/nifi-api/flow/metrics/prometheus   ... View more

Thank you very much for your answer. I will try to adjust the allocation of heap memory. In addition, I would like to ask how the conclusion of using 1GB of memory for every 1 million blocks was drawn? Or is there a more precise calculation method that can lead to such a conclusion? ... View more

Thank you very much for your answer. I will try to adjust the allocation of heap memory. In addition, I would like to ask how the conclusion of using 1GB of memory for every 1 million blocks was drawn? Or is there a more precise calculation method that can lead to such a conclusion? ... View more

I think your intention is to retrieve these data for your own monitoring or reporting tasks. If so, you can try requesting JMX to obtain the relevant data, such as through http://namenode:port/jmx. ... View more

Hi, Scharan, thisi is the command's return: [root@hdp002 ~]# openssl s_client -connect hdp002.datasw.com:50470 -showcerts CONNECTED(00000003) depth=1 C = CN, ST = ShenZhen, L = GuangDong, O = DATASW, OU = PlatformTeam, CN = datsw verify error:num=19:self signed certificate in certificate chain --- Certificate chain 0 s:/C=CN/ST=GuangDong/L=ShenZhen/O=DATASW/OU=PlatformTeam/CN=hdp002.datasw i:/C=CN/ST=ShenZhen/L=GuangDong/O=DATASW/OU=PlatformTeam/CN=datsw -----BEGIN CERTIFICATE----- MIIDXDCCAkQCCQDNmxfKgcxaOjANBgkqhkiG9w0BAQsFADBsMQswCQYDVQQGEwJD TjERMA8GA1UECAwIU2hlblpoZW4xEjAQBgNVBAcMCUd1YW5nRG9uZzEPMA0GA1UE CgwGREFUQVNXMRUwEwYDVQQLDAxQbGF0Zm9ybVRlYW0xDjAMBgNVBAMMBWRhdHN3 MB4XDTIxMDkxNDE3MjcwM1oXDTMxMDkxMjE3MjcwM1owdDELMAkGA1UEBhMCQ04x EjAQBgNVBAgTCUd1YW5nRG9uZzERMA8GA1UEBxMIU2hlblpoZW4xDzANBgNVBAoT BkRBVEFTVzEVMBMGA1UECxMMUGxhdGZvcm1UZWFtMRYwFAYDVQQDEw1oZHAwMDIu ZGF0YXN3MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgUquEQOPlyZs vqfNZCB6qXh+wDoQlOMTPWfoHAtk5c041LwDrtkjF3I+uXntqcV/aB0ufSLA3M/j 2iiPt+8sosjp0cOakWXpOGx3Vv7MXteF/c8HMav+9yheY8qcoHfrRwPqpq9v0Ysz 31v1l6zJiuubF9JJpYMMmBkfwd0RUyLD079VkKAHtq6zAlpBm+zKVc6B0Xiddvw6 La2PB/c+vqVGVKsI+0RqiMdM1IXCuV76CT47riQ8G0PPs1OSu4HVI+J1j6P3R6He rpIG1GstmcGjbR10qo/MDg1svwxiGOJxw1sN+65LQPLB3cTw4JmUMIJq8F1REiAZ azP8I1oTsQIDAQABMA0GCSqGSIb3DQEBCwUAA4IBAQA4B1NwbQ0jBBccOfX0zCoQ mHiIQvpMiiUYJRTAfUqueIFMwRF5aw85u2PAMnkgxqUmRG87RTgOg5dx3hPswS83 FQOeG2kUPXIR9HRaJZirRZ0vZByzsHl77N4Bb0y0Z0m1svbSczxH/RCEY5L7NvMR fUSZjYW8LFk8nl3tH60u4f7cDJ+bTiDA37B7tUqvwrRHsvSJY9Ndp52QRUHxST3o iutBSEOWfhBvPkv7U/B3WAnT9Dp0aSur2jIr5BP99qs13cy4qK0h5OAB+lgCEBt5 L4JKqWOv3W33j4vtNeYOSzfHgoi2JgKDP+imoVgnGeK1GNJsHMxecw4ef0Eik9sW -----END CERTIFICATE----- 1 s:/C=CN/ST=ShenZhen/L=GuangDong/O=DATASW/OU=PlatformTeam/CN=datsw