---> uname -a: Linux prd-centos8-docker-4c-4g-2767.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 1543 11078 19 3140 13872 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:93:2e:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.126/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85932sec preferred_lft 85932sec inet6 fe80::f816:3eff:fe93:2e00/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:65:c1:81:13 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::42:65ff:fec1:8113/64 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) 01/03/2026 _x86_64_ (4 CPU) 00:32:51 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 395.05 181.36 213.70 14604.35 42450.13 12:35:01 AM 232.24 19.68 212.56 3860.31 12870.04 12:36:01 AM 103.62 1.72 101.90 113.31 13219.28 12:37:01 AM 12.56 0.05 12.51 1.07 655.12 12:38:01 AM 11.85 3.20 8.65 584.47 911.86 12:39:01 AM 66.02 0.13 65.89 2.13 15014.40 12:40:01 AM 30.33 2.65 27.69 82.89 2127.77 Average: 121.67 29.83 91.84 2749.92 12464.04 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13248096 15031556 2893436 17.93 2688 1999564 1218156 7.09 183084 2358804 220144 12:35:01 AM 12100292 14249816 4041240 25.04 2688 2354000 1799688 10.47 215032 3413400 161432 12:36:01 AM 10387292 12763208 5754240 35.65 2688 2576476 3115768 18.13 266528 5061156 10316 12:37:01 AM 10199804 12580300 5941728 36.81 2688 2580864 3163144 18.40 266804 5247192 1060 12:38:01 AM 9396060 11864180 6745472 41.79 2688 2666968 4263116 24.80 336320 5966312 45540 12:39:01 AM 8974564 11785328 7166968 44.40 2688 3000700 4309168 25.07 408872 6283024 108 12:40:01 AM 11370340 14225196 4771192 29.56 2688 3044272 1831956 10.66 652660 3655804 1388 Average: 10810921 13214226 5330611 33.02 2688 2603263 2814428 16.37 332757 4569385 62855 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 300.97 187.55 1716.17 65.79 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 271.16 213.73 3105.40 38.59 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 262.94 191.82 3293.12 36.62 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 258.71 187.90 84.01 91.15 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 6.40 6.40 0.79 0.79 0.00 0.00 0.00 0.00 12:38:01 AM eth0 142.40 94.50 986.05 29.39 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 veth0460acd 0.08 0.25 0.01 0.02 0.00 0.00 0.00 0.00 12:39:01 AM lo 13.05 13.05 26.99 26.99 0.00 0.00 0.00 0.00 12:39:01 AM eth0 140.94 78.24 1864.96 6.35 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.12 0.15 0.00 0.01 0.00 0.00 0.00 0.00 12:39:01 AM veth0460acd 0.12 0.22 0.01 0.01 0.00 0.00 0.00 0.00 12:39:01 AM br-acccc21a2cf8 6.05 5.95 25.64 0.96 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.28 0.28 0.01 0.01 0.00 0.00 0.00 0.00 12:40:01 AM eth0 612.31 212.39 748.02 287.76 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.82 2.82 3.97 3.97 0.00 0.00 0.00 0.00 Average: eth0 284.22 166.59 1685.36 79.39 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) 01/03/2026 _x86_64_ (4 CPU) 00:32:51 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 24.67 0.02 4.38 6.06 0.08 64.80 12:34:01 AM 0 22.72 0.00 4.28 3.93 0.08 68.99 12:34:01 AM 1 31.24 0.07 4.24 3.72 0.08 60.66 12:34:01 AM 2 22.30 0.00 3.65 4.87 0.07 69.11 12:34:01 AM 3 22.43 0.00 5.35 11.74 0.07 60.41 12:35:01 AM all 37.58 0.00 2.22 2.25 0.09 57.86 12:35:01 AM 0 54.03 0.00 3.27 2.29 0.10 40.31 12:35:01 AM 1 30.58 0.00 1.55 1.82 0.08 65.97 12:35:01 AM 2 36.36 0.00 2.07 2.28 0.08 59.20 12:35:01 AM 3 29.32 0.00 1.98 2.62 0.10 65.98 12:36:01 AM all 60.24 0.00 1.73 1.10 0.10 36.84 12:36:01 AM 0 65.39 0.00 1.20 0.22 0.10 33.09 12:36:01 AM 1 63.39 0.00 1.79 1.02 0.10 33.70 12:36:01 AM 2 49.20 0.00 2.20 1.41 0.10 47.09 12:36:01 AM 3 62.92 0.00 1.74 1.74 0.10 33.50 12:37:01 AM all 19.18 0.00 1.31 0.09 0.08 79.35 12:37:01 AM 0 19.92 0.00 1.15 0.00 0.08 78.85 12:37:01 AM 1 21.81 0.00 1.15 0.07 0.05 76.92 12:37:01 AM 2 22.67 0.00 1.29 0.00 0.08 75.96 12:37:01 AM 3 12.31 0.00 1.65 0.28 0.08 85.67 12:38:01 AM all 38.11 0.00 1.36 0.48 0.10 59.95 12:38:01 AM 0 59.19 0.00 1.66 0.62 0.10 38.43 12:38:01 AM 1 38.32 0.00 1.41 0.77 0.10 59.40 12:38:01 AM 2 21.55 0.00 1.54 0.25 0.10 76.55 12:38:01 AM 3 33.34 0.00 0.84 0.28 0.08 65.45 12:39:01 AM all 15.77 0.00 2.54 2.38 0.08 79.23 12:39:01 AM 0 14.13 0.00 2.92 2.40 0.10 80.45 12:39:01 AM 1 18.12 0.00 2.36 1.42 0.08 78.01 12:39:01 AM 2 14.79 0.00 2.62 2.34 0.08 80.16 12:39:01 AM 3 16.01 0.00 2.27 3.36 0.07 78.29 12:40:01 AM all 41.44 0.00 1.54 0.43 0.08 56.51 12:40:01 AM 0 46.30 0.00 1.79 0.89 0.07 50.96 12:40:01 AM 1 23.21 0.00 1.76 0.65 0.08 74.30 12:40:01 AM 2 46.80 0.00 1.00 0.02 0.08 52.09 12:40:01 AM 3 49.47 0.00 1.60 0.18 0.07 48.68 Average: all 33.86 0.00 2.15 1.83 0.09 62.07 Average: 0 40.26 0.00 2.33 1.48 0.09 55.85 Average: 1 32.38 0.01 2.04 1.35 0.08 64.13 Average: 2 30.53 0.00 2.05 1.59 0.09 65.73 Average: 3 32.28 0.00 2.20 2.88 0.08 62.56