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Hadoop QA commented on HDFS-7784:
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| (x) *{color:red}-1 overall{color}* |
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Gang Xie commented on HDFS-7784:
About the GC activities, the following is the gstat output. And it do
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Gang Xie commented on HDFS-7784:
The hardware info:
CPU:
Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz with 24
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Kai Zheng commented on HDFS-7784:
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OOO today for customer visit, please expect delayed response. Thanks.
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Gang Xie commented on HDFS-7784:
The JVM setting:
-Xmx102400m
-Xms102400m
-Xmn5508m
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Kihwal Lee commented on HDFS-7784:
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[~xiegang112], when you have a chance to test the performance, please
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Gang Xie commented on HDFS-7784:
After make the AclStorage synchronized, it could works. the loading time
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Gang Xie commented on HDFS-7784:
Found a potential issue while trying to back port this patch to 2.4. Pls
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Gang Xie commented on HDFS-7784:
Hello,
Any update about this improvement? Loading huge image really takes
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Kihwal Lee commented on HDFS-7784:
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bq. protobuf seems to generate a lot of garbage during startup,
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Colin Patrick McCabe commented on HDFS-7784:
Thanks, [~kihwal]. Unfortunately, that's what
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Kihwal Lee commented on HDFS-7784:
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bq. ... find out that the bottleneck is deserialization taking too
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Walter Su commented on HDFS-7784:
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I use visualvm to profile the loading process and find
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Colin Patrick McCabe commented on HDFS-7784:
At the end of the day, there are
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Hadoop QA commented on HDFS-7784:
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{color:red}-1 overall{color}. Here are the results of
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Hadoop QA commented on HDFS-7784:
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{color:red}-1 overall{color}. Here are the results of
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Walter Su commented on HDFS-7784:
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I agree with you. A single Namenode with 64GB memory can
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Walter Su commented on HDFS-7784:
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I mean fsimage loading time drops from 371s to 159s. And
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Walter Su commented on HDFS-7784:
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In my testing, the memory usage doesn't grow. GC doesn't
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Kai Zheng commented on HDFS-7784:
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Hi [~walter.k.su],
It's interesting, thanks !
bq.So I
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Haohui Mai commented on HDFS-7784:
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I've done some experiments in HDFS-5698. Parallelism
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Colin Patrick McCabe commented on HDFS-7784:
Hi Walter, this is an interesting
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Walter Su commented on HDFS-7784:
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I'll upload performance test results in 4 hours.
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