---> uname -a: Linux prd-centos8-docker-8c-8g-5150.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 1459 27784 19 2643 29978 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:7a:6a:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.134/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe7a:6add/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:1c:b1:3b 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) 07/04/2026 _x86_64_ (8 CPU) 14:01:22 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 195.42 2.62 192.80 578.51 10987.57 02:04:01 PM 116.51 1.78 114.73 664.85 13734.12 02:05:01 PM 43.51 2.00 41.51 77.85 5451.19 Average: 118.49 2.13 116.36 440.43 10057.94 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 27908788 29930184 4744584 14.53 2688 2335544 2648428 7.86 169064 4101680 333352 02:04:01 PM 27206420 29393328 5446952 16.68 2688 2495792 3413276 10.13 224128 4721512 100676 02:05:01 PM 28440884 30674868 4212488 12.90 2688 2541676 1866744 5.54 452892 3258260 7540 Average: 27852031 29999460 4801341 14.70 2688 2457671 2642816 7.84 282028 4027151 147189 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 244.51 186.71 3664.44 43.20 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 150.00 119.84 1471.06 28.33 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 276.29 191.42 675.99 146.07 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 223.60 165.99 1937.33 72.53 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) 07/04/2026 _x86_64_ (8 CPU) 14:01:22 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 18.16 0.00 1.24 0.44 0.06 80.10 02:03:01 PM 0 6.51 0.00 0.84 0.48 0.05 92.12 02:03:01 PM 1 33.11 0.00 2.35 0.43 0.10 64.00 02:03:01 PM 2 21.50 0.00 1.22 0.37 0.07 76.85 02:03:01 PM 3 18.84 0.00 1.09 0.60 0.07 79.41 02:03:01 PM 4 11.23 0.00 1.02 0.94 0.05 86.77 02:03:01 PM 5 16.75 0.00 1.00 0.52 0.05 81.68 02:03:01 PM 6 23.11 0.00 1.70 0.12 0.07 75.00 02:03:01 PM 7 14.21 0.00 0.68 0.10 0.05 84.96 02:04:01 PM all 44.05 0.00 1.57 0.31 0.10 53.97 02:04:01 PM 0 33.24 0.00 1.32 0.12 0.10 65.22 02:04:01 PM 1 43.72 0.00 1.70 0.38 0.08 54.10 02:04:01 PM 2 43.53 0.00 1.89 0.50 0.12 53.97 02:04:01 PM 3 49.57 0.00 1.47 0.32 0.10 48.55 02:04:01 PM 4 51.53 0.00 1.35 0.23 0.10 46.79 02:04:01 PM 5 46.53 0.00 1.77 0.27 0.10 51.33 02:04:01 PM 6 43.73 0.00 1.32 0.20 0.10 54.65 02:04:01 PM 7 40.55 0.00 1.77 0.45 0.08 57.14 02:05:01 PM all 21.46 0.00 1.12 0.13 0.06 77.23 02:05:01 PM 0 31.44 0.00 1.02 0.07 0.07 67.41 02:05:01 PM 1 30.28 0.00 1.27 0.18 0.08 68.18 02:05:01 PM 2 18.50 0.00 1.40 0.13 0.05 79.91 02:05:01 PM 3 24.38 0.00 0.73 0.22 0.05 74.62 02:05:01 PM 4 29.97 0.00 1.15 0.08 0.07 68.73 02:05:01 PM 5 15.51 0.00 1.04 0.32 0.05 83.09 02:05:01 PM 6 10.49 0.00 0.84 0.00 0.05 88.62 02:05:01 PM 7 11.07 0.00 1.51 0.00 0.07 87.36 Average: all 27.89 0.00 1.31 0.29 0.07 70.43 Average: 0 23.74 0.00 1.06 0.22 0.07 74.91 Average: 1 35.70 0.00 1.78 0.33 0.09 62.10 Average: 2 27.85 0.00 1.50 0.33 0.08 70.24 Average: 3 30.93 0.00 1.10 0.38 0.07 67.52 Average: 4 30.91 0.00 1.17 0.42 0.07 67.42 Average: 5 26.26 0.00 1.27 0.37 0.07 72.03 Average: 6 25.78 0.00 1.29 0.11 0.07 72.75 Average: 7 21.95 0.00 1.32 0.18 0.07 76.48