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62 lines
2.1 KiB
Go
62 lines
2.1 KiB
Go
package cgo
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/*
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#cgo pkg-config: milvus_core
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#include "futures/future_c.h"
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#include "segcore/segcore_init_c.h"
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*/
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import "C"
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import (
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"context"
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"math"
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"github.com/milvus-io/milvus/pkg/v3/config"
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"github.com/milvus-io/milvus/pkg/v3/mlog"
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"github.com/milvus-io/milvus/pkg/v3/util/hardware"
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"github.com/milvus-io/milvus/pkg/v3/util/paramtable"
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)
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// initExecutor initialize underlying cgo thread pools.
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func initExecutor() {
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pt := paramtable.Get()
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// Initialize search executor pool.
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searchPoolSize := int(math.Ceil(pt.QueryNodeCfg.MaxReadConcurrency.GetAsFloat() * pt.QueryNodeCfg.CGOPoolSizeRatio.GetAsFloat()))
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setSearchThreadNum(searchPoolSize)
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resetSearchThreadNum := func(evt *config.Event) {
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if evt.HasUpdated {
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pt := paramtable.Get()
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newSize := int(math.Ceil(pt.QueryNodeCfg.MaxReadConcurrency.GetAsFloat() * pt.QueryNodeCfg.CGOPoolSizeRatio.GetAsFloat()))
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mlog.Info(context.TODO(), "reset cgo search thread num", mlog.Int("thread_num", newSize))
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setSearchThreadNum(newSize)
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}
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}
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pt.Watch(pt.QueryNodeCfg.MaxReadConcurrency.Key, config.NewHandler("cgo.search."+pt.QueryNodeCfg.MaxReadConcurrency.Key, resetSearchThreadNum))
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pt.Watch(pt.QueryNodeCfg.CGOPoolSizeRatio.Key, config.NewHandler("cgo.search."+pt.QueryNodeCfg.CGOPoolSizeRatio.Key, resetSearchThreadNum))
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// Initialize load executor pool.
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loadPoolSize := hardware.GetCPUNum() * pt.CommonCfg.MiddlePriorityThreadCoreCoefficient.GetAsInt()
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C.executor_set_load_thread_num(C.int(loadPoolSize))
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resetLoadThreadNum := func(evt *config.Event) {
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if evt.HasUpdated {
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pt := paramtable.Get()
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newSize := hardware.GetCPUNum() * pt.CommonCfg.MiddlePriorityThreadCoreCoefficient.GetAsInt()
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mlog.Info(context.TODO(), "reset cgo load thread num", mlog.Int("thread_num", newSize))
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C.executor_set_load_thread_num(C.int(newSize))
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}
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}
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pt.Watch(pt.CommonCfg.MiddlePriorityThreadCoreCoefficient.Key, config.NewHandler("cgo.load."+pt.CommonCfg.MiddlePriorityThreadCoreCoefficient.Key, resetLoadThreadNum))
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}
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func setSearchThreadNum(size int) {
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if size <= 0 {
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size = 1
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}
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C.executor_set_search_thread_num(C.int(size))
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C.SegcoreSetPrefetchThreadPoolNum(C.uint32_t(size))
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}
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