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author | John Högberg <[email protected]> | 2018-05-03 12:37:49 +0200 |
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committer | John Högberg <[email protected]> | 2018-06-28 09:05:43 +0200 |
commit | c7dc896e8897988ccc033e18fa19670ba7160565 (patch) | |
tree | c0aa20a10c35fb0b5a93d23d9813bab3cc6f4514 /erts/emulator/internal_doc/CarrierMigration.md | |
parent | d3147dd8fc0ee913bc7146efb4d041d04f6582d8 (diff) | |
download | otp-c7dc896e8897988ccc033e18fa19670ba7160565.tar.gz otp-c7dc896e8897988ccc033e18fa19670ba7160565.tar.bz2 otp-c7dc896e8897988ccc033e18fa19670ba7160565.zip |
Allow cross-type carrier migration
Diffstat (limited to 'erts/emulator/internal_doc/CarrierMigration.md')
-rw-r--r-- | erts/emulator/internal_doc/CarrierMigration.md | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/erts/emulator/internal_doc/CarrierMigration.md b/erts/emulator/internal_doc/CarrierMigration.md index 3a796d11b7..6c79bd731c 100644 --- a/erts/emulator/internal_doc/CarrierMigration.md +++ b/erts/emulator/internal_doc/CarrierMigration.md @@ -34,8 +34,7 @@ Solution -------- In order to prevent scenarios like this we've implemented support for -migration of multi-block carriers between allocator instances of the -same type. +migration of multi-block carriers between allocator instances. ### Management of Free Blocks ### @@ -130,10 +129,6 @@ threads may have references to it via the pool. ### Migration ### -There exists one pool for each allocator type enabling migration of -carriers between scheduler specific allocator instances of the same -allocator type. - Each allocator instance keeps track of the current utilization of its multi-block carriers. When the total utilization falls below the "abandon carrier utilization limit" it starts to inspect the utilization of the @@ -287,11 +282,3 @@ reduced using the `aoffcbf` strategy. A trade off between memory consumption and performance is however inevitable, and it is up to the user to decide what is most important. -Further work ------------- - -It would be quite easy to extend this to allow migration of multi-block -carriers between all allocator types. More or less the only obstacle -is maintenance of the statistics information. - - |