---> uname -a: Linux prd-centos8-docker-4c-4g-4912.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 2800.000 BogoMIPS: 5600.00 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 nrip_save 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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 765 12236 19 2760 14662 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:ac:5a:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.204/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:feac:5a63/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c7:c3:96:53 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/02/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:03 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 221.98 15.32 206.65 3200.41 10935.60 01:25:01 PM 155.69 6.25 149.44 1080.09 13204.13 01:26:01 PM 37.60 1.28 36.32 53.44 1525.02 Average: 137.47 7.53 129.94 1424.77 8527.39 01:23:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12886500 14856468 3255032 20.17 2688 2176576 1302840 7.58 184456 2671800 124940 01:25:01 PM 11211396 13447012 4930136 30.54 2688 2438416 2619376 15.24 250140 4259520 1872 01:26:01 PM 12515076 14996720 3626456 22.47 2688 2682576 1130964 6.58 517876 2693192 238652 Average: 12204324 14433400 3937208 24.39 2688 2432523 1684393 9.80 317491 3208171 121821 01:23:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 158.54 130.06 1617.92 32.31 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 20.70 20.70 4.38 4.38 0.00 0.00 0.00 0.00 01:25:01 PM eth0 313.06 218.80 3684.22 50.59 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 9.01 9.01 1.77 1.77 0.00 0.00 0.00 0.00 01:26:01 PM eth0 60.39 68.63 271.27 924.93 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.01 10.01 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 177.53 139.26 1860.32 339.42 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/02/2026 _x86_64_ (4 CPU) 13:22:21 LINUX RESTART (4 CPU) 01:23:03 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.29 0.00 2.48 1.72 0.11 69.40 01:24:01 PM 0 15.49 0.00 1.64 1.56 0.10 81.20 01:24:01 PM 1 21.94 0.00 2.53 1.77 0.12 73.63 01:24:01 PM 2 38.07 0.00 3.03 1.47 0.12 57.32 01:24:01 PM 3 29.66 0.00 2.73 2.08 0.09 65.44 01:25:01 PM all 54.81 0.00 2.03 1.09 0.10 41.97 01:25:01 PM 0 65.77 0.00 0.63 0.02 0.10 33.48 01:25:01 PM 1 49.21 0.00 2.69 0.67 0.10 47.33 01:25:01 PM 2 45.04 0.00 2.48 1.86 0.08 50.54 01:25:01 PM 3 59.19 0.00 2.33 1.82 0.10 36.56 01:26:01 PM all 15.29 0.00 1.31 0.23 0.07 83.10 01:26:01 PM 0 17.39 0.00 1.45 0.28 0.07 80.80 01:26:01 PM 1 16.24 0.00 1.44 0.30 0.08 81.94 01:26:01 PM 2 10.85 0.00 0.84 0.13 0.07 88.12 01:26:01 PM 3 16.69 0.00 1.52 0.18 0.07 81.54 Average: all 32.19 0.00 1.94 1.00 0.09 64.78 Average: 0 33.10 0.00 1.24 0.61 0.09 64.97 Average: 1 29.22 0.00 2.22 0.90 0.10 67.56 Average: 2 31.23 0.00 2.10 1.15 0.09 65.42 Average: 3 35.23 0.00 2.19 1.35 0.08 61.15