---> uname -a: Linux prd-centos8-docker-8c-8g-4928.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1066 27060 19 3761 30359 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:cf:13:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fecf:135a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:98:0c:a0:9e 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::42:98ff:fe0c:a09e/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) 07/03/2026 _x86_64_ (8 CPU) 17:11:58 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 441.79 14.81 426.97 3124.69 18194.15 05:15:01 PM 267.22 6.98 260.24 1295.78 16803.17 05:16:01 PM 154.58 3.37 151.22 455.18 39704.72 Average: 287.86 8.39 279.48 1625.24 24901.13 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28499156 30691768 4154216 12.72 2688 2501188 1823900 5.41 212656 3444152 192408 05:15:01 PM 26310708 29484012 6342664 19.42 2688 3471744 2834360 8.41 498076 5305144 694396 05:16:01 PM 27781836 31160264 4871536 14.92 2688 3672128 1446128 4.29 828556 3489820 24380 Average: 27530567 30445348 5122805 15.69 2688 3215020 2034796 6.04 513096 4079705 303728 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 405.11 346.08 4120.43 71.32 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 586.00 464.64 9333.88 56.28 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 265.84 274.86 488.95 2375.16 0.00 0.00 0.00 0.00 05:16:01 PM docker0 6.48 14.41 0.49 260.10 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 418.98 361.86 4647.49 834.29 0.00 0.00 0.00 0.00 Average: docker0 2.16 4.80 0.16 86.70 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) 07/03/2026 _x86_64_ (8 CPU) 17:11:58 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 17.50 0.00 1.55 1.14 0.06 79.75 05:14:01 PM 0 19.30 0.00 1.47 1.12 0.07 78.05 05:14:01 PM 1 22.53 0.00 1.49 0.82 0.07 75.09 05:14:01 PM 2 9.47 0.00 1.26 0.92 0.07 88.29 05:14:01 PM 3 22.17 0.00 1.84 2.01 0.07 73.92 05:14:01 PM 4 30.78 0.00 1.60 0.42 0.07 67.13 05:14:01 PM 5 13.49 0.00 1.07 0.79 0.05 84.61 05:14:01 PM 6 11.12 0.00 1.42 0.59 0.07 86.80 05:14:01 PM 7 11.09 0.00 2.27 2.43 0.07 84.14 05:15:01 PM all 31.58 0.00 1.85 0.68 0.08 65.81 05:15:01 PM 0 12.86 0.00 1.66 0.25 0.08 85.15 05:15:01 PM 1 37.62 0.00 1.69 0.54 0.10 60.05 05:15:01 PM 2 43.08 0.00 2.47 0.69 0.10 53.66 05:15:01 PM 3 48.56 0.00 2.65 1.09 0.10 47.60 05:15:01 PM 4 31.89 0.00 1.88 0.89 0.07 65.27 05:15:01 PM 5 34.57 0.00 1.78 0.94 0.08 62.63 05:15:01 PM 6 19.90 0.00 1.19 0.57 0.07 78.28 05:15:01 PM 7 24.20 0.00 1.46 0.44 0.07 73.84 05:16:01 PM all 10.76 0.00 1.91 0.55 0.06 86.72 05:16:01 PM 0 4.33 0.00 1.49 0.22 0.05 93.91 05:16:01 PM 1 15.51 0.00 2.06 1.11 0.07 81.25 05:16:01 PM 2 19.01 0.00 2.31 1.17 0.05 77.46 05:16:01 PM 3 6.74 0.00 1.89 0.30 0.07 91.00 05:16:01 PM 4 10.38 0.00 2.14 0.54 0.07 86.87 05:16:01 PM 5 6.00 0.00 1.71 0.50 0.05 91.74 05:16:01 PM 6 9.41 0.00 1.89 0.23 0.05 88.41 05:16:01 PM 7 14.74 0.00 1.77 0.37 0.05 83.07 Average: all 19.94 0.00 1.77 0.79 0.07 77.43 Average: 0 12.16 0.00 1.54 0.53 0.07 85.70 Average: 1 25.22 0.00 1.75 0.82 0.08 72.14 Average: 2 23.83 0.00 2.01 0.93 0.07 73.16 Average: 3 25.81 0.00 2.13 1.13 0.08 70.85 Average: 4 24.35 0.00 1.88 0.61 0.07 73.10 Average: 5 18.01 0.00 1.52 0.74 0.06 79.66 Average: 6 13.47 0.00 1.50 0.46 0.06 84.50 Average: 7 16.67 0.00 1.83 1.08 0.06 80.35