---> uname -a: Linux prd-centos8-docker-4c-4g-496.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: 2799.996 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 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 763 12239 19 2760 14665 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:4f:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.231/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe0b:4f56/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:79:c8:e3:27 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) 03/08/2026 _x86_64_ (4 CPU) 13:22:59 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 271.84 15.75 256.09 3214.93 12592.33 01:26:01 PM 62.05 5.23 56.82 1037.21 8816.53 01:27:01 PM 53.14 2.48 50.66 137.84 8992.00 Average: 129.00 7.82 121.18 1463.28 10133.47 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12577924 14766332 3563608 22.08 2688 2392916 1365492 7.94 193684 2964520 239496 01:26:01 PM 11375740 13610008 4765792 29.53 2688 2437484 2557780 14.88 250100 4097524 888 01:27:01 PM 12475472 14959856 3666060 22.71 2688 2685592 1174228 6.83 520304 2731288 24112 Average: 12143045 14445399 3998487 24.77 2688 2505331 1699167 9.88 321363 3264444 88165 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 470.30 327.11 4459.30 64.03 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 23.80 23.80 4.94 4.94 0.00 0.00 0.00 0.00 01:26:01 PM eth0 35.57 31.78 141.42 17.68 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 01:27:01 PM lo 5.15 5.15 1.14 1.14 0.00 0.00 0.00 0.00 01:27:01 PM eth0 67.11 76.02 278.31 937.17 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.65 9.65 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 190.97 144.96 1626.18 339.59 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) 03/08/2026 _x86_64_ (4 CPU) 13:22:59 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 29.21 0.00 2.80 1.49 0.41 66.10 01:25:01 PM 0 28.72 0.00 2.51 0.74 0.12 67.92 01:25:01 PM 1 22.42 0.00 3.08 1.32 1.24 71.93 01:25:01 PM 2 37.50 0.00 3.25 2.51 0.15 56.60 01:25:01 PM 3 28.27 0.00 2.34 1.39 0.12 67.88 01:26:01 PM all 42.46 0.00 1.05 0.80 0.08 55.61 01:26:01 PM 0 29.41 0.00 1.55 0.97 0.08 67.98 01:26:01 PM 1 47.01 0.00 0.82 0.05 0.08 52.04 01:26:01 PM 2 43.75 0.00 1.22 2.14 0.10 52.80 01:26:01 PM 3 49.65 0.00 0.62 0.03 0.07 49.63 01:27:01 PM all 19.01 0.00 1.86 0.39 0.08 78.67 01:27:01 PM 0 17.28 0.00 1.61 0.73 0.07 80.31 01:27:01 PM 1 20.83 0.00 1.51 0.29 0.09 77.28 01:27:01 PM 2 14.65 0.00 2.81 0.27 0.07 82.21 01:27:01 PM 3 23.29 0.00 1.49 0.25 0.08 74.89 Average: all 30.28 0.00 1.90 0.89 0.19 66.73 Average: 0 25.19 0.00 1.89 0.81 0.09 72.01 Average: 1 30.16 0.00 1.81 0.56 0.48 67.00 Average: 2 32.00 0.00 2.42 1.64 0.11 63.83 Average: 3 33.74 0.00 1.48 0.56 0.09 64.13