---> uname -a: Linux prd-centos8-docker-8c-8g-5862.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1049 27082 19 3756 30376 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:39:61:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fe39:612e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:31:26:04:85 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::42:31ff:fe26:485/64 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) 06/01/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 217.38 14.53 202.85 3119.23 11301.25 05:14:01 PM 491.75 5.51 486.24 1231.06 19892.20 05:15:01 PM 214.55 5.08 209.46 496.90 41440.69 Average: 307.89 8.37 299.52 1615.73 24211.38 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29074284 31124624 3579088 10.96 2688 2363900 2012172 5.97 195328 2909196 273700 05:14:01 PM 27677944 30167560 4975428 15.24 2688 2793696 2230644 6.62 403448 4044580 200276 05:15:01 PM 27744792 31116188 4908580 15.03 2688 3665016 1512432 4.49 820752 3533844 166136 Average: 28165673 30802791 4487699 13.74 2688 2940871 1918416 5.69 473176 3495873 213371 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 233.61 192.45 2846.90 48.40 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 489.99 422.24 6156.37 58.63 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 557.01 486.19 5697.55 2389.50 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.66 15.24 0.50 257.13 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 426.87 366.96 4900.27 832.18 0.00 0.00 0.00 0.00 Average: docker0 2.22 5.08 0.17 85.71 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) 06/01/2026 _x86_64_ (8 CPU) 17:11:24 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 14.45 0.00 1.32 0.56 0.06 83.61 05:13:01 PM 0 8.80 0.00 0.99 0.17 0.05 89.99 05:13:01 PM 1 19.31 0.00 1.56 1.10 0.07 77.96 05:13:01 PM 2 9.32 0.00 0.65 0.45 0.07 89.51 05:13:01 PM 3 13.16 0.00 1.51 1.14 0.07 84.13 05:13:01 PM 4 23.71 0.00 2.47 0.38 0.07 73.37 05:13:01 PM 5 9.92 0.00 1.14 0.60 0.05 88.29 05:13:01 PM 6 20.44 0.00 1.74 0.57 0.05 77.21 05:13:01 PM 7 10.88 0.00 0.54 0.05 0.07 88.46 05:14:01 PM all 28.74 0.00 1.79 1.23 0.09 68.14 05:14:01 PM 0 25.70 0.00 2.26 2.70 0.08 69.25 05:14:01 PM 1 29.91 0.00 1.88 1.17 0.10 66.94 05:14:01 PM 2 15.58 0.00 1.73 1.26 0.08 81.34 05:14:01 PM 3 42.14 0.00 1.02 0.27 0.10 56.47 05:14:01 PM 4 40.24 0.00 2.85 2.06 0.10 54.75 05:14:01 PM 5 33.20 0.00 1.02 0.23 0.10 65.44 05:14:01 PM 6 25.00 0.00 1.75 0.97 0.08 72.20 05:14:01 PM 7 18.11 0.00 1.85 1.16 0.08 78.80 05:15:01 PM all 18.00 0.00 2.47 0.73 0.08 78.72 05:15:01 PM 0 7.80 0.00 2.08 0.27 0.07 89.78 05:15:01 PM 1 25.30 0.00 3.52 1.61 0.10 69.47 05:15:01 PM 2 25.21 0.00 2.03 0.91 0.07 71.79 05:15:01 PM 3 13.10 0.00 2.47 0.44 0.07 83.93 05:15:01 PM 4 22.18 0.00 3.07 1.02 0.08 73.64 05:15:01 PM 5 17.04 0.00 2.13 0.92 0.07 79.84 05:15:01 PM 6 9.30 0.00 2.10 0.44 0.08 88.08 05:15:01 PM 7 24.04 0.00 2.39 0.25 0.07 73.25 Average: all 20.39 0.00 1.86 0.84 0.08 76.83 Average: 0 14.10 0.00 1.78 1.04 0.07 83.01 Average: 1 24.84 0.00 2.32 1.30 0.09 71.46 Average: 2 16.70 0.00 1.47 0.87 0.07 80.89 Average: 3 22.80 0.00 1.66 0.61 0.08 74.84 Average: 4 28.71 0.00 2.80 1.16 0.08 67.26 Average: 5 20.05 0.00 1.43 0.59 0.07 77.86 Average: 6 18.25 0.00 1.86 0.66 0.07 79.15 Average: 7 17.68 0.00 1.59 0.49 0.07 80.18