seems that performing IO while the locks could be potentially held, is not a good idea. This PR fixes this problem by shunting logical rangefeed completion notification to a dedicated go routine. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Release note: None
miretskiy
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Apr 9, 2023
Prior to this change, there were cases where a future used to wait for a single range feed completion, may be completed multiple times, or a message about range feed termination may be sent multiple times on a single mux rangefeed stream. One of those cases was a check for `ensureClosedTimestampStarted`. If this method returned an error, we would immediately send the error on the rpc stream, and then complete the future with nil error. Another instance was when registry would `DisconnectWithErr` -- in that case, we would first complete future in this method, and then, complete it again later. It appears that completing future multiple times should be okay; however, it is still a bit worrysome. The deadlocks observed were all in the local RPC bypas (`rpc/context.go`), and it's not a stretch to imagine that as soon as the first error (e.g. from ensureClosedTimestampStarted) is returned, the goroutine reading these messages terminates, and causes the subsequent attempt to send the error deadlock. Another hypothetical issue is how the mux rangefeed sent the error when the future completed. Prior to this change, this happened inline (via `WhenReady` closure). This is dangerous since this closure may run when important locks (such as raft mu) are being held. What could happen is that mux rangefeed encounters a retryable error. The future is prepared with error value, which causes an error to be sent to the client. This happens with some lock being held. The client, notices this error, and attempts to restart rangefeed -- to the same server, and that could block; At least in theory. Regardless, it seems that performing IO while the locks could be potentially held, is not a good idea. This PR fixes this problem by shunting logical rangefeed completion notification to a dedicated go routine. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Release note: None
miretskiy
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Apr 12, 2023
Prior to this change, there were cases where a future used to wait for a single range feed completion, may be completed multiple times, or a message about range feed termination may be sent multiple times on a single mux rangefeed stream. One of those cases was a check for `ensureClosedTimestampStarted`. If this method returned an error, we would immediately send the error on the rpc stream, and then complete the future with nil error. Another instance was when registry would `DisconnectWithErr` -- in that case, we would first complete future in this method, and then, complete it again later. It appears that completing future multiple times should be okay; however, it is still a bit worrysome. The deadlocks observed were all in the local RPC bypas (`rpc/context.go`), and it's not a stretch to imagine that as soon as the first error (e.g. from ensureClosedTimestampStarted) is returned, the goroutine reading these messages terminates, and causes the subsequent attempt to send the error deadlock. Another hypothetical issue is how the mux rangefeed sent the error when the future completed. Prior to this change, this happened inline (via `WhenReady` closure). This is dangerous since this closure may run when important locks (such as raft mu) are being held. What could happen is that mux rangefeed encounters a retryable error. The future is prepared with error value, which causes an error to be sent to the client. This happens with some lock being held. The client, notices this error, and attempts to restart rangefeed -- to the same server, and that could block; At least in theory. Regardless, it seems that performing IO while the locks could be potentially held, is not a good idea. This PR fixes this problem by shunting logical rangefeed completion notification to a dedicated go routine. Informs cockroachdb#99560 Informs cockroachdb#99640 Informs cockroachdb#99214 Informs cockroachdb#98925 Informs cockroachdb#99092 Informs cockroachdb#99212 Informs cockroachdb#99910 Informs cockroachdb#99560 Release note: None
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Apr 13, 2023
100649: kvcoord: Rework error propagation in mux rangefeed r=miretskiy a=miretskiy Prior to this change, there were cases where a future used to wait for a single range feed completion, may be completed multiple times, or a message about range feed termination may be sent multiple times on a single mux rangefeed stream. One of those cases was a check for `ensureClosedTimestampStarted`. If this method returned an error, we would immediately send the error on the rpc stream, and then complete the future with nil error. Another instance was when registry would `DisconnectWithErr` -- in that case, we would first complete future in this method, and then, complete it again later. It appears that completing future multiple times should be okay; however, it is still a bit worrysome. The deadlocks observed were all in the local RPC bypas (`rpc/context.go`), and it's not a stretch to imagine that as soon as the first error (e.g. from ensureClosedTimestampStarted) is returned, the goroutine reading these messages terminates, and causes the subsequent attempt to send the error deadlock. Another hypothetical issue is how the mux rangefeed sent the error when the future completed. Prior to this change, this happened inline (via `WhenReady` closure). This is dangerous since this closure may run when important locks (such as raft mu) are being held. What could happen is that mux rangefeed encounters a retryable error. The future is prepared with error value, which causes an error to be sent to the client. This happens with some lock being held. The client, notices this error, and attempts to restart rangefeed -- to the same server, and that could block; At least in theory. Regardless, it seems that performing IO while the locks could be potentially held, is not a good idea. This PR fixes this problem by shunting logical rangefeed completion notification to a dedicated go routine. Informs #99560 Informs #99640 Informs #99214 Informs #98925 Informs #99092 Informs #99212 Informs #99910 Informs #99560 Release note: None Co-authored-by: Yevgeniy Miretskiy <[email protected]>
