Why Hash rate is low when many worker using???
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Hello, Why Hash rate is low when many worker using??? 

more time hash rate is zero or hashrate is very low?

i used supportxmr pool too but idont get result

Please advise me on the best configuration

My config is:

{
    "access-log-file": null,
    "access-password": null,
    "algo-ext": true,
    "api": {
        "id": null,
        "worker-id": null
    },
    "http": {
        "enabled": true,
        "host": "127.0.0.1",
        "port": 1500,
        "access-token": null,
        "restricted": true
    },
    "background": false,
    "bind": [
        {
            "host": "0.0.0.0",
            "port": 3333,
            "tls": false
        },
        {
            "host": "::",
            "port": 3333,
            "tls": false
        }
    ],
    "colors": true,
    "custom-diff": 5000000,
    "custom-diff-stats": true,
    "donate-level": 0,
    "log-file": null,
    "mode": "nicehash",
    "pools": [
        {
            "algo": null,
            "coin": "monero",
            "url": "fr.minexmr.com:3333",
            "user": "MyWallet",
            "pass": "PServer",
            "rig-id": null,
            "keepalive": true,
            "enabled": true,
            "tls": false,
            "tls-fingerprint": null,
            "daemon": true
        }
    ],
    "retries": 2,
    "retry-pause": 1,
    "reuse-timeout": 0,
    "tls": {
        "protocols": null,
        "cert": null,
        "cert_key": null,
        "ciphers": null,
        "ciphersuites": null,
        "dhparam": null
    },
    "user-agent": null,
    "syslog": false,
    "verbose": false,
    "watch": true,
    "workers": true
}