---> uname -a: Linux prd-centos8-docker-4c-4g-9051.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 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 759 12092 19 2909 14664 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:6f:d4:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.219/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe6f:d41a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:84:c6:bc:fa 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/07/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 189.22 15.16 174.05 3250.79 10864.74 01:25:01 PM 180.39 6.16 174.23 1054.85 17165.53 01:26:01 PM 34.91 3.02 31.89 109.98 780.49 Average: 134.84 8.11 126.73 1471.85 9604.00 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12775464 14886788 3363856 20.84 2688 2316860 1334404 7.76 188240 2777592 233812 01:25:01 PM 11433120 13816208 4706200 29.16 2688 2583684 2245828 13.07 255664 4023688 2952 01:26:01 PM 12392204 15024868 3747116 23.22 2688 2831244 1124976 6.55 529720 2793000 263160 Average: 12200263 14575955 3939057 24.41 2688 2577263 1568403 9.13 324541 3198093 166641 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 174.92 135.86 2089.66 28.66 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 14.11 14.11 3.61 3.61 0.00 0.00 0.00 0.00 01:25:01 PM eth0 357.50 223.36 3748.67 57.89 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 15.10 15.10 2.48 2.48 0.00 0.00 0.00 0.00 01:26:01 PM eth0 76.85 79.20 278.07 934.51 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.74 9.74 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 203.10 146.15 2038.89 340.34 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 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) 06/07/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.28 0.00 2.48 1.10 0.09 70.05 01:24:01 PM 0 39.01 0.00 3.47 0.70 0.12 56.70 01:24:01 PM 1 18.39 0.00 2.83 2.24 0.10 76.44 01:24:01 PM 2 25.08 0.00 1.57 0.67 0.08 72.60 01:24:01 PM 3 22.64 0.00 2.06 0.77 0.07 74.46 01:25:01 PM all 50.38 0.00 1.92 0.86 0.08 46.75 01:25:01 PM 0 48.96 0.00 1.64 0.80 0.08 48.52 01:25:01 PM 1 46.02 0.00 1.81 0.72 0.08 51.37 01:25:01 PM 2 58.68 0.00 2.21 1.25 0.08 37.78 01:25:01 PM 3 47.89 0.00 2.04 0.69 0.07 49.32 01:26:01 PM all 16.80 0.00 1.43 0.15 0.06 81.57 01:26:01 PM 0 19.64 0.00 1.84 0.13 0.05 78.34 01:26:01 PM 1 12.25 0.00 1.64 0.13 0.07 85.91 01:26:01 PM 2 13.08 0.00 1.42 0.28 0.05 85.17 01:26:01 PM 3 22.21 0.00 0.82 0.03 0.07 76.87 Average: all 31.16 0.00 1.94 0.70 0.08 66.12 Average: 0 35.87 0.00 2.32 0.55 0.08 61.18 Average: 1 25.56 0.00 2.09 1.03 0.08 71.24 Average: 2 32.28 0.00 1.73 0.74 0.07 65.18 Average: 3 30.92 0.00 1.64 0.50 0.07 66.88