---> uname -a: Linux prd-centos8-docker-4c-4g-12623.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: 2799.998 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): 0-3 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 833 12011 19 2916 14590 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:88:3c:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.211/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fe88:3cee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2b:e4:80:4b 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) 07/27/2026 _x86_64_ (4 CPU) 01:25:45 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 219.32 21.80 197.52 5709.39 8878.58 01:28:01 AM 269.40 20.36 249.04 4162.72 15926.04 01:29:01 AM 36.44 0.60 35.84 17.86 7897.87 Average: 175.07 14.25 160.82 3297.16 10901.05 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 13132456 15031732 3006864 18.63 2688 2110576 1233272 7.18 150360 2487432 269364 01:28:01 AM 11479068 13866324 4660252 28.88 2688 2588068 2258428 13.14 239396 3994868 225016 01:29:01 AM 11166280 13556204 4973040 30.81 2688 2590580 2567780 14.94 249884 4298092 340 Average: 11925935 14151420 4213385 26.11 2688 2429741 2019827 11.75 213213 3593464 164907 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 393.42 223.08 2033.82 73.41 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 01:28:01 AM eth0 440.90 301.90 4745.94 60.64 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 26.51 26.51 5.22 5.22 0.00 0.00 0.00 0.00 01:29:01 AM eth0 33.79 23.93 9.94 17.62 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.23 9.23 1.77 1.77 0.00 0.00 0.00 0.00 Average: eth0 289.40 182.99 2263.47 50.56 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) 07/27/2026 _x86_64_ (4 CPU) 01:25:45 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 26.07 0.00 2.94 1.31 0.09 69.58 01:27:01 AM 0 32.00 0.00 2.42 0.77 0.08 64.73 01:27:01 AM 1 23.23 0.00 2.56 0.60 0.08 73.52 01:27:01 AM 2 13.16 0.00 2.36 0.92 0.10 83.45 01:27:01 AM 3 35.86 0.00 4.44 2.97 0.08 56.65 01:28:01 AM all 50.27 0.00 2.94 2.20 0.11 44.47 01:28:01 AM 0 55.94 0.00 1.30 0.70 0.12 41.93 01:28:01 AM 1 48.24 0.00 4.12 3.02 0.12 44.51 01:28:01 AM 2 40.67 0.00 3.53 3.24 0.10 52.46 01:28:01 AM 3 56.20 0.00 2.83 1.86 0.12 39.00 01:29:01 AM all 17.21 0.00 0.68 0.46 0.07 81.57 01:29:01 AM 0 22.89 0.00 0.27 0.00 0.05 76.80 01:29:01 AM 1 14.12 0.00 1.00 0.30 0.08 84.50 01:29:01 AM 2 9.83 0.00 0.92 1.56 0.08 87.61 01:29:01 AM 3 22.00 0.00 0.52 0.00 0.07 77.41 Average: all 31.17 0.00 2.19 1.33 0.09 65.23 Average: 0 36.93 0.00 1.33 0.49 0.08 61.17 Average: 1 28.51 0.00 2.56 1.30 0.09 67.53 Average: 2 21.20 0.00 2.27 1.91 0.09 74.53 Average: 3 38.01 0.00 2.59 1.61 0.09 57.70