blathers-crl bot
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Apr 13, 2023
Prior to this change, there were cases where a future used to wait for a single range feed completion, may be completed multiple times, or a message about range feed termination may be sent multiple times on a single mux rangefeed stream. One of those cases was a check for `ensureClosedTimestampStarted`. If this method returned an error, we would immediately send the error on the rpc stream, and then complete the future with nil error. Another instance was when registry would `DisconnectWithErr` -- in that case, we would first complete future in this method, and then, complete it again later. It appears that completing future multiple times should be okay; however, it is still a bit worrysome. The deadlocks observed were all in the local RPC bypas (`rpc/context.go`), and it's not a stretch to imagine that as soon as the first error (e.g. from ensureClosedTimestampStarted) is returned, the goroutine reading these messages terminates, and causes the subsequent attempt to send the error deadlock. Another hypothetical issue is how the mux rangefeed sent the error when the future completed. Prior to this change, this happened inline (via `WhenReady` closure). This is dangerous since this closure may run when important locks (such as raft mu) are being held. What could happen is that mux rangefeed encounters a retryable error. The future is prepared with error value, which causes an error to be sent to the client. This happens with some lock being held. The client, notices this error, and attempts to restart rangefeed -- to the same server, and that could block; At least in theory. Regardless, it seems that performing IO while the locks could be potentially held, is not a good idea. This PR fixes this problem by shunting logical rangefeed completion notification to a dedicated go routine. Informs #99560 Informs #99640 Informs #99214 Informs #98925 Informs #99092 Informs #99212 Informs #99910 Informs #99560 Release note: None
blathers-crl bot
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Prior to this change, there were cases where a future used to wait for a single range feed completion, may be completed multiple times, or a message about range feed termination may be sent multiple times on a single mux rangefeed stream. One of those cases was a check for `ensureClosedTimestampStarted`. If this method returned an error, we would immediately send the error on the rpc stream, and then complete the future with nil error. Another instance was when registry would `DisconnectWithErr` -- in that case, we would first complete future in this method, and then, complete it again later. It appears that completing future multiple times should be okay; however, it is still a bit worrysome. The deadlocks observed were all in the local RPC bypas (`rpc/context.go`), and it's not a stretch to imagine that as soon as the first error (e.g. from ensureClosedTimestampStarted) is returned, the goroutine reading these messages terminates, and causes the subsequent attempt to send the error deadlock. Another hypothetical issue is how the mux rangefeed sent the error when the future completed. Prior to this change, this happened inline (via `WhenReady` closure). This is dangerous since this closure may run when important locks (such as raft mu) are being held. What could happen is that mux rangefeed encounters a retryable error. The future is prepared with error value, which causes an error to be sent to the client. This happens with some lock being held. The client, notices this error, and attempts to restart rangefeed -- to the same server, and that could block; At least in theory. Regardless, it seems that performing IO while the locks could be potentially held, is not a good idea. This PR fixes this problem by shunting logical rangefeed completion notification to a dedicated go routine. Informs #99560 Informs #99640 Informs #99214 Informs #98925 Informs #99092 Informs #99212 Informs #99910 Informs #99560 Release note: None
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@irfansharif were you able to reproduce this failure? Seems like nothing happened for two weeks. Why is that? was there something that you did on your side (disable metamorphic tests perhpaps)? At any rate, I would love to know if this issue reproduces w/ mux rf with recent changes. |
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We have marked this test failure issue as stale because it has been |
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pkg/ccl/spanconfigccl/spanconfigsqlwatcherccl/spanconfigsqlwatcherccl_test.TestSQLWatcherMultiple failed with artifacts on master @ ad4463c6f2759b1a729184097b315a6b46f8d922:
Parameters:
TAGS=bazel,gssHelp
See also: How To Investigate a Go Test Failure (internal)
This test on roachdash | Improve this report!
Jira issue: CRDB-25594
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