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fix(probe): do not contend for lock in lazy load #8037
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Issues related to GraphQL support on Dgraph.
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Sep 17, 2021
NamanJain8
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aman-bansal
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Sep 20, 2021
NamanJain8
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Sep 20, 2021
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
aman-bansal
pushed a commit
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Sep 21, 2021
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up.
NamanJain8
added a commit
that referenced
this pull request
Sep 25, 2021
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
all-seeing-code
pushed a commit
that referenced
this pull request
Dec 14, 2022
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8) (cherry picked from commit 04ee066)
all-seeing-code
pushed a commit
that referenced
this pull request
Dec 14, 2022
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8) (cherry picked from commit 04ee066)
all-seeing-code
pushed a commit
that referenced
this pull request
Dec 14, 2022
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8) (cherry picked from commit 04ee066)
mangalaman93
pushed a commit
that referenced
this pull request
Jan 4, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
mangalaman93
pushed a commit
that referenced
this pull request
Jan 6, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
mangalaman93
pushed a commit
that referenced
this pull request
Jan 17, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
mangalaman93
pushed a commit
that referenced
this pull request
Jan 18, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
mangalaman93
pushed a commit
that referenced
this pull request
Jan 20, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
mangalaman93
added a commit
that referenced
this pull request
Feb 1, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
mangalaman93
added a commit
that referenced
this pull request
Feb 2, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
mangalaman93
added a commit
that referenced
this pull request
Feb 2, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
all-seeing-code
pushed a commit
that referenced
this pull request
Feb 8, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
all-seeing-code
pushed a commit
that referenced
this pull request
Feb 8, 2023
Earlier the admin server mutex lock was used to protect the graphql schema map. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema. /probe/graphql is used as health check and is called very frequently. This rlock on adminserver mutex makes the /probe/graphql requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up. (cherry picked from commit 5ad40d8)
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Earlier the admin server mutex lock was used to protect the graphql schema
map
. But now we store that in schema store that internally handles the concurrency. Hence, we don't need to take the admin server's read lock to access schema./probe/graphql
is used as health check and is called very frequently. This rlock on adminserver mutex makes the/probe/graphql
requests block while lazy loading when restore operation gets triggered at the startup. That leads to so many go routines being spun up.This change is