Comments (8)
Hi,
For (1), our paper also stated that the number of stash buckets is 2. Where is the difference?
For (2), possibly your PM pool has been full after running 6 times. So you should first delete the pool and create the new pool for Dash.
Baotong
from dash.
Hi, @baotonglu Thanks for your quick reply!
For 1, sorry, I checked your paper again. It was stated in experiment part that you used 2 stash buckets. So you are right. I thought the stash bucket should be 4 because of the description in Section 4.3.
For 2, I am a beginner who just starts learning DCPMM, could you share some links where I can find the command to clean PM pool? In dash, is it possible to add function to clean pool after every experiment? I find you have a function called Close_pool
in allocator.h.
I print the pmem_ex.data information by using command pmempool info -s pmem_ex.data
. But it seems that it has a large available space. But my program still is stuck during loading phase, this time it can only load 40000 warm-up records.
In addtion, could you explain the meaning of depth_count
in struct Directory
?
from dash.
Deleting the pool before running the experiment is ok, like this.
Depth_count is used for directory halving, which is not fully supported in the current version of Dash. So don't care about it now.
Baotong
from dash.
Hi, I have already delete the file using rm
command. But it still cannot run normally. I print the idx in Load
function, and find that it stops when tries to insert _worklod[31985]
.
Are there any other possible solutions?
from dash.
"I feel confused because I have already run dash-ex about 6 times, where dash-ex works pretty well." => So it worked well previously?
from dash.
Yes, it works well when I run the experiment during the initial times. I run it successfully about the first 6 times, just modifying the pm directory in shell script run.sh and test_pmem.cpp.
from dash.
I guess you should give up your modifications, clone our repo again, build and test it.
Without enough information, I cannot help you figure out the reason.
from dash.
Ok, I will have a try. Thanks!
from dash.
Related Issues (12)
- Question about bucket::insert HOT 4
- Question about failed to create a pool HOT 1
- How dose key map to key_hash? HOT 1
- What is the specific process of rehashing? HOT 2
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- Question about tailMask
- fatal error: garbage_list.h: No such file or directory HOT 2
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- Question about the concurrency of Directory update HOT 5
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