---> uname -a: Linux prd-centos8-docker-4c-4g-11484.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 833 11454 19 3472 14577 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:d6:51:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.166/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85885sec preferred_lft 85885sec inet6 fe80::f816:3eff:fed6:5103/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7b:b2:93:bf 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::42:7bff:feb2:93bf/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) 06/13/2026 _x86_64_ (4 CPU) 08:02:59 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 193.12 19.00 174.13 3955.24 9515.72 08:06:01 AM 121.65 2.92 118.73 273.69 12761.47 08:07:01 AM 26.01 0.00 26.01 0.00 6353.83 08:08:01 AM 12.04 2.88 9.16 226.74 271.09 08:09:01 AM 86.04 0.63 85.41 416.33 16056.31 08:10:01 AM 10.13 1.22 8.91 1590.67 592.74 08:11:01 AM 113.34 0.08 113.26 9.86 9390.97 Average: 80.34 3.82 76.52 924.86 7848.47 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 12592768 14820292 3546544 21.97 2688 2431124 1305596 7.60 174684 2969512 302968 08:06:01 AM 11007056 13474880 5132256 31.80 2688 2667000 2411072 14.03 263592 4439652 183352 08:07:01 AM 10686748 13158864 5452564 33.78 2688 2671128 3215944 18.71 263816 4757324 2564 08:08:01 AM 9799220 12296088 6340092 39.28 2688 2695128 3439952 20.01 275388 5625880 5248 08:09:01 AM 9156992 12064700 6982320 43.26 2688 3095852 4393056 25.56 396856 6103940 988 08:10:01 AM 11070584 14232848 5068728 31.41 2688 3350036 2343228 13.63 456244 4138604 197988 08:11:01 AM 11779200 14967592 4360112 27.02 2688 3371392 1715428 9.98 659632 3222536 17988 Average: 10870367 13573609 5268945 32.65 2688 2897380 2689182 15.65 355745 4465350 101585 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 239.51 192.46 2510.15 36.85 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 257.24 192.43 3430.52 33.15 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 295.18 183.14 89.73 88.60 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 3.96 3.96 0.51 0.51 0.00 0.00 0.00 0.00 08:08:01 AM eth0 117.95 76.67 44.42 51.78 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 13.53 13.53 26.83 26.83 0.00 0.00 0.00 0.00 08:09:01 AM eth0 167.85 95.07 2827.49 8.52 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.22 0.32 0.01 0.03 0.00 0.00 0.00 0.00 08:09:01 AM vethdf4a20c 0.22 0.47 0.01 0.04 0.00 0.00 0.00 0.00 08:09:01 AM br-3e473fb613ba 5.73 5.56 25.61 0.93 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.95 0.95 0.05 0.05 0.00 0.00 0.00 0.00 08:10:01 AM eth0 145.29 103.95 3142.20 10.78 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.10 0.12 0.00 0.01 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 57.58 38.69 9.97 175.84 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.63 2.63 3.91 3.91 0.00 0.00 0.00 0.00 Average: eth0 182.94 126.05 1721.96 57.93 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.06 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) 06/13/2026 _x86_64_ (4 CPU) 08:02:59 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 22.02 0.00 2.04 3.37 0.10 72.48 08:05:01 AM 0 23.23 0.00 2.59 5.52 0.10 68.56 08:05:01 AM 1 19.28 0.00 1.03 2.22 0.08 77.38 08:05:01 AM 2 15.79 0.00 1.00 0.72 0.10 82.39 08:05:01 AM 3 29.77 0.00 3.53 5.00 0.12 61.59 08:06:01 AM all 63.96 0.00 1.88 0.42 0.10 33.64 08:06:01 AM 0 64.81 0.00 1.45 0.13 0.08 33.52 08:06:01 AM 1 71.42 0.00 1.97 0.37 0.10 26.14 08:06:01 AM 2 57.35 0.00 2.29 0.37 0.10 39.89 08:06:01 AM 3 62.25 0.00 1.82 0.80 0.10 35.02 08:07:01 AM all 20.50 0.00 1.27 0.16 0.07 78.00 08:07:01 AM 0 18.85 0.00 1.35 0.07 0.07 79.67 08:07:01 AM 1 18.20 0.00 1.80 0.27 0.07 79.66 08:07:01 AM 2 19.78 0.00 1.07 0.28 0.07 78.80 08:07:01 AM 3 25.17 0.00 0.85 0.03 0.07 73.88 08:08:01 AM all 39.48 0.00 1.54 0.04 0.08 58.85 08:08:01 AM 0 23.54 0.00 1.67 0.03 0.10 74.66 08:08:01 AM 1 53.64 0.00 1.85 0.05 0.08 44.38 08:08:01 AM 2 44.85 0.00 1.77 0.07 0.08 53.23 08:08:01 AM 3 35.88 0.00 0.88 0.02 0.07 63.15 08:09:01 AM all 22.71 0.00 2.89 7.96 0.10 66.35 08:09:01 AM 0 21.19 0.00 3.09 8.32 0.08 67.31 08:09:01 AM 1 27.48 0.00 3.17 13.57 0.10 55.67 08:09:01 AM 2 18.21 0.00 2.84 3.43 0.10 75.42 08:09:01 AM 3 23.94 0.00 2.45 6.50 0.10 67.01 08:10:01 AM all 36.70 0.00 1.12 0.07 0.07 62.04 08:10:01 AM 0 37.92 0.00 1.37 0.08 0.07 60.56 08:10:01 AM 1 33.23 0.00 1.10 0.02 0.07 65.58 08:10:01 AM 2 35.80 0.00 1.14 0.02 0.07 62.98 08:10:01 AM 3 39.84 0.00 0.85 0.17 0.08 59.05 08:11:01 AM all 63.57 0.00 1.65 0.55 0.10 34.13 08:11:01 AM 0 73.29 0.00 1.48 0.15 0.10 24.98 08:11:01 AM 1 31.06 0.00 2.29 1.95 0.12 64.59 08:11:01 AM 2 75.15 0.00 2.40 0.07 0.12 22.27 08:11:01 AM 3 74.77 0.00 0.42 0.02 0.08 24.72 Average: all 38.43 0.00 1.77 1.79 0.09 57.92 Average: 0 37.57 0.00 1.86 2.04 0.09 58.45 Average: 1 36.34 0.00 1.89 2.63 0.09 59.06 Average: 2 38.16 0.00 1.79 0.70 0.09 59.26 Average: 3 41.67 0.00 1.54 1.79 0.09 54.91