---> uname -a: Linux prd-centos8-docker-4c-4g-5815.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1508 11103 19 3152 13908 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:93:ea:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.35/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85931sec preferred_lft 85931sec inet6 fe80::f816:3eff:fe93:ea5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d9:20:41:c4 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:fe20:41c4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/07/2026 _x86_64_ (4 CPU) 00:32:41 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 257.43 30.06 227.37 6704.43 8550.80 12:35:01 AM 219.90 7.47 212.43 1041.96 15501.90 12:36:01 AM 51.37 0.05 51.32 1.07 2740.34 12:37:01 AM 18.75 0.00 18.75 0.00 5630.51 12:38:01 AM 17.68 3.25 14.43 646.32 944.19 12:39:01 AM 74.74 0.13 74.61 2.13 15165.91 12:40:01 AM 33.41 2.77 30.64 101.98 2248.41 Average: 96.18 6.25 89.93 1213.99 7254.33 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13079300 15023672 3062232 18.97 2688 2153932 1427296 8.30 180992 2508160 231780 12:35:01 AM 12208456 14406984 3933076 24.37 2688 2401392 1627716 9.47 242108 3274352 44892 12:36:01 AM 10192764 12574476 5948768 36.85 2688 2582204 3398012 19.77 270160 5249764 160268 12:37:01 AM 10004068 12390484 6137464 38.02 2688 2586732 3445812 20.05 270440 5438916 1052 12:38:01 AM 8931596 11407428 7209936 44.67 2688 2674380 4746156 27.61 339484 6425800 36520 12:39:01 AM 8548736 11368448 7592796 47.04 2688 3009476 4715064 27.43 411760 6705344 40 12:40:01 AM 11350108 14214196 4791424 29.68 2688 3053384 1856120 10.80 658988 3670092 7544 Average: 10616433 13055098 5525099 34.23 2688 2637357 3030882 17.63 339133 4753204 68871 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 388.40 223.43 2130.19 76.21 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 269.71 221.75 3278.57 35.36 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 176.40 126.00 2817.52 22.66 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 256.69 168.02 81.22 83.29 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 3.43 3.43 0.46 0.46 0.00 0.00 0.00 0.00 12:38:01 AM eth0 199.12 128.66 850.52 44.27 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.08 0.15 0.00 0.01 0.00 0.00 0.00 0.00 12:38:01 AM vethfe234fa 0.08 0.20 0.01 0.02 0.00 0.00 0.00 0.00 12:39:01 AM lo 13.13 13.13 26.78 26.78 0.00 0.00 0.00 0.00 12:39:01 AM eth0 158.91 81.01 2019.29 6.22 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.08 0.12 0.00 0.01 0.00 0.00 0.00 0.00 12:39:01 AM vethfe234fa 0.08 0.23 0.00 0.02 0.00 0.00 0.00 0.00 12:39:01 AM br-cefb5d33bf90 5.63 5.68 25.61 0.94 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:40:01 AM eth0 289.77 183.02 635.87 216.59 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.39 2.39 3.89 3.89 0.00 0.00 0.00 0.00 Average: eth0 248.42 161.69 1687.67 69.22 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/07/2026 _x86_64_ (4 CPU) 00:32:41 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 26.04 0.00 2.83 1.27 0.09 69.77 12:34:01 AM 0 17.00 0.00 2.00 0.73 0.10 80.16 12:34:01 AM 1 31.96 0.00 2.73 0.59 0.08 64.64 12:34:01 AM 2 34.04 0.00 3.26 0.84 0.08 61.79 12:34:01 AM 3 21.17 0.00 3.34 2.92 0.08 72.49 12:35:01 AM all 46.89 0.00 1.92 1.88 0.09 49.22 12:35:01 AM 0 42.22 0.00 2.06 1.47 0.10 54.15 12:35:01 AM 1 45.20 0.00 2.21 3.95 0.08 48.55 12:35:01 AM 2 45.02 0.00 2.11 1.12 0.10 51.66 12:35:01 AM 3 55.11 0.00 1.30 0.97 0.08 42.54 12:36:01 AM all 37.01 0.00 1.10 0.22 0.07 61.61 12:36:01 AM 0 27.56 0.00 1.05 0.08 0.05 71.25 12:36:01 AM 1 38.71 0.00 1.14 0.22 0.08 59.86 12:36:01 AM 2 39.96 0.00 0.70 0.07 0.07 59.21 12:36:01 AM 3 41.78 0.00 1.52 0.50 0.07 56.13 12:37:01 AM all 21.61 0.00 1.32 0.13 0.06 76.88 12:37:01 AM 0 16.15 0.00 1.45 0.00 0.08 82.31 12:37:01 AM 1 19.12 0.00 1.20 0.50 0.05 79.12 12:37:01 AM 2 27.27 0.00 1.50 0.02 0.05 71.16 12:37:01 AM 3 23.90 0.00 1.14 0.00 0.05 74.91 12:38:01 AM all 35.05 0.00 1.39 0.08 0.08 63.41 12:38:01 AM 0 22.68 0.00 1.32 0.00 0.07 75.94 12:38:01 AM 1 38.94 0.00 1.04 0.13 0.08 59.81 12:38:01 AM 2 56.43 0.00 2.14 0.13 0.10 41.19 12:38:01 AM 3 22.13 0.00 1.05 0.05 0.07 76.69 12:39:01 AM all 16.28 0.00 2.60 0.51 0.07 80.54 12:39:01 AM 0 15.65 0.00 2.75 0.52 0.07 81.01 12:39:01 AM 1 17.48 0.00 2.65 0.49 0.08 79.30 12:39:01 AM 2 17.45 0.00 2.45 0.25 0.07 79.78 12:39:01 AM 3 14.51 0.00 2.55 0.79 0.07 82.08 12:40:01 AM all 42.67 0.00 1.69 0.15 0.07 55.42 12:40:01 AM 0 28.90 0.00 1.64 0.08 0.08 69.29 12:40:01 AM 1 53.83 0.00 2.32 0.28 0.07 43.50 12:40:01 AM 2 45.74 0.00 1.37 0.20 0.07 52.62 12:40:01 AM 3 42.19 0.00 1.44 0.02 0.07 56.29 Average: all 32.23 0.00 1.84 0.60 0.08 65.25 Average: 0 24.31 0.00 1.75 0.41 0.08 73.45 Average: 1 35.05 0.00 1.90 0.88 0.08 62.10 Average: 2 38.00 0.00 1.93 0.37 0.08 59.62 Average: 3 31.57 0.00 1.76 0.75 0.07 65.86