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[fix](query cancel) Fix query is cancelled when it comes from follower FE #37662

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merged 2 commits into from
Jul 12, 2024
+27 −5
Merged

[fix](query cancel) Fix query is cancelled when it comes from follower FE #37662

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9c9cee8
FIX
zhiqiang-hhhh Jul 11, 2024
097d51f
FIX
zhiqiang-hhhh Jul 11, 2024
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32 changes: 27 additions & 5 deletions be/src/runtime/fragment_mgr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
#include <thrift/transport/TTransportException.h>
#include <unistd.h>

#include <algorithm>
#include <atomic>

#include "common/status.h"
Expand Down Expand Up @@ -896,11 +897,32 @@ void FragmentMgr::cancel_worker() {
print_id(q_ctx->query_id()));
}
} else {
LOG_WARNING(
"Could not find target coordinator {}:{} of query {}, going to "
"cancel it.",
q_ctx->coord_addr.hostname, q_ctx->coord_addr.port,
print_id(q_ctx->query_id()));
// In some rear cases, the rpc port of follower is not updated in time,
// then the port of this follower will be zero, but acutally it is still running,
// and be has already received the query from follower.
// So we need to check if host is in running_fes.
bool fe_host_is_standing = std::any_of(
running_fes.begin(), running_fes.end(),
[&q_ctx](const auto& fe) {
return fe.first.hostname == q_ctx->coord_addr.hostname &&
fe.first.port == 0;
});
if (fe_host_is_standing) {
LOG_WARNING(
"Coordinator {}:{} is not found, but its host is still "
"running with an unstable brpc port, not going to cancel "
"it.",
q_ctx->coord_addr.hostname, q_ctx->coord_addr.port,
print_id(q_ctx->query_id()));
continue;
} else {
LOG_WARNING(
"Could not find target coordinator {}:{} of query {}, "
"going to "
"cancel it.",
q_ctx->coord_addr.hostname, q_ctx->coord_addr.port,
print_id(q_ctx->query_id()));
}
}
}
// Coordinator of this query has already dead or query context has been released.
Expand Down
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