---> uname -a: Linux prd-centos8-docker-8c-8g-5176.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 1074 26978 19 3834 30347 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:b6:ce:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.187/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:feb6:ceab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:34:c5:a3:cf 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::42:34ff:fec5:a3cf/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) 08/09/2026 _x86_64_ (8 CPU) 03:37:21 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 220.80 14.45 206.35 3118.15 14387.27 03:40:01 AM 467.48 5.51 461.97 1230.85 15946.69 03:41:01 AM 265.73 3.05 262.69 454.97 45136.02 Average: 318.02 7.67 310.35 1601.16 25157.86 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29137008 31178636 3516364 10.77 2688 2355728 1982028 5.88 190484 2849128 180292 03:40:01 AM 27618696 30067940 5034676 15.42 2688 2754272 2359772 7.00 396892 4120808 186580 03:41:01 AM 27595288 31040928 5058084 15.49 2688 3736288 1603972 4.76 654328 3836588 149400 Average: 28116997 30762501 4536375 13.89 2688 2948763 1981924 5.88 413901 3602175 172091 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 240.11 194.53 2761.20 48.10 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 479.49 406.08 5672.74 55.08 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 670.21 518.19 7101.92 1370.18 0.00 0.00 0.00 0.00 03:41:01 AM docker0 10.44 14.94 0.60 308.38 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 463.30 372.95 5178.89 491.17 0.00 0.00 0.00 0.00 Average: docker0 3.48 4.98 0.20 102.81 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) 08/09/2026 _x86_64_ (8 CPU) 03:37:21 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 12.63 0.00 1.22 0.65 0.06 85.43 03:39:01 AM 0 7.10 0.00 0.90 0.67 0.08 91.25 03:39:01 AM 1 11.81 0.00 1.17 0.70 0.07 86.25 03:39:01 AM 2 4.15 0.00 0.99 0.30 0.08 94.48 03:39:01 AM 3 19.67 0.00 1.87 0.80 0.05 77.61 03:39:01 AM 4 8.81 0.00 0.97 0.62 0.05 89.55 03:39:01 AM 5 21.26 0.00 0.70 0.52 0.05 77.47 03:39:01 AM 6 18.81 0.00 2.04 0.74 0.07 78.35 03:39:01 AM 7 9.42 0.00 1.14 0.87 0.07 88.51 03:40:01 AM all 28.18 0.00 1.72 1.06 0.08 68.96 03:40:01 AM 0 34.79 0.00 0.87 0.02 0.08 64.24 03:40:01 AM 1 27.96 0.00 2.45 1.11 0.08 68.41 03:40:01 AM 2 22.29 0.00 1.26 0.37 0.08 76.00 03:40:01 AM 3 35.81 0.00 1.79 0.87 0.08 61.44 03:40:01 AM 4 28.08 0.00 2.01 1.92 0.08 67.90 03:40:01 AM 5 24.80 0.00 2.03 1.94 0.08 71.14 03:40:01 AM 6 24.98 0.00 1.90 1.56 0.10 71.46 03:40:01 AM 7 26.72 0.00 1.43 0.65 0.07 71.13 03:41:01 AM all 16.30 0.00 2.65 0.93 0.07 80.06 03:41:01 AM 0 24.93 0.00 3.22 0.54 0.08 71.22 03:41:01 AM 1 10.18 0.00 2.68 2.13 0.07 84.94 03:41:01 AM 2 12.04 0.00 2.79 0.55 0.08 84.54 03:41:01 AM 3 24.88 0.00 2.20 0.65 0.08 72.19 03:41:01 AM 4 19.41 0.00 2.37 0.42 0.07 77.74 03:41:01 AM 5 5.90 0.00 2.15 0.84 0.07 91.05 03:41:01 AM 6 17.07 0.00 3.28 1.61 0.07 77.97 03:41:01 AM 7 15.96 0.00 2.50 0.65 0.07 80.82 Average: all 19.03 0.00 1.86 0.88 0.07 78.16 Average: 0 22.26 0.00 1.66 0.41 0.08 75.58 Average: 1 16.65 0.00 2.10 1.31 0.07 79.87 Average: 2 12.82 0.00 1.68 0.41 0.08 85.01 Average: 3 26.78 0.00 1.95 0.78 0.07 70.42 Average: 4 18.76 0.00 1.78 0.99 0.07 78.41 Average: 5 17.33 0.00 1.62 1.10 0.07 79.87 Average: 6 20.29 0.00 2.40 1.30 0.08 75.93 Average: 7 17.36 0.00 1.69 0.73 0.07 80.16