---> uname -a: Linux prd-centos8-docker-8c-8g-5589.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1004 28283 19 2599 30431 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:fd:f6:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.22/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fefd:f6cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ad:d6:1b:62 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) 05/31/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 167.70 2.93 164.77 365.82 10647.73 05:20:01 AM 191.20 2.55 188.65 951.57 12729.90 05:21:01 AM 76.52 2.83 73.69 130.22 6446.00 Average: 145.14 2.77 142.37 482.51 9941.09 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29167144 31081500 3486228 10.68 2688 2228940 1997372 5.93 166424 2848656 239304 05:20:01 AM 27354580 29503660 5298792 16.23 2688 2456020 3476640 10.32 230932 4559628 115184 05:21:01 AM 28974584 31173152 3678788 11.27 2688 2502632 1442688 4.28 424072 2744812 26296 Average: 28498769 30586104 4154603 12.72 2688 2395864 2305567 6.84 273809 3384365 126928 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 198.85 167.07 2182.56 51.58 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 233.94 202.32 2365.58 39.22 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 165.99 162.63 350.94 170.26 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 199.59 177.34 1633.02 87.02 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) 05/31/2026 _x86_64_ (8 CPU) 05:17:24 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 15.15 0.00 1.42 0.43 0.06 82.94 05:19:01 AM 0 14.32 0.00 0.52 0.15 0.05 84.96 05:19:01 AM 1 7.20 0.00 1.40 0.77 0.05 90.57 05:19:01 AM 2 16.20 0.00 2.43 0.42 0.07 80.89 05:19:01 AM 3 38.44 0.00 3.29 0.48 0.08 57.70 05:19:01 AM 4 17.84 0.00 0.88 0.67 0.05 80.56 05:19:01 AM 5 9.57 0.00 1.10 0.38 0.07 88.88 05:19:01 AM 6 14.33 0.00 1.02 0.12 0.05 84.49 05:19:01 AM 7 3.28 0.00 0.69 0.47 0.05 95.51 05:20:01 AM all 42.66 0.00 1.51 0.55 0.09 55.19 05:20:01 AM 0 37.53 0.00 1.33 0.07 0.10 60.97 05:20:01 AM 1 33.63 0.00 1.57 1.05 0.08 63.67 05:20:01 AM 2 47.38 0.00 1.59 0.99 0.08 49.96 05:20:01 AM 3 53.47 0.00 1.91 0.62 0.10 43.90 05:20:01 AM 4 40.88 0.00 1.27 0.45 0.08 57.32 05:20:01 AM 5 25.96 0.00 1.22 0.07 0.07 72.69 05:20:01 AM 6 49.85 0.00 1.69 0.72 0.08 47.66 05:20:01 AM 7 52.58 0.00 1.54 0.45 0.10 45.33 05:21:01 AM all 25.33 0.00 1.49 0.14 0.07 72.97 05:21:01 AM 0 24.25 0.00 1.44 0.08 0.08 74.14 05:21:01 AM 1 29.16 0.00 1.82 0.10 0.08 68.84 05:21:01 AM 2 27.68 0.00 1.17 0.03 0.08 71.03 05:21:01 AM 3 17.53 0.00 1.29 0.40 0.07 80.72 05:21:01 AM 4 28.64 0.00 1.19 0.08 0.07 70.02 05:21:01 AM 5 20.30 0.00 1.56 0.18 0.08 77.88 05:21:01 AM 6 25.38 0.00 1.54 0.12 0.07 72.90 05:21:01 AM 7 29.63 0.00 1.94 0.13 0.05 68.25 Average: all 27.71 0.00 1.47 0.38 0.07 70.37 Average: 0 25.37 0.00 1.10 0.10 0.08 73.35 Average: 1 23.34 0.00 1.60 0.64 0.07 74.35 Average: 2 30.42 0.00 1.73 0.48 0.08 67.29 Average: 3 36.48 0.00 2.16 0.50 0.08 60.77 Average: 4 29.11 0.00 1.11 0.40 0.07 69.31 Average: 5 18.60 0.00 1.29 0.21 0.07 79.82 Average: 6 29.85 0.00 1.41 0.32 0.07 68.35 Average: 7 28.52 0.00 1.39 0.35 0.07 69.68