Comments (18)
Hi, ./restartMemc.sh
only needs to be executed once before each run: execute it on machine 1, but not machine 2.
Besides, the memached consumes almost no system resources, so you can co-locate it with Sherman processes.
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Thanks for your quick reply, we now can run Sherman successfully!
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Sorry for reopening this issue, but when running multi-machine benchmarks, we have the following errors when the thread number exceeds 4:
on machine 0
on machine 1
And if we start the two servers at almost the same time, we have an assertion failure Assertion page->hdr.sibling_ptr != GlobalAddress::Null() failed
from sherman.
Can you provide a screenshot of the entire test?
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from sherman.
I cannot see the complete output of server 0 (right part of screenshot )
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The missing part is below
and the registering 8589934592 memory region
is some output added by us to see the execution process of Sherman (these outputs are too long and repetitive. I can capture them all)
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Can you check if the error is triggerred when performing
Line 67 in 76e208b
or
Line 71 in 76e208b
?
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Line 74 in 76e208b
The above line triggers the error
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Is it OK when the number of threads is 2?
Can you print the information of related variables?
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Unfortunately currently 2-thread benchmark fails too and error messages are the same (I wonder if maybe I should reboot the machines after each run?)
I have the following variables with -O0
optimization:
The root_addr.val
's hex value is 0x20000000001
. It doesn't look like a valid value.
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How about a single thread in each machine? Please check RDMA network state via running ibv_write_bw
.
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Running single-thread benchmarks sometime is OK and occasionally produces the same error.
ibv_write_bw works fine and our own programs also work.
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This issue is weird because we successfully ran the multithread benchmark on two machines once, but currently it doesn't work, Maybe it is due to some machine state issue?
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Can you insert while(true) {}
after
Line 258 in 76e208b
?
Let's check if these two servers can init the tree successfully
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Sorry for my so late reply, I'm currently busy on another project.
The two servers can init the tree successfully after adding the loop.
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Hi, can you send your WeChat ID via [email protected]
? we can communicate more efficiently through WeChat
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Thank you so much for your help and I've sent my ID to you.
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Related Issues (20)
- How to launch a memory thread in memory node? I mean which executable file should I use? benchmark? HOT 2
- Segmentation fault!(core dumped) when run benchmark! HOT 2
- Sherman Evaluation HOT 1
- YCSB benchmark HOT 2
- Segfault in multi-threaded compute node HOT 14
- Traffic type on Sherman cluster HOT 2
- why use CityHash64 to process key in benchmark.cpp? HOT 2
- it seems to be no 16bit lock on NIC memory HOT 4
- Why range query marked with "need fix"? HOT 2
- It seems that the 4 bit field doesn't become effective. HOT 1
- Missing implementation of fine-grained write back HOT 2
- How to allocate chip memory on new RDMA driver HOT 2
- Can I carry out this exp with only Connectx-4 nics and a 56Gb/s switch? HOT 4
- Question about write completion and visbility HOT 4
- 当运行到connect Node时,无法读取remoteMeta HOT 4
- Question regarding cache eviction HOT 4
- Question regrading root node consistency HOT 2
- Bug report for Tree::leaf_page_search HOT 3
- Question about #define CONFIG_ENABLE_CRC HOT 2
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