Marco Yeung myeung18
myeung18
/ gist:454d62a9ecc08b5cd952ce0485fbaa28
Created
November 9, 2021 20:46
c.KubeSpawner.extra_containers causes "Error in Authenticator.pre_spawn_start: TypeError 'NoneType' "
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| ---> Running application from script (/opt/app-root/builder/run) ... | |
| + trap 'kill -TERM $PID' TERM INT | |
| + PID=36 | |
| + wait 36 | |
| + start-jupyterhub.sh | |
| + set -eo pipefail | |
| + PATH=/opt/app-root/bin:/opt/rh/rh-python36/root/usr/bin:/opt/rh/rh-nodejs10/root/usr/bin:/opt/rh/httpd24/root/usr/bin:/opt/rh/httpd24/root/usr/sbin:/opt/app-root/src/.local/bin/:/opt/app-root/src/bin:/opt/app-root/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/app-root/scripts | |
| + . /opt/app-root/etc/jupyterhub_config.sh | |
| ++ '[' x '!=' x ']' | |
| ++ '[' -f /opt/app-root/src/.jupyter/jupyterhub_config.sh ']' |
myeung18
/ latency.txt
Created
September 16, 2018 14:52
— forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
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| Latency Comparison Numbers (~2012) | |
| ---------------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |