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Kenneth Reitz
51 lines
1.9 KiB
ReStructuredText
51 lines
1.9 KiB
ReStructuredText
`|Redis Documentation| <index.html>`_
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**RedisBigData: Contents**
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`BGSAVE and BGREWRITEAOF blocking fork() call <#BGSAVE%20and%20BGREWRITEAOF%20blocking%20fork()%20call>`_
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`Using multiple cores <#Using%20multiple%20cores>`_
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`Splitting data into multiple instances <#Splitting%20data%20into%20multiple%20instances>`_
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`BGSAVE / AOFSAVE memory usage, and copy on write <#BGSAVE%20/%20AOFSAVE%20memory%20usage,%20and%20copy%20on%20write>`_
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`BGSAVE / AOFSAVE time for big datasets <#BGSAVE%20/%20AOFSAVE%20time%20for%20big%20datasets>`_
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`Non blocking hash table <#Non%20blocking%20hash%20table>`_
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RedisBigData
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============
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=Redis Big Data: facts and guidelines=
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BGSAVE and BGREWRITEAOF blocking fork() call
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--------------------------------------------
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::
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fork.c && ./a.out
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allocated: 1 MB, fork() took 0.000
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allocated: 10 MB, fork() took 0.001
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allocated: 100 MB, fork() took 0.007
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allocated: 1000 MB, fork() took 0.059
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allocated: 10000 MB, fork() took 0.460
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allocated: 20000 MB, fork() took 0.895
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allocated: 30000 MB, fork() took 1.327
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allocated: 40000 MB, fork() took 1.759
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allocated: 50000 MB, fork() took 2.190
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allocated: 60000 MB, fork() took 2.621
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allocated: 70000 MB, fork() took 3.051
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allocated: 80000 MB, fork() took 3.483
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allocated: 90000 MB, fork() took 3.911
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allocated: 100000 MB, fork() took 4.340
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allocated: 110000 MB, fork() took 4.770
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allocated: 120000 MB, fork() took 5.202
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Using multiple cores
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--------------------
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Splitting data into multiple instances
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--------------------------------------
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BGSAVE / AOFSAVE memory usage, and copy on write
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------------------------------------------------
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BGSAVE / AOFSAVE time for big datasets
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--------------------------------------
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Non blocking hash table
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-----------------------
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.. |Redis Documentation| image:: redis.png |