---> uname -a: Linux prd-centos8-docker-4c-4g-4173.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: 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): 0-3 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 815 12007 20 2938 14595 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:16:14:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.68/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe16:14e8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d9:9b:1d:83 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:d9ff:fe9b:1d83/64 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) 09/22/2026 _x86_64_ (4 CPU) 12:34:32 LINUX RESTART (4 CPU) 12:35:02 PM tps rtps wtps bread/s bwrtn/s 12:36:01 PM 99.66 7.52 92.14 1222.22 6031.83 12:37:01 PM 177.98 1.12 176.86 870.50 15757.32 12:38:01 PM 142.12 2.17 139.95 3137.49 20794.45 12:39:01 PM 21.93 1.38 20.54 127.29 878.91 Average: 110.47 3.03 107.44 1339.84 10885.64 12:35:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:36:01 PM 13017912 15004140 3121404 19.34 2688 2194988 1424652 8.29 152680 2587188 339520 12:37:01 PM 12122768 14273240 4016548 24.89 2688 2352372 2047048 11.91 203756 3391844 55540 12:38:01 PM 12350452 14996144 3788864 23.48 2688 2834160 1319856 7.68 344556 2972036 136 12:39:01 PM 12315184 14967592 3824132 23.69 2688 2839744 1192416 6.94 543596 2808528 8236 Average: 12451579 14810279 3687737 22.85 2688 2555316 1495993 8.70 311147 2939899 100858 12:35:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 PM eth0 139.91 87.50 1856.31 18.73 0.00 0.00 0.00 0.00 12:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 PM eth0 213.89 181.49 1240.40 52.90 0.00 0.00 0.00 0.00 12:37:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 PM eth0 151.38 75.26 2121.18 47.90 0.00 0.00 0.00 0.00 12:38:01 PM docker0 10.03 7.95 26.27 2.58 0.00 0.00 0.00 0.00 12:38:01 PM vethc1e69b9 10.03 7.96 26.41 2.57 0.00 0.00 0.00 0.00 12:39:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 PM eth0 114.96 128.77 54.67 250.22 0.00 0.00 0.00 0.00 12:39:01 PM docker0 30.69 23.41 104.87 6.94 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 155.10 118.38 1315.93 92.74 0.00 0.00 0.00 0.00 Average: docker0 10.22 7.87 32.92 2.39 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) 09/22/2026 _x86_64_ (4 CPU) 12:34:32 LINUX RESTART (4 CPU) 12:35:02 PM CPU %user %nice %system %iowait %steal %idle 12:36:01 PM all 20.94 0.00 1.86 0.95 0.01 76.24 12:36:01 PM 0 14.36 0.00 1.41 0.48 0.02 83.74 12:36:01 PM 1 10.54 0.00 0.94 1.50 0.00 87.03 12:36:01 PM 2 33.07 0.00 2.48 1.09 0.02 63.35 12:36:01 PM 3 25.77 0.00 2.60 0.73 0.02 70.88 12:37:01 PM all 62.05 0.00 3.25 0.88 0.02 33.81 12:37:01 PM 0 62.32 0.00 3.51 0.97 0.02 33.18 12:37:01 PM 1 62.00 0.00 3.99 1.19 0.02 32.81 12:37:01 PM 2 59.59 0.00 2.78 0.79 0.02 36.83 12:37:01 PM 3 64.27 0.00 2.73 0.57 0.02 32.41 12:38:01 PM all 40.06 0.00 3.70 0.80 0.00 55.44 12:38:01 PM 0 36.38 0.00 3.28 0.94 0.00 59.39 12:38:01 PM 1 49.77 0.00 3.64 0.72 0.02 45.86 12:38:01 PM 2 36.36 0.00 4.23 1.07 0.00 58.33 12:38:01 PM 3 37.72 0.00 3.64 0.47 0.00 58.18 12:39:01 PM all 18.34 0.00 2.21 0.07 0.00 79.38 12:39:01 PM 0 23.26 0.00 2.25 0.10 0.00 74.39 12:39:01 PM 1 20.02 0.00 2.65 0.08 0.00 77.24 12:39:01 PM 2 9.08 0.00 1.72 0.00 0.00 89.20 12:39:01 PM 3 20.97 0.00 2.22 0.10 0.02 76.69 Average: all 35.39 0.00 2.76 0.67 0.01 61.17 Average: 0 34.15 0.00 2.62 0.62 0.01 62.61 Average: 1 35.66 0.00 2.81 0.87 0.01 60.65 Average: 2 34.52 0.00 2.80 0.74 0.01 61.93 Average: 3 37.22 0.00 2.80 0.47 0.01 59.50