---> uname -a: Linux prd-centos8-docker-4c-4g-12655.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 824 11728 19 3207 14588 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:fe:f7:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85980sec preferred_lft 85980sec inet6 fe80::f816:3eff:fefe:f7a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fd:3d:00:e0 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:fdff:fe3d:e0/64 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) 07/14/2026 _x86_64_ (4 CPU) 07:59:37 LINUX RESTART (4 CPU) 08:00:01 AM tps rtps wtps bread/s bwrtn/s 08:01:01 AM 317.78 6.68 311.10 1083.77 8835.29 08:02:01 AM 250.92 21.37 229.56 3994.80 17392.52 08:03:01 AM 37.11 0.05 37.06 1.07 7986.20 08:04:01 AM 3.90 0.00 3.90 0.00 306.22 08:05:01 AM 78.51 3.35 75.16 589.44 15365.30 08:06:01 AM 20.19 0.12 20.07 10.93 3814.58 Average: 118.08 5.26 112.82 946.94 8951.02 08:00:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:01:01 AM 13185988 15122860 2953332 18.30 2688 2144544 1108168 6.45 146180 2427584 276852 08:02:01 AM 11742124 14200552 4397196 27.25 2688 2658204 1876592 10.92 240956 3726784 214352 08:03:01 AM 9957232 12428856 6182088 38.30 2688 2670456 3895060 22.66 262828 5482032 2060 08:04:01 AM 9009916 11488408 7129404 44.17 2688 2677044 4656240 27.09 264520 6425512 2648 08:05:01 AM 5624932 8660564 10514388 65.15 2688 3223020 14528864 84.53 374212 9614288 93784 08:06:01 AM 12008412 14925768 4130908 25.60 2688 3104984 1763176 10.26 579820 3077976 9320 Average: 10254767 12804501 5884553 36.46 2688 2746375 4638017 26.98 311419 5125696 99836 08:00:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 AM eth0 114.10 80.56 1375.12 29.23 0.00 0.00 0.00 0.00 08:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 AM eth0 403.70 318.97 5538.40 45.93 0.00 0.00 0.00 0.00 08:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 AM eth0 19.00 16.83 3.92 26.70 0.00 0.00 0.00 0.00 08:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 20.21 16.36 4.63 21.46 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 13.86 13.86 26.94 26.94 0.00 0.00 0.00 0.00 08:05:01 AM eth0 170.56 102.20 2829.27 12.24 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 08:05:01 AM veth76beda5 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 08:05:01 AM br-1335926c98af 5.53 5.40 25.59 0.91 0.00 0.00 0.00 0.00 08:05:01 AM vethacc4af8 6.06 5.55 25.69 0.90 0.00 0.00 0.00 0.00 08:05:01 AM vethe1f6c2c 10.83 11.49 26.54 26.60 0.00 0.00 0.00 0.00 08:06:01 AM lo 2.70 2.70 0.17 0.17 0.00 0.00 0.00 0.00 08:06:01 AM eth0 13.51 11.46 8.59 5.37 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.15 0.17 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 2.76 2.76 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 123.54 91.08 1627.06 23.49 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 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) 07/14/2026 _x86_64_ (4 CPU) 07:59:37 LINUX RESTART (4 CPU) 08:00:01 AM CPU %user %nice %system %iowait %steal %idle 08:01:01 AM all 21.41 0.00 2.28 1.11 0.07 75.13 08:01:01 AM 0 20.47 0.00 2.09 0.43 0.07 76.94 08:01:01 AM 1 20.83 0.00 1.65 0.53 0.07 76.91 08:01:01 AM 2 19.41 0.00 1.97 0.23 0.07 78.32 08:01:01 AM 3 24.94 0.00 3.40 3.25 0.08 68.32 08:02:01 AM all 49.50 0.00 3.64 1.31 0.12 45.44 08:02:01 AM 0 49.27 0.00 3.28 1.40 0.12 45.93 08:02:01 AM 1 50.84 0.00 5.03 1.77 0.13 42.22 08:02:01 AM 2 44.55 0.00 3.41 1.37 0.12 50.55 08:02:01 AM 3 53.33 0.00 2.83 0.69 0.10 43.06 08:03:01 AM all 45.97 0.00 0.89 0.21 0.11 52.82 08:03:01 AM 0 38.90 0.00 0.78 0.38 0.13 59.80 08:03:01 AM 1 51.13 0.00 1.57 0.23 0.12 46.95 08:03:01 AM 2 51.12 0.00 0.50 0.10 0.10 48.18 08:03:01 AM 3 42.72 0.00 0.70 0.12 0.10 56.36 08:04:01 AM all 23.20 0.00 0.58 0.01 0.07 76.15 08:04:01 AM 0 15.24 0.00 0.45 0.03 0.05 84.23 08:04:01 AM 1 15.44 0.00 0.55 0.00 0.05 83.96 08:04:01 AM 2 17.39 0.00 0.38 0.00 0.07 82.16 08:04:01 AM 3 44.70 0.00 0.93 0.00 0.10 54.26 08:05:01 AM all 42.54 0.00 3.48 0.57 0.13 53.28 08:05:01 AM 0 35.10 0.00 3.06 0.71 0.12 61.02 08:05:01 AM 1 32.84 0.00 2.44 0.35 0.12 64.25 08:05:01 AM 2 43.95 0.00 4.20 0.62 0.15 51.08 08:05:01 AM 3 58.26 0.00 4.23 0.59 0.15 36.77 08:06:01 AM all 20.54 0.00 1.22 0.31 0.06 77.87 08:06:01 AM 0 20.30 0.00 0.95 0.02 0.07 78.66 08:06:01 AM 1 24.14 0.00 1.30 0.45 0.07 74.04 08:06:01 AM 2 17.76 0.00 1.40 0.30 0.05 80.48 08:06:01 AM 3 19.96 0.00 1.24 0.47 0.07 78.27 Average: all 33.85 0.00 2.01 0.59 0.09 63.46 Average: 0 29.87 0.00 1.77 0.50 0.09 67.78 Average: 1 32.53 0.00 2.09 0.56 0.09 64.73 Average: 2 32.36 0.00 1.98 0.44 0.09 65.14 Average: 3 40.64 0.00 2.22 0.85 0.10 56.19