---> uname -a: Linux prd-centos8-docker-8c-8g-5464.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1023 28260 19 2603 30412 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:2c:fd:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.129/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe2c:fd8b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b9:8e:1f:e4 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) 07/06/2026 _x86_64_ (8 CPU) 05:18:00 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 172.41 2.83 169.58 363.75 15565.21 05:21:01 AM 141.72 2.55 139.17 951.42 5664.61 05:22:01 AM 78.56 2.83 75.72 130.22 6375.97 Average: 130.90 2.74 128.16 481.79 9201.93 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28408260 30340344 4245112 13.00 2688 2245592 2695892 8.00 167608 3596340 54748 05:21:01 AM 27126120 29282068 5527252 16.93 2688 2462488 3159588 9.38 230804 4786700 109764 05:22:01 AM 28944664 31148896 3708708 11.36 2688 2508448 1475680 4.38 422712 2776004 24256 Average: 28159681 30257103 4493691 13.76 2688 2405509 2443720 7.25 273708 3719681 62923 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 227.17 188.77 1666.09 58.31 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 243.07 202.30 2227.84 41.98 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 167.41 162.70 357.08 170.99 0.00 0.00 0.00 0.00 05:22:01 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 212.55 184.59 1417.00 90.43 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) 07/06/2026 _x86_64_ (8 CPU) 05:18:00 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 16.39 0.00 1.28 0.48 0.06 81.79 05:20:01 AM 0 9.63 0.00 0.77 0.12 0.08 89.40 05:20:01 AM 1 9.18 0.00 0.97 0.72 0.07 89.06 05:20:01 AM 2 25.93 0.00 1.94 0.47 0.07 71.60 05:20:01 AM 3 20.03 0.00 1.17 0.13 0.05 78.61 05:20:01 AM 4 14.36 0.00 1.07 0.45 0.05 84.07 05:20:01 AM 5 18.30 0.00 0.88 0.12 0.07 80.63 05:20:01 AM 6 14.44 0.00 1.17 1.12 0.07 83.20 05:20:01 AM 7 19.28 0.00 2.24 0.69 0.07 77.73 05:21:01 AM all 43.32 0.00 1.60 0.31 0.08 54.69 05:21:01 AM 0 45.62 0.00 2.10 0.43 0.08 51.76 05:21:01 AM 1 40.56 0.00 1.92 0.38 0.08 57.04 05:21:01 AM 2 48.12 0.00 1.72 0.22 0.08 49.86 05:21:01 AM 3 34.74 0.00 1.44 0.42 0.10 63.31 05:21:01 AM 4 36.34 0.00 1.84 0.02 0.08 61.72 05:21:01 AM 5 41.56 0.00 1.64 0.49 0.08 56.23 05:21:01 AM 6 46.60 0.00 1.19 0.23 0.08 51.90 05:21:01 AM 7 53.01 0.00 0.93 0.28 0.07 45.70 05:22:01 AM all 22.16 0.00 1.45 0.15 0.06 76.18 05:22:01 AM 0 19.95 0.00 1.52 0.20 0.07 78.26 05:22:01 AM 1 16.03 0.00 1.40 0.18 0.07 82.31 05:22:01 AM 2 22.16 0.00 1.37 0.22 0.07 76.19 05:22:01 AM 3 35.03 0.00 1.97 0.15 0.05 62.79 05:22:01 AM 4 17.59 0.00 1.09 0.13 0.07 81.12 05:22:01 AM 5 25.50 0.00 1.62 0.15 0.07 72.66 05:22:01 AM 6 21.11 0.00 1.55 0.07 0.05 77.22 05:22:01 AM 7 19.88 0.00 1.07 0.08 0.07 78.90 Average: all 27.29 0.00 1.44 0.31 0.07 70.89 Average: 0 25.07 0.00 1.46 0.25 0.08 73.14 Average: 1 21.93 0.00 1.43 0.43 0.07 76.14 Average: 2 32.08 0.00 1.68 0.30 0.07 65.88 Average: 3 29.93 0.00 1.53 0.23 0.07 68.24 Average: 4 22.76 0.00 1.33 0.20 0.07 75.64 Average: 5 28.45 0.00 1.38 0.25 0.07 69.85 Average: 6 27.39 0.00 1.30 0.47 0.07 70.77 Average: 7 30.73 0.00 1.41 0.35 0.07 67.44