---> uname -a: Linux prd-centos8-docker-4c-4g-9125.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: 2799.996 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 855 11508 19 3398 14558 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:65:3d:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.131/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85882sec preferred_lft 85882sec inet6 fe80::f816:3eff:fe65:3d30/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:20:65:90:9b 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::42:20ff:fe65:909b/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) 05/09/2026 _x86_64_ (4 CPU) 08:02:21 LINUX RESTART (4 CPU) 08:03:03 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 232.10 20.10 212.00 4110.90 11438.26 08:05:01 AM 117.08 2.70 114.39 260.14 10957.16 08:06:01 AM 25.40 0.00 25.40 0.00 6349.74 08:07:01 AM 15.13 2.73 12.40 136.38 359.71 08:08:01 AM 85.72 0.70 85.02 497.83 18660.40 08:09:01 AM 20.16 1.22 18.94 1590.40 7193.64 08:10:01 AM 139.29 0.07 139.22 9.73 3681.47 08:11:01 AM 30.38 2.80 27.59 134.07 1463.35 Average: 82.55 3.72 78.83 829.09 7497.29 08:03:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12416720 14561548 3724804 23.08 2688 2350876 1576104 9.17 179124 3147332 247980 08:05:01 AM 11070148 13454228 5071376 31.42 2688 2585812 2502348 14.56 263648 4385916 182948 08:06:01 AM 10787072 13175472 5354452 33.17 2688 2589960 2624404 15.27 263768 4667972 2592 08:07:01 AM 9018700 11429220 7122824 44.13 2688 2611236 4421408 25.72 275408 6415308 4716 08:08:01 AM 8438632 11269796 7702892 47.72 2688 3022028 4813860 28.00 405932 6821848 108 08:09:01 AM 10671432 13776096 5470092 33.89 2688 3293348 2261592 13.16 464876 4536628 22040 08:10:01 AM 11789896 14903024 4351628 26.96 2688 3299224 1237364 7.20 667292 3213116 7548 08:11:01 AM 11783204 14907152 4358320 27.00 2688 3310148 1233304 7.17 680796 3205568 0 Average: 10746976 13434567 5394548 33.42 2688 2882829 2583798 15.03 400106 4549211 58492 08:03:03 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 266.40 215.71 3157.33 39.92 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 212.09 169.85 3421.22 29.45 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 263.37 169.81 82.04 84.34 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 4.02 4.02 0.52 0.52 0.00 0.00 0.00 0.00 08:07:01 AM eth0 94.77 65.47 30.09 42.86 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 12.98 12.98 26.81 26.81 0.00 0.00 0.00 0.00 08:08:01 AM eth0 196.78 111.03 2829.22 9.40 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethbd691a4 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-47f96a6da677 5.61 5.63 25.61 0.94 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.73 0.73 0.05 0.05 0.00 0.00 0.00 0.00 08:09:01 AM eth0 135.00 98.22 3135.43 10.11 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.05 0.07 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 74.08 46.77 12.52 242.15 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 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 16.36 15.08 12.87 9.52 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 Average: lo 2.22 2.22 3.44 3.44 0.00 0.00 0.00 0.00 Average: eth0 156.91 111.07 1578.90 58.54 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.04 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) 05/09/2026 _x86_64_ (4 CPU) 08:02:21 LINUX RESTART (4 CPU) 08:03:03 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 29.29 0.00 2.47 1.44 0.13 66.68 08:04:01 AM 0 27.38 0.00 2.23 1.45 0.12 68.82 08:04:01 AM 1 30.33 0.00 3.46 2.04 0.14 64.03 08:04:01 AM 2 33.67 0.00 2.70 1.76 0.16 61.72 08:04:01 AM 3 25.77 0.00 1.49 0.50 0.09 72.15 08:05:01 AM all 61.75 0.00 1.83 0.53 0.13 35.76 08:05:01 AM 0 65.67 0.00 1.90 0.53 0.13 31.76 08:05:01 AM 1 49.19 0.00 2.32 0.88 0.13 47.47 08:05:01 AM 2 70.68 0.00 1.67 0.53 0.13 26.98 08:05:01 AM 3 61.46 0.00 1.42 0.17 0.12 36.84 08:06:01 AM all 19.03 0.00 1.19 0.18 0.08 79.52 08:06:01 AM 0 20.62 0.00 1.03 0.00 0.08 78.26 08:06:01 AM 1 14.34 0.00 1.49 0.55 0.07 83.55 08:06:01 AM 2 19.50 0.00 1.19 0.03 0.08 79.20 08:06:01 AM 3 21.65 0.00 1.07 0.13 0.07 77.08 08:07:01 AM all 39.56 0.00 1.50 0.05 0.10 58.79 08:07:01 AM 0 30.05 0.00 1.39 0.02 0.10 68.45 08:07:01 AM 1 43.17 0.00 1.52 0.08 0.10 55.13 08:07:01 AM 2 31.35 0.00 1.05 0.02 0.08 67.50 08:07:01 AM 3 53.67 0.00 2.05 0.07 0.10 44.11 08:08:01 AM all 20.04 0.00 3.21 0.84 0.08 75.84 08:08:01 AM 0 19.56 0.00 2.40 0.66 0.07 77.32 08:08:01 AM 1 23.32 0.00 4.81 0.61 0.08 71.18 08:08:01 AM 2 19.37 0.00 2.94 1.29 0.08 76.31 08:08:01 AM 3 17.92 0.00 2.67 0.81 0.07 78.54 08:09:01 AM all 59.10 0.00 1.39 0.16 0.10 39.26 08:09:01 AM 0 61.61 0.00 1.34 0.15 0.10 36.80 08:09:01 AM 1 63.41 0.00 1.12 0.15 0.10 35.22 08:09:01 AM 2 49.37 0.00 1.21 0.30 0.10 49.02 08:09:01 AM 3 61.97 0.00 1.89 0.03 0.10 36.01 08:10:01 AM all 46.04 0.00 1.52 2.51 0.10 49.82 08:10:01 AM 0 49.73 0.00 0.48 0.08 0.10 49.60 08:10:01 AM 1 50.79 0.00 0.55 0.07 0.10 48.49 08:10:01 AM 2 29.72 0.00 2.37 4.74 0.08 63.08 08:10:01 AM 3 53.96 0.00 2.68 5.17 0.12 38.07 08:11:01 AM all 11.54 0.00 1.17 3.64 0.06 83.60 08:11:01 AM 0 2.26 0.00 0.72 1.77 0.05 95.20 08:11:01 AM 1 14.71 0.00 1.42 5.04 0.05 78.78 08:11:01 AM 2 15.39 0.00 1.17 3.01 0.07 80.37 08:11:01 AM 3 13.81 0.00 1.37 4.73 0.07 80.03 Average: all 35.84 0.00 1.78 1.17 0.09 61.12 Average: 0 34.66 0.00 1.43 0.58 0.09 63.23 Average: 1 36.21 0.00 2.08 1.17 0.10 60.44 Average: 2 33.64 0.00 1.78 1.46 0.10 63.02 Average: 3 38.84 0.00 1.83 1.45 0.09 57.79