---> uname -a: Linux prd-centos8-docker-4c-4g-10819.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: 2799.996 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 1031 10799 19 3929 14380 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:a2:53:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.212/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86029sec preferred_lft 86029sec inet6 fe80::f816:3eff:fea2:5323/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f3:f4:16:8b 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:f3ff:fef4:168b/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) 06/11/2026 _x86_64_ (4 CPU) 08:06:18 LINUX RESTART (4 CPU) 08:07:01 AM tps rtps wtps bread/s bwrtn/s 08:08:01 AM 134.94 1.95 132.99 320.83 10259.15 08:09:01 AM 226.25 4.82 221.43 884.52 27566.79 08:10:00 AM 52.22 1.46 50.76 79.40 902.13 08:11:01 AM 1126.20 81.27 1044.93 1510.83 38383.98 08:12:01 AM 74.63 36.74 37.89 607.00 1351.38 Average: 324.15 25.34 298.80 682.24 15737.75 08:07:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:08:01 AM 12837968 14848108 3301352 20.46 2688 2217164 1567628 9.12 155672 2753468 219912 08:09:01 AM 11059668 13642952 5079652 31.47 2688 2775296 3005372 17.49 209428 4407792 184 08:10:00 AM 11225728 14084684 4913592 30.44 2688 3045568 2256580 13.13 353444 4081196 267640 08:11:01 AM 9972504 13567160 6166816 38.21 2688 3584532 1980784 11.52 403036 4857760 6772 08:12:01 AM 11064848 14715896 5074472 31.44 2688 3636956 1238076 7.20 609896 3564584 38200 Average: 11232143 14171760 4907177 30.41 2688 3051903 2009688 11.69 346295 3932960 106542 08:07:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:08:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM eth0 127.76 91.17 1853.24 19.76 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:09:01 AM eth0 345.41 237.11 5162.89 34.96 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 08:09:01 AM vethc4512c3 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 08:09:01 AM veth869014b 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM vethde0e279 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 AM lo 6.15 6.15 4.58 4.58 0.00 0.00 0.00 0.00 08:10:00 AM eth0 104.61 79.04 784.83 18.79 0.00 0.00 0.00 0.00 08:10:00 AM docker0 3.42 3.30 4.11 0.46 0.00 0.00 0.00 0.00 08:10:00 AM vethc4512c3 0.15 0.23 0.01 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 126.96 82.38 1080.10 20.25 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 08:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 AM eth0 22.18 20.89 50.45 9.83 0.00 0.00 0.00 0.00 08:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 145.40 102.12 1786.58 20.72 0.00 0.00 0.00 0.00 Average: docker0 0.70 0.70 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) 06/11/2026 _x86_64_ (4 CPU) 08:06:18 LINUX RESTART (4 CPU) 08:07:01 AM CPU %user %nice %system %iowait %steal %idle 08:08:01 AM all 21.75 0.00 2.09 2.27 0.11 73.78 08:08:01 AM 0 37.34 0.00 2.79 1.37 0.12 58.39 08:08:01 AM 1 16.97 0.00 1.87 3.55 0.12 77.49 08:08:01 AM 2 18.22 0.00 2.01 2.89 0.10 76.78 08:08:01 AM 3 14.40 0.00 1.66 1.28 0.12 82.54 08:09:01 AM all 32.09 0.00 3.28 5.17 0.19 59.26 08:09:01 AM 0 33.08 0.00 3.21 2.65 0.20 60.85 08:09:01 AM 1 26.89 0.00 3.37 11.69 0.17 57.87 08:09:01 AM 2 34.47 0.00 3.60 2.57 0.19 59.17 08:09:01 AM 3 33.95 0.00 2.95 3.75 0.20 59.15 08:10:00 AM all 32.11 0.16 3.18 2.07 0.19 62.30 08:10:00 AM 0 35.86 0.12 3.33 0.41 0.25 60.03 08:10:00 AM 1 35.92 0.14 4.23 0.94 0.14 58.64 08:10:00 AM 2 27.04 0.12 1.96 4.36 0.23 66.28 08:10:00 AM 3 29.62 0.24 3.18 2.55 0.16 64.25 08:11:01 AM all 26.86 0.00 10.96 10.03 0.19 51.96 08:11:01 AM 0 29.07 0.00 11.67 10.16 0.17 48.93 08:11:01 AM 1 13.14 0.00 10.89 11.05 0.19 64.73 08:11:01 AM 2 21.28 0.00 10.27 9.88 0.17 58.39 08:11:01 AM 3 43.92 0.00 11.01 9.04 0.22 35.81 08:12:01 AM all 40.22 0.00 2.15 1.59 0.19 55.84 08:12:01 AM 0 42.95 0.00 2.17 0.25 0.15 54.48 08:12:01 AM 1 42.53 0.00 2.40 2.99 0.19 51.89 08:12:01 AM 2 30.96 0.00 2.13 2.66 0.15 64.10 08:12:01 AM 3 44.46 0.00 1.90 0.47 0.29 52.88 Average: all 30.59 0.03 4.33 4.23 0.17 60.65 Average: 0 35.67 0.02 4.64 2.99 0.18 56.50 Average: 1 27.06 0.03 4.54 6.04 0.16 62.17 Average: 2 26.38 0.02 4.00 4.47 0.17 64.97 Average: 3 33.27 0.05 4.14 3.41 0.20 58.93