---> uname -a: Linux prd-centos8-docker-4c-4g-36.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: 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 761 12208 19 2791 14661 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:0d:cf:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86019sec preferred_lft 86019sec inet6 fe80::f816:3eff:fe0d:cf9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:58:d0:ba:a9 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) 07/16/2026 _x86_64_ (4 CPU) 05:08:45 LINUX RESTART (4 CPU) 05:09:01 AM tps rtps wtps bread/s bwrtn/s 05:10:01 AM 212.81 21.73 191.09 5585.20 8874.31 05:11:01 AM 200.63 19.98 180.66 4021.73 15333.21 05:12:01 AM 92.64 1.85 90.79 116.09 5446.70 05:13:01 AM 23.24 0.00 23.24 0.00 6467.13 05:14:01 AM 3.02 1.72 1.30 51.05 281.82 05:15:01 AM 23.86 1.55 22.31 170.48 758.91 Average: 92.70 7.80 84.90 1657.43 6193.68 05:09:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:01 AM 13342352 15139044 2796968 17.33 2688 2011072 1087504 6.33 146432 2292648 169060 05:11:01 AM 12066952 14308536 4072368 25.23 2688 2444508 1958616 11.40 208256 3449860 88136 05:12:01 AM 10270528 12754000 5868792 36.36 2688 2682152 3482836 20.26 264388 5171048 185484 05:13:01 AM 9735152 12222132 6404168 39.68 2688 2685588 3846760 22.38 264500 5704660 944 05:14:01 AM 8389504 10885976 7749816 48.02 2688 2694796 5119308 29.78 268484 7042380 964 05:15:01 AM 12509788 15019536 3629532 22.49 2688 2707028 1123272 6.54 472928 2729032 24184 Average: 11052379 13388204 5086941 31.52 2688 2537524 2769716 16.11 270831 4398271 78129 05:09:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 AM eth0 384.76 232.02 1898.69 72.18 0.00 0.00 0.00 0.00 05:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:01 AM eth0 204.53 172.03 2515.04 30.23 0.00 0.00 0.00 0.00 05:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 AM eth0 230.69 178.24 3527.11 27.38 0.00 0.00 0.00 0.00 05:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 AM eth0 17.08 15.59 3.43 24.93 0.00 0.00 0.00 0.00 05:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 AM eth0 21.43 19.19 4.99 17.39 0.00 0.00 0.00 0.00 05:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 AM lo 6.71 6.71 0.82 0.82 0.00 0.00 0.00 0.00 05:15:01 AM eth0 30.39 24.21 22.06 10.78 0.00 0.00 0.00 0.00 05:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 148.15 106.88 1328.55 30.48 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) 07/16/2026 _x86_64_ (4 CPU) 05:08:45 LINUX RESTART (4 CPU) 05:09:01 AM CPU %user %nice %system %iowait %steal %idle 05:10:01 AM all 25.49 0.00 3.22 1.16 0.08 70.05 05:10:01 AM 0 24.08 0.00 3.87 2.36 0.10 69.60 05:10:01 AM 1 37.84 0.00 3.88 0.57 0.10 57.61 05:10:01 AM 2 22.06 0.00 2.58 0.87 0.07 74.42 05:10:01 AM 3 17.97 0.00 2.55 0.84 0.07 78.58 05:11:01 AM all 32.81 0.00 2.71 2.83 0.12 61.53 05:11:01 AM 0 27.33 0.00 3.78 3.21 0.13 65.55 05:11:01 AM 1 41.08 0.00 3.02 2.07 0.12 53.71 05:11:01 AM 2 28.07 0.00 2.73 1.79 0.10 67.30 05:11:01 AM 3 34.73 0.00 1.30 4.26 0.12 59.59 05:12:01 AM all 66.44 0.00 2.24 0.38 0.12 30.82 05:12:01 AM 0 53.94 0.00 3.13 0.67 0.13 42.13 05:12:01 AM 1 65.72 0.00 2.76 0.43 0.12 30.97 05:12:01 AM 2 71.13 0.00 1.49 0.27 0.12 27.00 05:12:01 AM 3 74.98 0.00 1.57 0.17 0.10 23.18 05:13:01 AM all 23.40 0.00 0.48 0.27 0.07 75.78 05:13:01 AM 0 20.16 0.00 0.50 0.07 0.07 79.21 05:13:01 AM 1 27.20 0.00 0.53 0.00 0.07 72.20 05:13:01 AM 2 25.95 0.00 0.35 0.02 0.08 73.60 05:13:01 AM 3 20.28 0.00 0.53 1.00 0.07 78.12 05:14:01 AM all 37.60 0.00 0.82 0.03 0.08 61.48 05:14:01 AM 0 24.67 0.00 0.55 0.00 0.07 74.71 05:14:01 AM 1 33.66 0.00 0.75 0.02 0.08 65.49 05:14:01 AM 2 42.03 0.00 1.02 0.00 0.08 56.87 05:14:01 AM 3 50.03 0.00 0.95 0.08 0.08 48.85 05:15:01 AM all 35.44 0.00 1.80 0.08 0.08 62.60 05:15:01 AM 0 29.45 0.00 1.97 0.12 0.08 68.38 05:15:01 AM 1 51.45 0.00 2.72 0.12 0.08 45.62 05:15:01 AM 2 27.35 0.00 1.37 0.05 0.07 71.16 05:15:01 AM 3 33.51 0.00 1.12 0.05 0.08 65.24 Average: all 36.87 0.00 1.88 0.79 0.09 60.37 Average: 0 29.94 0.00 2.30 1.07 0.10 66.60 Average: 1 42.82 0.00 2.28 0.53 0.09 54.27 Average: 2 36.11 0.00 1.59 0.50 0.09 61.71 Average: 3 38.59 0.00 1.34 1.07 0.09 58.92