---> uname -a: Linux prd-centos8-docker-8c-8g-13500.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 1056 27068 19 3762 30369 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:33:ce:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.198/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe33:cecf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:77:86:39:ff 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::42:77ff:fe86:39ff/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) 08/18/2026 _x86_64_ (8 CPU) 17:12:07 LINUX RESTART (8 CPU) 05:13:02 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 276.43 14.67 261.76 3170.45 17110.57 05:15:01 PM 471.04 7.23 463.81 1274.32 14306.17 05:16:01 PM 166.83 2.03 164.80 462.25 42335.49 Average: 304.91 7.94 296.97 1627.12 24626.39 05:13:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28664460 30801956 3988912 12.22 2688 2448304 1807984 5.36 202140 3295620 150260 05:15:01 PM 27273104 29909136 5380268 16.48 2688 2937456 2402836 7.13 422532 4427648 294044 05:16:01 PM 27701112 31082372 4952260 15.17 2688 3675192 1571896 4.66 823320 3574564 91840 Average: 27879559 30597821 4773813 14.62 2688 3020317 1927572 5.72 482664 3765944 178715 05:13:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 340.24 293.75 3427.61 64.13 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 572.25 474.85 7151.85 60.15 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 378.17 344.02 3507.43 2376.52 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.93 14.63 0.57 260.72 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 430.72 371.30 4702.58 837.94 0.00 0.00 0.00 0.00 Average: docker0 2.66 4.90 0.19 87.40 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) 08/18/2026 _x86_64_ (8 CPU) 17:12:07 LINUX RESTART (8 CPU) 05:13:02 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 16.22 0.00 1.45 0.76 0.08 81.49 05:14:01 PM 0 12.30 0.00 1.43 0.63 0.08 85.56 05:14:01 PM 1 7.23 0.00 1.17 0.63 0.10 90.87 05:14:01 PM 2 20.40 0.00 0.97 0.31 0.07 78.25 05:14:01 PM 3 16.11 0.00 0.90 0.29 0.09 82.61 05:14:01 PM 4 37.37 0.00 2.75 0.66 0.09 59.13 05:14:01 PM 5 21.75 0.00 1.54 0.75 0.08 75.88 05:14:01 PM 6 5.89 0.00 1.26 1.31 0.07 91.48 05:14:01 PM 7 8.69 0.00 1.56 1.55 0.05 88.15 05:15:01 PM all 30.21 0.00 1.76 0.99 0.08 66.95 05:15:01 PM 0 24.79 0.00 1.37 0.62 0.08 73.13 05:15:01 PM 1 25.26 0.00 1.96 1.24 0.08 71.45 05:15:01 PM 2 26.21 0.00 2.69 1.53 0.08 69.49 05:15:01 PM 3 41.73 0.00 1.47 0.30 0.08 56.41 05:15:01 PM 4 25.49 0.00 1.31 0.32 0.08 72.80 05:15:01 PM 5 34.65 0.00 2.64 3.19 0.08 59.44 05:15:01 PM 6 35.23 0.00 1.54 0.49 0.08 62.66 05:15:01 PM 7 28.32 0.00 1.12 0.25 0.08 70.22 05:16:01 PM all 13.70 0.00 2.29 0.73 0.07 83.21 05:16:01 PM 0 7.17 0.00 2.06 0.23 0.07 90.47 05:16:01 PM 1 6.50 0.00 2.48 2.36 0.07 88.58 05:16:01 PM 2 22.24 0.00 2.33 1.42 0.07 73.94 05:16:01 PM 3 12.64 0.00 2.11 0.55 0.08 84.61 05:16:01 PM 4 15.97 0.00 2.45 0.27 0.08 81.23 05:16:01 PM 5 21.78 0.00 2.97 0.13 0.07 75.05 05:16:01 PM 6 9.59 0.00 2.06 0.75 0.07 87.53 05:16:01 PM 7 13.69 0.00 1.86 0.10 0.07 84.28 Average: all 20.06 0.00 1.84 0.83 0.08 77.20 Average: 0 14.77 0.00 1.62 0.49 0.08 83.04 Average: 1 13.02 0.00 1.88 1.42 0.08 83.60 Average: 2 22.96 0.00 2.00 1.09 0.07 73.88 Average: 3 23.54 0.00 1.50 0.38 0.08 74.50 Average: 4 26.22 0.00 2.17 0.42 0.08 71.11 Average: 5 26.07 0.00 2.39 1.36 0.08 70.10 Average: 6 16.97 0.00 1.62 0.85 0.07 80.49 Average: 7 16.94 0.00 1.51 0.63 0.07 80.85