i:/C=CN/ST=ShenZhen/L=GuangDong/O=DATASW/OU=PlatformTeam/CN=datsw -----BEGIN CERTIFICATE----- MIIDqzCCApOgAwIBAgIJAMmdxf5CbH3BMA0GCSqGSIb3DQEBCwUAMGwxCzAJBgNV BAYTAkNOMREwDwYDVQQIDAhTaGVuWmhlbjESMBAGA1UEBwwJR3VhbmdEb25nMQ8w DQYDVQQKDAZEQVRBU1cxFTATBgNVBAsMDFBsYXRmb3JtVGVhbTEOMAwGA1UEAwwF ZGF0c3cwHhcNMjEwOTE0MDE1MTQwWhcNMzEwOTEyMDE1MTQwWjBsMQswCQYDVQQG EwJDTjERMA8GA1UECAwIU2hlblpoZW4xEjAQBgNVBAcMCUd1YW5nRG9uZzEPMA0G A1UECgwGREFUQVNXMRUwEwYDVQQLDAxQbGF0Zm9ybVRlYW0xDjAMBgNVBAMMBWRh dHN3MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuDsAyDscHIGXRmTz EKzWjenR8c2f6hpLEyRTqvlI9AzTd5gZRMMWg7ax4erC7BPwva+RHZoeug9kE2HC UHoGCP4YIZdEux5phPqv1vP/CBvbXnYZ4olMRSJDuf57TpAZjMTy5FHgs7QDzpCk 9Ez7CQWeXaaAaqnGo8SUWLATLadudSgkPDLSJL/h2IGjhxKPMyaHODxXQRxUIRbr tI+8+9+siRLi+3EIhMXLT1oEOnsB/BQmawbNjyLtuZZoH8pyGJ3ByoM06zLWWMGI eujFCOlSRMMzpEr/xLhJQQDFBLEFJKYOD0Z5QbqgrFkQtLOFpEnDbTXasQvlk4on nLVemQIDAQABo1AwTjAdBgNVHQ4EFgQUUkBUUrsXSVF7MQDnB0hKjtpiOt0wHwYD VR0jBBgwFoAUUkBUUrsXSVF7MQDnB0hKjtpiOt0wDAYDVR0TBAUwAwEB/zANBgkq hkiG9w0BAQsFAAOCAQEAdU7iAr/F5lCLvPMfo9LA7JhI7IQdic/EhxELLuUELF7c UBOOlJbWFxLYaZ6SwZ9lGa4d+wjNWoX+QvLt02PGZV3h0aB6O8E0827jjgI61r0C UNSD3N3KadbK52st5W34sIssXqBNIga1w9knfWouiqNcHBixyZdYfWOwGLPSAbpC K4os4yi5QU4YSvNwLO9GAYgem0p0Uel9By3m0cFmyFr+GcA+VAWltk7xBKOsCxam nnQJE+djbMekmXW6cmujbqh02Q6LF0/6wNDMRnRFkDvF5WnT1XxQ7O+HFkeQXPED qCkcKcHLqMxhK72iVlLgCq6n+oYLDxeODfHEjvo3sg== -----END CERTIFICATE----- --- Server certificate subject=/C=CN/ST=GuangDong/L=ShenZhen/O=DATASW/OU=PlatformTeam/CN=hdp002.datasw issuer=/C=CN/ST=ShenZhen/L=GuangDong/O=DATASW/OU=PlatformTeam/CN=datsw --- No client certificate CA names sent Peer signing digest: SHA512 Server Temp Key: ECDH, P-256, 256 bits --- SSL handshake has read 2350 bytes and written 483 bytes --- New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-SHA384 Server public key is 2048 bit Secure Renegotiation IS supported Compression: NONE Expansion: NONE No ALPN negotiated SSL-Session: Protocol : TLSv1.2 Cipher : ECDHE-RSA-AES256-SHA384 Session-ID: 64D5CE575ACD383C1B9BED92D5F2FDC1C63308098FD241173411E62C2E5E0395 Session-ID-ctx: Master-Key: D73511C7D981C1A2F7813E02F102BD23057A5A79C5E9E75C3BCE870AA40D7CE4F02E41115F28510CE7AF85C6F6675BE6 Key-Arg : None Krb5 Principal: None PSK identity: None PSK identity hint: None Start Time: 1691733590 Timeout : 300 (sec) Verify return code: 19 (self signed certificate in certificate chain) --- KIT is not installed on my Windows machine, so I use curl on the Linux server to access the http request of the namenode: curl -i --insecure --negotiate -u: "https://hdp002.datasw.com:50470/jmx?qry=Hadoop:service=NameNode,name=RpcActivityForPort8020"   ... View more