---> uname -a: Linux prd-centos8-docker-4c-4g-9137.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 1714 10121 19 3927 13699 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:12:2e:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.136/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86078sec preferred_lft 86078sec inet6 fe80::f816:3eff:fe12:2ea4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:43:b7:2d:b6 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::42:43ff:feb7:2db6/64 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) 09:27:43 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 300.65 23.78 276.87 6217.90 9756.14 09:30:01 AM 302.27 5.88 296.38 929.42 33320.86 09:31:01 AM 1067.93 48.73 1019.21 682.06 36137.78 09:32:01 AM 146.50 71.93 74.57 1533.60 4339.67 09:33:01 AM 37.50 0.42 37.09 56.11 2989.47 Average: 371.01 30.15 340.87 1883.66 17310.53 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 13187940 15098256 2953584 18.30 2688 2121268 1115540 6.49 141792 2441664 288124 09:30:01 AM 9863144 12441708 6278380 38.90 2688 2772176 4400216 25.60 294644 5520164 480 09:31:01 AM 10399144 13946040 5742380 35.58 2688 3542684 1911112 11.12 421816 4429076 81668 09:32:01 AM 11061248 14705736 5080276 31.47 2688 3635652 1187872 6.91 453340 3736636 43648 09:33:01 AM 10371008 14029776 5770516 35.75 2688 3647556 1848548 10.75 714140 4169644 24300 Average: 10976497 14044303 5165027 32.00 2688 3143867 2092658 12.17 405146 4059437 87644 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 438.73 238.88 2486.85 76.16 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 09:30:01 AM eth0 480.27 334.67 6468.79 48.78 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 09:30:01 AM veth2e7c932 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 09:30:01 AM veth03bbc8e 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:31:01 AM lo 5.58 5.58 4.54 4.54 0.00 0.00 0.00 0.00 09:31:01 AM eth0 211.71 143.64 1858.57 28.16 0.00 0.00 0.00 0.00 09:31:01 AM docker0 3.13 2.82 4.08 0.42 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 182.58 112.73 314.33 39.13 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 132.44 75.51 122.51 154.28 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.22 1.22 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 289.15 181.09 2250.32 69.30 0.00 0.00 0.00 0.00 Average: docker0 0.65 0.61 0.82 0.09 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) 09:27:43 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 28.69 0.00 3.35 1.20 0.10 66.66 09:29:01 AM 0 24.01 0.00 2.37 1.35 0.10 72.16 09:29:01 AM 1 36.24 0.00 4.06 0.64 0.10 58.97 09:29:01 AM 2 30.57 0.00 3.80 0.96 0.08 64.59 09:29:01 AM 3 23.94 0.00 3.18 1.84 0.10 70.94 09:30:01 AM all 37.15 0.02 3.42 1.94 0.10 57.38 09:30:01 AM 0 32.34 0.00 3.19 1.78 0.10 62.60 09:30:01 AM 1 44.55 0.00 2.83 1.63 0.10 50.89 09:30:01 AM 2 34.15 0.00 3.84 1.91 0.10 59.99 09:30:01 AM 3 37.56 0.07 3.81 2.45 0.08 56.03 09:31:01 AM all 35.51 0.07 10.27 7.20 0.09 46.85 09:31:01 AM 0 37.60 0.08 10.67 6.51 0.08 45.05 09:31:01 AM 1 32.82 0.02 8.90 7.57 0.09 50.61 09:31:01 AM 2 40.16 0.03 11.29 8.05 0.10 40.37 09:31:01 AM 3 31.45 0.15 10.21 6.67 0.10 51.41 09:32:01 AM all 42.57 0.00 2.27 1.21 0.09 53.86 09:32:01 AM 0 31.45 0.00 1.94 1.34 0.10 65.16 09:32:01 AM 1 63.46 0.00 2.95 1.61 0.10 31.88 09:32:01 AM 2 31.97 0.00 1.63 0.50 0.08 65.82 09:32:01 AM 3 43.39 0.00 2.56 1.37 0.08 52.59 09:33:01 AM all 27.82 0.00 1.57 0.15 0.07 70.38 09:33:01 AM 0 41.76 0.00 1.90 0.12 0.08 56.14 09:33:01 AM 1 34.29 0.00 1.75 0.05 0.07 63.84 09:33:01 AM 2 15.27 0.00 2.02 0.38 0.07 82.26 09:33:01 AM 3 19.93 0.00 0.62 0.05 0.07 79.34 Average: all 34.34 0.02 4.16 2.32 0.09 59.07 Average: 0 33.43 0.02 3.99 2.20 0.09 60.27 Average: 1 42.30 0.00 4.08 2.28 0.09 51.25 Average: 2 30.39 0.01 4.50 2.35 0.09 62.67 Average: 3 31.25 0.04 4.06 2.46 0.09 62.10