---> uname -a: Linux prd-centos8-docker-4c-4g-12080.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: 2799.996 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 774 12081 19 2905 14649 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:b6:42:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.203/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:feb6:4246/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f9:51:f8:6c 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/15/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:03 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 100.78 1.86 98.91 170.29 7515.55 01:25:01 PM 239.75 19.52 220.22 4208.39 13368.66 01:26:01 PM 43.93 1.65 42.28 63.57 8162.20 01:27:01 PM 46.23 3.13 43.09 139.98 8686.84 Average: 107.76 6.58 101.18 1154.51 9450.39 01:23:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13214036 15119248 2925284 18.13 2688 2113952 1053672 6.13 139064 2405628 222088 01:25:01 PM 11693572 14068444 4445748 27.55 2688 2575620 2041404 11.88 241648 3781448 227824 01:26:01 PM 11054840 13433804 5084480 31.50 2688 2579468 2898652 16.86 255684 4402588 28 01:27:01 PM 12362900 14992524 3776420 23.40 2688 2827716 1165796 6.78 531516 2821940 24256 Average: 12081337 14403505 4057983 25.14 2688 2524189 1789881 10.41 291978 3352901 118549 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 90.02 62.32 1314.44 9.75 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 492.46 326.15 4770.92 95.97 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 26.72 26.72 5.23 5.23 0.00 0.00 0.00 0.00 01:26:01 PM eth0 27.04 17.02 10.22 18.26 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 3.33 3.33 0.94 0.94 0.00 0.00 0.00 0.00 01:27:01 PM eth0 67.92 74.29 278.84 933.70 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 7.61 7.61 1.56 1.56 0.00 0.00 0.00 0.00 Average: eth0 170.11 120.48 1596.74 266.48 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/15/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:03 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 18.84 0.00 1.69 1.36 0.07 78.03 01:24:01 PM 0 4.76 0.00 0.72 0.98 0.05 93.48 01:24:01 PM 1 43.11 0.00 3.58 1.96 0.10 51.25 01:24:01 PM 2 16.07 0.00 1.33 1.92 0.09 80.59 01:24:01 PM 3 11.46 0.00 1.14 0.57 0.05 86.77 01:25:01 PM all 48.34 0.00 2.90 2.95 0.14 45.67 01:25:01 PM 0 47.45 0.00 2.79 4.15 0.13 45.48 01:25:01 PM 1 46.85 0.00 2.87 1.88 0.15 48.26 01:25:01 PM 2 47.62 0.00 3.20 2.65 0.13 46.40 01:25:01 PM 3 51.43 0.00 2.75 3.12 0.15 42.55 01:26:01 PM all 21.91 0.00 0.76 0.82 0.08 76.42 01:26:01 PM 0 25.29 0.00 0.82 0.53 0.08 73.27 01:26:01 PM 1 28.28 0.00 0.49 0.30 0.10 70.83 01:26:01 PM 2 19.94 0.00 0.70 0.12 0.07 79.18 01:26:01 PM 3 14.13 0.00 1.02 2.34 0.08 82.42 01:27:01 PM all 20.45 0.00 1.66 3.60 0.12 74.18 01:27:01 PM 0 19.93 0.00 2.06 4.51 0.12 73.38 01:27:01 PM 1 25.12 0.00 1.31 4.43 0.12 69.03 01:27:01 PM 2 24.19 0.00 1.78 2.40 0.15 71.48 01:27:01 PM 3 12.56 0.00 1.49 3.05 0.08 82.82 Average: all 27.45 0.00 1.75 2.19 0.10 68.50 Average: 0 24.51 0.00 1.61 2.55 0.10 71.23 Average: 1 35.78 0.00 2.05 2.14 0.12 59.91 Average: 2 27.04 0.00 1.76 1.77 0.11 69.33 Average: 3 22.48 0.00 1.60 2.28 0.09 73.54