---> uname -a: Linux prd-centos8-docker-4c-4g-3676.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 804 11659 19 3299 14609 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:14:e0:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.236/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85930sec preferred_lft 85930sec inet6 fe80::f816:3eff:fe14:e021/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8d:73:4d:a2 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::42:8dff:fe73:4da2/64 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) 03/21/2026 _x86_64_ (4 CPU) 08:02:20 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 238.75 19.73 219.03 3962.81 13726.97 08:05:01 AM 107.68 1.72 105.97 103.18 11834.66 08:06:01 AM 14.31 0.05 14.26 1.07 559.12 08:07:01 AM 23.08 3.25 19.83 563.91 1130.69 08:08:01 AM 72.94 0.17 72.78 4.53 17781.71 08:09:01 AM 20.06 1.22 18.84 1590.40 7135.07 08:10:01 AM 130.58 0.45 130.13 63.86 3412.26 Average: 86.77 3.80 82.98 898.62 7940.40 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12259652 14336696 3881880 24.05 2688 2282860 1791232 10.42 208688 3266260 109320 08:05:01 AM 10783080 13093728 5358452 33.20 2688 2512448 2696760 15.69 262708 4674164 9868 08:06:01 AM 10638928 12953860 5502604 34.09 2688 2516592 2728612 15.87 262792 4817752 3116 08:07:01 AM 8814212 11321580 7327320 45.39 2688 2706408 4818716 28.03 333200 6551340 139748 08:08:01 AM 8537360 11292872 7604172 47.11 2688 2946544 4624576 26.90 404972 6728460 980 08:09:01 AM 10623364 13645040 5518168 34.19 2688 3209580 2391616 13.91 461964 4584908 25444 08:10:01 AM 11983228 15003328 4158304 25.76 2688 3206240 1151976 6.70 669436 3019244 23316 Average: 10519975 13092443 5621557 34.83 2688 2768667 2886213 16.79 371966 4806018 44542 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 229.84 186.34 2636.72 36.24 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 262.64 196.43 3415.44 34.90 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 256.52 148.04 85.18 84.63 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 4.43 4.43 0.55 0.55 0.00 0.00 0.00 0.00 08:07:01 AM eth0 197.65 125.16 1917.96 36.77 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.08 0.17 0.00 0.02 0.00 0.00 0.00 0.00 08:07:01 AM vethc6b25b1 0.08 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM lo 13.26 13.26 26.60 26.60 0.00 0.00 0.00 0.00 08:08:01 AM eth0 60.98 30.99 928.98 2.49 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.12 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:08:01 AM vethc6b25b1 0.12 0.20 0.01 0.01 0.00 0.00 0.00 0.00 08:08:01 AM br-be7fc4473636 5.73 5.66 25.61 0.94 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.05 0.05 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM eth0 174.16 131.60 2879.64 12.67 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 80.12 60.27 24.00 251.58 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.54 2.54 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 180.27 125.55 1698.33 65.61 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) 03/21/2026 _x86_64_ (4 CPU) 08:02:20 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 34.78 0.00 2.28 1.20 0.08 61.65 08:04:01 AM 0 52.35 0.00 3.54 0.83 0.08 43.19 08:04:01 AM 1 33.95 0.00 2.06 1.04 0.08 62.88 08:04:01 AM 2 32.93 0.00 2.51 2.49 0.08 61.99 08:04:01 AM 3 19.83 0.00 1.02 0.45 0.08 78.62 08:05:01 AM all 59.39 0.00 1.73 0.41 0.09 38.39 08:05:01 AM 0 64.15 0.00 1.87 0.10 0.08 33.80 08:05:01 AM 1 59.78 0.00 1.86 0.54 0.08 37.74 08:05:01 AM 2 46.07 0.00 2.53 1.00 0.08 50.32 08:05:01 AM 3 67.51 0.00 0.65 0.00 0.10 31.74 08:06:01 AM all 17.19 0.00 1.26 0.06 0.08 81.42 08:06:01 AM 0 25.45 0.00 0.65 0.02 0.07 73.82 08:06:01 AM 1 12.31 0.00 1.84 0.00 0.08 85.77 08:06:01 AM 2 14.00 0.00 1.29 0.22 0.08 84.42 08:06:01 AM 3 16.99 0.00 1.27 0.00 0.07 81.68 08:07:01 AM all 41.15 0.00 1.71 0.08 0.08 57.00 08:07:01 AM 0 29.56 0.00 1.59 0.07 0.08 68.70 08:07:01 AM 1 49.67 0.00 2.19 0.10 0.08 47.96 08:07:01 AM 2 30.63 0.00 1.10 0.05 0.07 68.15 08:07:01 AM 3 54.73 0.00 1.94 0.08 0.07 43.18 08:08:01 AM all 17.28 0.00 2.82 0.64 0.08 79.17 08:08:01 AM 0 17.69 0.00 2.75 0.74 0.08 78.75 08:08:01 AM 1 14.53 0.00 3.40 0.55 0.08 81.42 08:08:01 AM 2 15.21 0.00 2.50 0.62 0.08 81.59 08:08:01 AM 3 21.69 0.00 2.65 0.64 0.08 74.94 08:09:01 AM all 67.62 0.00 1.50 0.65 0.10 30.14 08:09:01 AM 0 73.91 0.00 1.29 0.07 0.10 24.64 08:09:01 AM 1 42.05 0.00 1.57 2.37 0.10 53.90 08:09:01 AM 2 76.88 0.00 2.40 0.12 0.10 20.50 08:09:01 AM 3 77.60 0.00 0.75 0.03 0.08 21.53 08:10:01 AM all 38.96 0.00 1.98 0.52 0.08 58.46 08:10:01 AM 0 39.67 0.00 1.12 0.12 0.08 59.01 08:10:01 AM 1 35.84 0.00 2.94 0.48 0.07 60.67 08:10:01 AM 2 36.04 0.00 2.54 1.41 0.08 59.93 08:10:01 AM 3 44.29 0.00 1.32 0.08 0.07 54.24 Average: all 39.49 0.00 1.90 0.51 0.08 58.02 Average: 0 43.26 0.00 1.83 0.28 0.08 54.55 Average: 1 35.45 0.00 2.26 0.73 0.08 61.48 Average: 2 35.98 0.00 2.12 0.84 0.08 60.97 Average: 3 43.26 0.00 1.37 0.18 0.08 55.11