---> uname -a: Linux prd-centos8-docker-8c-8g-1831.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: 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): 0-7 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 1074 27056 19 3756 30351 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:60:74:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.47/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe60:7453/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:22:2e:2f 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::42:19ff:fe22:2e2f/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) 05/21/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 251.34 14.58 236.76 3222.93 16384.79 05:15:01 PM 419.93 6.38 413.55 1207.86 13580.36 05:16:01 PM 171.38 3.36 168.02 452.44 39778.19 Average: 280.88 8.11 272.77 1627.59 23249.08 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28694780 30814480 3958592 12.12 2688 2430608 1828660 5.43 201580 3268608 136964 05:15:01 PM 27413472 30031912 5239900 16.05 2688 2920156 2320460 6.89 413004 4297804 284288 05:16:01 PM 27669820 31050100 4983552 15.26 2688 3673868 1576284 4.68 822916 3606580 169364 Average: 27926024 30632164 4727348 14.48 2688 3008211 1908468 5.66 479167 3724331 196872 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 297.97 256.67 3138.58 58.37 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 510.56 428.96 7190.12 57.21 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 377.56 352.71 3663.98 2376.41 0.00 0.00 0.00 0.00 05:16:01 PM docker0 5.65 12.86 0.45 256.90 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 395.37 346.12 4664.25 830.79 0.00 0.00 0.00 0.00 Average: docker0 1.88 4.29 0.15 85.65 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) 05/21/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 14.50 0.00 1.24 0.77 0.08 83.42 05:14:01 PM 0 9.13 0.00 0.85 0.25 0.10 89.67 05:14:01 PM 1 22.54 0.00 2.36 1.29 0.08 73.73 05:14:01 PM 2 16.81 0.00 1.19 1.24 0.07 80.70 05:14:01 PM 3 8.48 0.00 0.84 0.43 0.08 90.17 05:14:01 PM 4 13.53 0.00 1.32 0.92 0.07 84.16 05:14:01 PM 5 13.45 0.00 1.64 1.52 0.08 83.31 05:14:01 PM 6 11.28 0.00 0.70 0.03 0.08 87.90 05:14:01 PM 7 20.74 0.00 1.00 0.45 0.08 77.72 05:15:01 PM all 26.00 0.00 1.67 1.31 0.08 70.94 05:15:01 PM 0 38.51 0.00 0.90 0.18 0.08 60.31 05:15:01 PM 1 18.96 0.00 1.40 2.45 0.08 77.10 05:15:01 PM 2 23.53 0.00 1.02 0.35 0.08 75.01 05:15:01 PM 3 22.68 0.00 2.66 3.05 0.08 71.53 05:15:01 PM 4 26.34 0.00 2.66 1.74 0.08 69.18 05:15:01 PM 5 30.33 0.00 2.15 1.04 0.08 66.40 05:15:01 PM 6 23.72 0.00 1.71 0.67 0.07 73.82 05:15:01 PM 7 23.82 0.00 0.89 1.01 0.08 74.20 05:16:01 PM all 16.42 0.00 2.19 0.91 0.07 80.41 05:16:01 PM 0 20.28 0.00 1.59 0.33 0.07 77.72 05:16:01 PM 1 12.38 0.00 2.18 1.56 0.07 83.81 05:16:01 PM 2 8.22 0.00 1.83 0.27 0.07 89.62 05:16:01 PM 3 7.11 0.00 2.03 0.89 0.08 89.88 05:16:01 PM 4 18.81 0.00 2.80 1.95 0.08 76.36 05:16:01 PM 5 20.96 0.00 2.11 0.40 0.07 76.46 05:16:01 PM 6 24.52 0.00 2.88 1.66 0.08 70.86 05:16:01 PM 7 19.01 0.00 2.13 0.22 0.05 78.59 Average: all 18.96 0.00 1.70 0.99 0.08 78.27 Average: 0 22.63 0.00 1.11 0.26 0.08 75.91 Average: 1 17.96 0.00 1.98 1.76 0.08 78.22 Average: 2 16.19 0.00 1.35 0.62 0.07 81.78 Average: 3 12.72 0.00 1.84 1.45 0.08 83.90 Average: 4 19.54 0.00 2.26 1.53 0.08 76.59 Average: 5 21.57 0.00 1.96 0.99 0.08 75.39 Average: 6 19.83 0.00 1.76 0.79 0.08 77.54 Average: 7 21.19 0.00 1.34 0.56 0.07 76.84