---> uname -a: Linux prd-centos8-docker-4c-4g-4295.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1073 10756 19 3930 14337 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:b8:ca:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86039sec preferred_lft 86039sec inet6 fe80::f816:3eff:feb8:ca49/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c1:e6:53:77 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:c1ff:fee6:5377/64 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) 07/01/2026 _x86_64_ (4 CPU) 11:48:01 LINUX RESTART (4 CPU) 11:49:01 AM tps rtps wtps bread/s bwrtn/s 11:50:01 AM 169.95 4.83 165.12 444.71 10221.86 11:51:01 AM 137.60 1.68 135.92 736.15 15129.11 11:52:01 AM 165.94 1.52 164.43 80.77 24898.60 11:53:01 AM 1096.95 95.13 1001.82 1698.12 26774.85 11:54:01 AM 83.05 23.90 59.16 602.43 2730.21 Average: 330.68 25.41 305.27 712.40 15950.81 11:49:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:01 AM 12635028 14681144 3504292 21.71 2688 2251380 1635368 9.51 160316 2945376 251820 11:51:01 AM 11694776 13932188 4444544 27.54 2688 2438716 2586492 15.05 205096 3812676 36 11:52:01 AM 10582700 14024580 5556620 34.43 2688 3530028 1880892 10.94 422656 4469644 462232 11:53:01 AM 8991516 12589556 7147804 44.29 2688 3587628 2007164 11.68 472808 5750532 8 11:54:01 AM 11080092 14742996 5059228 31.35 2688 3646840 1194744 6.95 692648 3458412 24300 Average: 10996822 13994093 5142498 31.86 2688 3090918 1860932 10.83 390705 4087328 147679 11:49:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 AM eth0 191.84 138.68 2127.13 29.38 0.00 0.00 0.00 0.00 11:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 AM eth0 184.66 143.49 2507.87 20.13 0.00 0.00 0.00 0.00 11:51:01 AM docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 AM veth42a2de5 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 11:52:01 AM lo 6.40 6.40 4.55 4.55 0.00 0.00 0.00 0.00 11:52:01 AM eth0 286.70 228.34 3973.78 1210.35 0.00 0.00 0.00 0.00 11:52:01 AM docker0 3.38 3.32 4.09 0.46 0.00 0.00 0.00 0.00 11:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:53:01 AM eth0 4.63 3.48 58.83 2.66 0.00 0.00 0.00 0.00 11:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:54:01 AM eth0 35.23 30.58 61.98 46.46 0.00 0.00 0.00 0.00 11:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 140.62 108.92 1746.04 261.80 0.00 0.00 0.00 0.00 Average: docker0 0.68 0.67 0.82 0.09 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) 07/01/2026 _x86_64_ (4 CPU) 11:48:01 LINUX RESTART (4 CPU) 11:49:01 AM CPU %user %nice %system %iowait %steal %idle 11:50:01 AM all 22.37 0.00 2.13 2.55 0.08 72.87 11:50:01 AM 0 19.36 0.00 2.12 2.04 0.08 76.40 11:50:01 AM 1 18.04 0.00 2.06 4.00 0.08 75.83 11:50:01 AM 2 31.05 0.00 2.51 2.72 0.08 63.64 11:50:01 AM 3 21.05 0.00 1.85 1.44 0.07 75.59 11:51:01 AM all 19.06 0.00 1.16 1.30 0.05 78.42 11:51:01 AM 0 14.51 0.00 1.15 0.67 0.05 83.62 11:51:01 AM 1 19.82 0.00 0.90 1.13 0.05 78.09 11:51:01 AM 2 20.30 0.00 1.49 1.64 0.07 76.51 11:51:01 AM 3 21.63 0.00 1.09 1.77 0.05 75.47 11:52:01 AM all 38.91 0.09 7.39 1.61 0.10 51.90 11:52:01 AM 0 33.08 0.17 6.10 0.65 0.10 59.90 11:52:01 AM 1 39.08 0.02 8.04 1.98 0.10 50.78 11:52:01 AM 2 34.25 0.07 6.65 2.90 0.10 56.03 11:52:01 AM 3 49.19 0.12 8.75 0.91 0.10 40.93 11:53:01 AM all 31.25 0.00 5.27 12.72 0.11 50.65 11:53:01 AM 0 20.04 0.00 5.43 9.71 0.12 64.71 11:53:01 AM 1 20.50 0.00 4.94 15.11 0.10 59.35 11:53:01 AM 2 21.71 0.00 4.32 12.34 0.10 61.53 11:53:01 AM 3 62.80 0.00 6.38 13.70 0.12 17.00 11:54:01 AM all 30.25 0.00 2.14 1.90 0.09 65.62 11:54:01 AM 0 23.10 0.00 2.17 2.15 0.07 72.51 11:54:01 AM 1 24.11 0.00 1.84 1.39 0.08 72.58 11:54:01 AM 2 47.90 0.00 3.04 2.12 0.12 46.82 11:54:01 AM 3 25.88 0.00 1.52 1.94 0.08 70.57 Average: all 28.33 0.02 3.60 4.01 0.09 63.95 Average: 0 21.98 0.03 3.38 3.04 0.08 71.48 Average: 1 24.27 0.00 3.54 4.72 0.08 67.39 Average: 2 31.04 0.01 3.59 4.34 0.09 60.92 Average: 3 36.03 0.02 3.90 3.94 0.08 56.01