---> uname -a: Linux prd-centos8-docker-8c-8g-8807.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1067 26331 19 4489 30350 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:bb:d3:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:febb:d3c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1b:76:96:02 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::42:1bff:fe76:9602/64 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) 07/11/2026 _x86_64_ (8 CPU) 07:30:22 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 192.37 14.46 177.90 3115.61 10881.92 07:33:01 AM 226.22 4.80 221.43 1128.69 21511.76 07:34:01 AM 253.32 16.59 236.72 5543.35 29544.92 Average: 223.97 11.95 212.02 3262.56 20646.74 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 29089420 31094220 3563944 10.91 2688 2319872 1810284 5.37 186864 2908104 242736 07:33:01 AM 26966616 29785640 5686748 17.42 2688 3125100 3108396 9.22 275300 4897240 434268 07:34:01 AM 25999012 30020740 6654352 20.38 2688 4309620 2380968 7.06 737952 5336640 656652 Average: 27351683 30300200 5301681 16.24 2688 3251531 2433216 7.22 400039 4380661 444552 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 185.92 138.66 2176.60 41.29 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 2005.03 750.77 11718.20 71.49 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 12.83 12.83 1.35 1.35 0.00 0.00 0.00 0.00 07:34:01 AM eth0 238.39 139.60 2090.38 28.27 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.82 5.95 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.28 4.28 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 809.81 343.02 5328.57 47.02 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.98 0.22 0.23 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) 07/11/2026 _x86_64_ (8 CPU) 07:30:22 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 13.44 0.00 1.31 0.51 0.05 84.69 07:32:01 AM 0 13.73 0.00 1.07 0.28 0.08 84.83 07:32:01 AM 1 19.29 0.00 2.09 0.55 0.08 77.98 07:32:01 AM 2 7.67 0.00 1.49 1.19 0.07 89.60 07:32:01 AM 3 25.40 0.00 1.97 0.48 0.05 72.09 07:32:01 AM 4 6.31 0.00 0.90 0.64 0.03 92.12 07:32:01 AM 5 16.27 0.00 1.10 0.20 0.03 82.40 07:32:01 AM 6 13.44 0.00 1.14 0.27 0.03 85.12 07:32:01 AM 7 5.38 0.00 0.75 0.45 0.05 93.36 07:33:01 AM all 31.14 0.00 1.73 0.67 0.08 66.38 07:33:01 AM 0 16.30 0.00 1.09 0.17 0.07 82.37 07:33:01 AM 1 31.40 0.00 1.73 0.22 0.08 66.57 07:33:01 AM 2 45.82 0.00 2.88 0.66 0.10 50.55 07:33:01 AM 3 41.72 0.00 1.81 0.35 0.08 56.03 07:33:01 AM 4 44.60 0.00 2.13 0.69 0.08 52.49 07:33:01 AM 5 20.44 0.00 1.16 0.32 0.07 78.02 07:33:01 AM 6 18.84 0.00 1.98 1.41 0.07 77.70 07:33:01 AM 7 30.12 0.00 1.04 1.51 0.08 67.25 07:34:01 AM all 25.26 0.31 3.44 0.93 0.08 69.99 07:34:01 AM 0 28.58 0.02 3.15 0.40 0.08 67.77 07:34:01 AM 1 22.01 1.82 3.97 1.46 0.08 70.65 07:34:01 AM 2 24.09 0.50 3.91 1.60 0.08 69.81 07:34:01 AM 3 30.62 0.00 3.33 0.56 0.08 65.41 07:34:01 AM 4 19.64 0.05 3.25 1.08 0.08 75.90 07:34:01 AM 5 24.79 0.02 3.43 0.15 0.07 71.54 07:34:01 AM 6 29.91 0.05 3.83 1.78 0.08 64.34 07:34:01 AM 7 22.47 0.00 2.61 0.39 0.07 74.47 Average: all 23.27 0.10 2.16 0.70 0.07 73.71 Average: 0 19.52 0.01 1.76 0.28 0.08 78.35 Average: 1 24.23 0.60 2.60 0.74 0.08 71.74 Average: 2 25.81 0.17 2.76 1.15 0.08 70.03 Average: 3 32.57 0.00 2.37 0.46 0.07 64.52 Average: 4 23.49 0.02 2.09 0.80 0.07 73.53 Average: 5 20.49 0.01 1.89 0.22 0.06 77.33 Average: 6 20.71 0.02 2.32 1.15 0.06 75.74 Average: 7 19.30 0.00 1.46 0.78 0.07 78.38