diff options
| author | Geir Storli <geirst@oath.com> | 2017-10-11 12:05:41 +0000 |
|---|---|---|
| committer | Geir Storli <geirst@oath.com> | 2017-10-12 12:12:05 +0000 |
| commit | 9975d05886599c251886a708b33d8be02f0fb22e (patch) | |
| tree | bcd8b36691d71d4ba56765d9850d9168c8f192c8 /searchcore | |
| parent | 00aa542872e3c3cf3004a93da85d6c1464866dd0 (diff) | |
Add config for feeding concurrency setting.
Diffstat (limited to 'searchcore')
| -rw-r--r-- | searchcore/src/vespa/searchcore/config/proton.def | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/searchcore/src/vespa/searchcore/config/proton.def b/searchcore/src/vespa/searchcore/config/proton.def index 520dab6c988..ddb2711fac8 100644 --- a/searchcore/src/vespa/searchcore/config/proton.def +++ b/searchcore/src/vespa/searchcore/config/proton.def @@ -433,6 +433,21 @@ hwinfo.memory.size long default = 0 ## If set to 0, this is sampled by using std::thread::hardware_concurrency(). hwinfo.cpu.cores int default = 0 +## A number between 0.0 and 1.0 that specifies the concurrency when handling feed operations. +## When set to 1.0 all cores on the cpu is utilized. +## +## 4 thread pools used for various aspect of feeding are configured based on this setting: +## 1) Compressing and compacting documents +## 2) Writing changes to attribute fields +## 3) Inverting index fields +## 4) Writing changes to index fields +## +## The number of threads in pool 1 is calculated as: +## max(ceil(hwinfo.cpu.cores * feeding.concurrency), summary.log.numthreads) +## The number of threads in each of pools 2-4 is calculated as: +## max(ceil((hwinfo.cpu.cores * feeding.concurrency)/3), indexing.threads) +feeding.concurrency double default = 0.5 restart + ## Adjustment to resource limit when determining if maintenance jobs can run. ## ## Currently used by 'lid_space_compaction' and 'move_buckets' jobs. |