yipu3

use solana_account_decoder::UiAccountEncoding;
use solana_client::{nonblocking::rpc_client::RpcClient, rpc_config::RpcAccountInfoConfig};
use solana_sdk::pubkey::Pubkey;
use std::str::FromStr;

#[derive(Clone, Default, PartialEq, Debug)]
pub struct PoolPair {
    base_mint: String,
    quote_mint: String,
}

yipu3

conversation_id=$1

log="$conversation_id.log"
output="$conversation_id.txt"

rm -f $log && touch $log
rm -f $output && touch $output

data=$(curl --request GET --url "https://api.twitter.com/2/tweets/search/recent?query=conversation_id:$conversation_id" --header Authorization:\ Bearer\ $ACCESS_TOKEN)
echo $data >> $log

yipu3

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

yipu3

spark：0m5.934s
hadoop：0m20.939s

yipu3

测试磁盘读取速度：
sudo hdparm -Tt /dev/sdb1
Timing cached reads：从linux cache读（不从磁盘读）
Timing buffered disk reads：从磁盘顺序读

测试结果：
/dev/sdb1:
 Timing cached reads:   18374 MB in  2.00 seconds = 9196.61 MB/sec
 Timing buffered disk reads: 456 MB in  3.00 seconds = 151.75 MB/sec