fix(dns): Eliminate asynchronous timer in syncQuery() to prevent hang risk#11900

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dndx merged 26 commits intomasterfrom fix_dns_blocking

Nov 15, 2023

+137-124

Commits on Nov 15, 2023

Revert "fix(conf): set default value of dns_no_sync to on (#11869 )"

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fix(dns): introduce the synchronous query in syncQuery() to prevent hang risk

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fix(dns): using yield() instead of ngx.sleep(0)

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chore(dns): restore fix_dns_enable_dns_no_sync.yml

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fix(dns): remove calls to yield()/ngx.sleep(0)

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fix(dns): improve the logic of handling the unyieldable situation

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fix(dns): eliminate the asynchronous query in syncQuery

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fix(dns): improve test case

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fix(dns): clear comment

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fix(dns): abstract common logic for the queue and item

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fix(dns): fix lua runtime error found by test caes

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chore(dns): rename queue_get_item

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fix(dns): add bug-checking logic

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fix(dns): avoid query item from being repeatedly released

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fix(dns): add 1s to resolve_max_wait

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fix(dns): get error message to try_list in queue_get_query()

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fix(dns): add test case to test stale data timer

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chore(dns): fix comment typo

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chore(dns): fix comment typo

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Delete changelog/unreleased/kong/fix_dns_enable_dns_no_sync.yml

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chore(dns): improve message in chagnelog

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chore(dns): add new changelog

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chore(dns): fix typo in changelog

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fix(dns): round sema:wait time to the nearest 1ms

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fix(dns): reverse modification of sema:wait()

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Update changelog/unreleased/kong/fix_dns_disable_dns_no_sync.yml

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fix(dns): Eliminate asynchronous timer in syncQuery() to prevent hang risk#11900

Commits on Nov 15, 2023

Revert "fix(conf): set default value of `dns_no_sync` to `on` (#11869 )"

fix(dns): introduce the synchronous query in syncQuery() to prevent hang risk

fix(dns): using yield() instead of ngx.sleep(0)

chore(dns): restore fix_dns_enable_dns_no_sync.yml

fix(dns): remove calls to yield()/ngx.sleep(0)

fix(dns): improve the logic of handling the unyieldable situation

fix(dns): eliminate the asynchronous query in syncQuery

fix(dns): improve test case

fix(dns): clear comment

fix(dns): abstract common logic for the queue and item

fix(dns): fix lua runtime error found by test caes

chore(dns): rename queue_get_item

fix(dns): add bug-checking logic

fix(dns): avoid query item from being repeatedly released

fix(dns): add 1s to resolve_max_wait

fix(dns): get error message to try_list in queue_get_query()

fix(dns): add test case to test stale data timer

chore(dns): fix comment typo

chore(dns): fix comment typo

Delete changelog/unreleased/kong/fix_dns_enable_dns_no_sync.yml

chore(dns): improve message in chagnelog

chore(dns): add new changelog

chore(dns): fix typo in changelog

fix(dns): round sema:wait time to the nearest 1ms

fix(dns): reverse modification of sema:wait()

Update changelog/unreleased/kong/fix_dns_disable_dns_no_sync.yml