Cov txheej txheem:
- Cov lus qhia kho java. lang. OutOfMemoryError: GC nyiaj siv ua haujlwm dhau qhov txwv
- Yog tias koj txiav txim siab nce qhov chaw nco, muaj ob peb txoj hauv kev los ua raws
Video: Java Lang OutOfMemoryError GC overhead txwv yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
lang . OutOfMemoryError : GC nyiaj siv ua haujlwm tshaj qhov txwv yuam kev yog ib qho yuam kev pov los ntawm tus Java lub tshuab virtual los qhia tias daim ntawv thov siv sijhawm ntau dua hauv kev khaws cov khib nyiab ( GC ) tshaj hauv kev ua haujlwm muaj txiaj ntsig. Qhov kev ua yuam kev no tau muab pov tseg los ntawm JVM thaum daim ntawv thov siv 98% ntawm lub sijhawm khaws cov khib nyiab.
Yog li ntawd, kuv yuav kho li cas Java Lang OutOfMemoryError GC overhead txwv?
Cov lus qhia kho java. lang. OutOfMemoryError: GC nyiaj siv ua haujlwm dhau qhov txwv
- Ua kom qhov siab tshaj plaws heap loj rau tus lej uas tsim nyog rau koj daim ntawv thov xws li. -Xmx=4G.
- Yog tias koj tsis siv lawm ces sim siv -XX: +UseConcMarkSweepGC khib nyiab hauv koj daim ntawv thov Java.
Ib tug kuj yuav nug, dab tsi ua rau tawm ntawm lub cim xeeb yuam kev hauv Java? lang. OutOfMemoryError kev zam . Feem ntau, qhov no yuam kev muab pov tseg thaum tsis muaj chaw txaus los faib cov khoom hauv qhov Java pob. Nyob rau hauv rooj plaub no, Cov khib nyiab khib nyiab tsis tuaj yeem ua kom muaj chaw txaus kom haum rau ib qho khoom tshiab, thiab cov heap tsis tuaj yeem nthuav dav ntxiv.
Kuj kom paub yog, Kuv yuav kho li cas ntawm kev nco yuam kev hauv Java?
Yog tias koj txiav txim siab nce qhov chaw nco, muaj ob peb txoj hauv kev los ua raws
- Ua kom Xmx nce me me (piv txwv li 512mb ntawm ib lub sijhawm), kom txog thaum koj tsis muaj qhov yuam kev OutOfMemory lawm.
- Yog tias koj qhov yuam kev yog java.
- Yog tias koj qhov yuam kev tsis siv PermGen, tsis tas yuav nce nws.
Dab tsi ua rau tawm ntawm kev nco yuam kev?
Ib tawm ntawm lub cim xeeb yuam kev hais feem ntau rau tus nqi ntawm nco nws muaj los ua cov haujlwm tshwj xeeb. Yog li, ib qho kev sib txawv ua rau ntawm cov no tawm ntawm lub cim xeeb yuam kev tab tom khiav ntau yam kev pab cuam ib txhij.
Pom zoo:
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Dab tsi yog qhov qub txeeg qub teg Dab tsi yog qhov sib txawv ntawm qhov qub txeeg qub teg piav nrog piv txwv?
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Dab tsi yog qhov kev txwv kev ncaj ncees piav qhia txog kev ncaj ncees lossis kev txwv txawv teb chaws?
Kev lees paub ncaj ncees xav kom tus yuam sij txawv teb chaws yuav tsum muaj tus yuam sij tseem ceeb sib xws lossis nws yuav tsum yog null. Qhov kev txwv no tau teev tseg ntawm ob lub rooj (niam txiv thiab menyuam); nws tuav cov ntawv xov xwm ntawm kab hauv cov rooj no. Nws txhais tau hais tias kev siv los ntawm kab hauv ib lub rooj mus rau lwm lub rooj yuav tsum siv tau