---> uname -a: Linux prd-centos8-docker-4c-4g-2044.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1046 10841 20 3873 14364 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:0b:90:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.249/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85923sec preferred_lft 85923sec inet6 fe80::f816:3eff:fe0b:9013/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:fc:65:a4 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:4eff:fefc:65a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/09/2026 _x86_64_ (4 CPU) 12:28:40 LINUX RESTART (4 CPU) 12:30:01 PM tps rtps wtps bread/s bwrtn/s 12:31:01 PM 103.68 0.28 103.40 36.79 9551.92 12:32:01 PM 204.68 6.08 198.60 753.07 11229.68 12:33:01 PM 37.65 0.53 37.12 418.53 5326.32 12:34:01 PM 67.09 0.67 66.43 41.81 12117.83 12:35:01 PM 1120.98 11.45 1109.53 183.57 33533.56 12:36:01 PM 184.62 104.83 79.79 1924.88 4877.80 Average: 286.40 20.64 265.76 559.66 12772.43 12:30:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:31:01 PM 13115284 15036956 3024032 18.74 2688 2132380 1168568 6.80 154328 2490096 169976 12:32:01 PM 11729448 13915716 4409868 27.32 2688 2388540 2257392 13.13 206056 3782628 133788 12:33:01 PM 11657612 13870788 4481704 27.77 2688 2414508 2560544 14.90 208208 3845456 28 12:34:01 PM 11041456 13600324 5097860 31.59 2688 2750232 2759412 16.05 303668 4325244 272 12:35:01 PM 10217004 13702088 5922312 36.69 2688 3477828 1982468 11.53 382416 4623104 90256 12:36:01 PM 10177704 13752972 5961612 36.94 2688 3562992 1998284 11.63 411720 4623516 16976 Average: 11323085 13979807 4816231 29.84 2688 2787747 2121111 12.34 277733 3948341 68549 12:30:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 77.52 48.97 1183.48 8.35 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 278.77 231.06 3152.10 37.34 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 12:33:01 PM eth0 18.76 11.80 99.45 1.74 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:33:01 PM vethbb85ab8 0.12 0.35 0.01 0.03 0.00 0.00 0.00 0.00 12:34:01 PM lo 6.26 6.26 5.11 5.11 0.00 0.00 0.00 0.00 12:34:01 PM eth0 161.70 69.56 2176.24 6.67 0.00 0.00 0.00 0.00 12:34:01 PM docker0 3.33 3.15 4.09 0.44 0.00 0.00 0.00 0.00 12:34:01 PM vethbb85ab8 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 12:35:01 PM lo 1.30 1.30 0.18 0.18 0.00 0.00 0.00 0.00 12:35:01 PM eth0 177.45 130.73 1722.56 21.34 0.00 0.00 0.00 0.00 12:35:01 PM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 PM eth0 4.53 3.70 58.74 0.92 0.00 0.00 0.00 0.00 12:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.88 0.88 0.00 0.00 0.00 0.00 Average: eth0 119.79 82.63 1398.87 12.72 0.00 0.00 0.00 0.00 Average: docker0 0.59 0.57 0.68 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/09/2026 _x86_64_ (4 CPU) 12:28:40 LINUX RESTART (4 CPU) 12:30:01 PM CPU %user %nice %system %iowait %steal %idle 12:31:01 PM all 12.66 0.00 1.19 0.57 0.01 85.57 12:31:01 PM 0 3.75 0.00 0.75 0.28 0.00 95.22 12:31:01 PM 1 13.98 0.00 0.97 0.72 0.02 84.31 12:31:01 PM 2 13.15 0.00 1.14 0.38 0.02 85.32 12:31:01 PM 3 19.80 0.00 1.90 0.90 0.00 77.39 12:32:01 PM all 30.23 0.00 1.94 1.17 0.02 66.64 12:32:01 PM 0 24.48 0.00 1.55 1.20 0.02 72.75 12:32:01 PM 1 30.70 0.00 2.70 1.11 0.03 65.46 12:32:01 PM 2 31.54 0.00 1.27 1.27 0.02 65.90 12:32:01 PM 3 34.19 0.00 2.26 1.09 0.02 62.45 12:33:01 PM all 0.86 0.00 0.31 0.28 0.00 98.55 12:33:01 PM 0 0.52 0.00 0.37 0.48 0.00 98.63 12:33:01 PM 1 0.97 0.00 0.27 0.02 0.00 98.75 12:33:01 PM 2 0.99 0.00 0.30 0.25 0.00 98.46 12:33:01 PM 3 0.95 0.00 0.30 0.38 0.02 98.35 12:34:01 PM all 18.27 0.10 1.76 0.43 0.00 79.44 12:34:01 PM 0 17.38 0.10 1.94 0.28 0.00 80.29 12:34:01 PM 1 16.88 0.12 1.89 0.59 0.02 80.51 12:34:01 PM 2 19.17 0.08 1.61 0.20 0.00 78.94 12:34:01 PM 3 19.66 0.10 1.59 0.64 0.00 78.01 12:35:01 PM all 21.08 0.00 8.69 7.46 0.01 62.75 12:35:01 PM 0 14.46 0.00 7.69 7.08 0.02 70.76 12:35:01 PM 1 16.93 0.00 8.46 7.78 0.02 66.83 12:35:01 PM 2 18.57 0.00 7.46 6.75 0.02 67.20 12:35:01 PM 3 34.34 0.00 11.16 8.23 0.00 46.27 12:36:01 PM all 41.19 0.00 1.77 1.39 0.03 55.61 12:36:01 PM 0 37.09 0.00 1.40 0.12 0.02 61.37 12:36:01 PM 1 31.66 0.00 1.66 1.21 0.02 65.46 12:36:01 PM 2 47.52 0.00 1.91 0.79 0.03 49.75 12:36:01 PM 3 48.50 0.00 2.13 3.45 0.05 45.87 Average: all 20.71 0.02 2.60 1.87 0.01 74.80 Average: 0 16.28 0.02 2.27 1.56 0.01 79.87 Average: 1 18.51 0.02 2.64 1.89 0.02 76.92 Average: 2 21.83 0.01 2.27 1.60 0.01 74.28 Average: 3 26.21 0.02 3.21 2.44 0.01 68.12