[SPARK-15260] Atomically resize memory pools (branch 1.6) #13058
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LGTM |
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Test build #58406 has finished for PR 13058 at commit
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asfgit
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## What changes were proposed in this pull request? (This is the branch-1.6 version of #13039) When we acquire execution memory, we do a lot of things between shrinking the storage memory pool and enlarging the execution memory pool. In particular, we call memoryStore.evictBlocksToFreeSpace, which may do a lot of I/O and can throw exceptions. If an exception is thrown, the pool sizes on that executor will be in a bad state. This patch minimizes the things we do between the two calls to make the resizing more atomic. ## How was this patch tested? Jenkins. Author: Andrew Or <[email protected]> Closes #13058 from andrewor14/safer-pool-1.6.
zzcclp
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## What changes were proposed in this pull request? (This is the branch-1.6 version of apache#13039) When we acquire execution memory, we do a lot of things between shrinking the storage memory pool and enlarging the execution memory pool. In particular, we call memoryStore.evictBlocksToFreeSpace, which may do a lot of I/O and can throw exceptions. If an exception is thrown, the pool sizes on that executor will be in a bad state. This patch minimizes the things we do between the two calls to make the resizing more atomic. ## How was this patch tested? Jenkins. Author: Andrew Or <[email protected]> Closes apache#13058 from andrewor14/safer-pool-1.6. (cherry picked from commit fd2da7b)
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What changes were proposed in this pull request?
(This is the branch-1.6 version of #13039)
When we acquire execution memory, we do a lot of things between shrinking the storage memory pool and enlarging the execution memory pool. In particular, we call memoryStore.evictBlocksToFreeSpace, which may do a lot of I/O and can throw exceptions. If an exception is thrown, the pool sizes on that executor will be in a bad state.
This patch minimizes the things we do between the two calls to make the resizing more atomic.
How was this patch tested?
Jenkins.