---> uname -a: Linux prd-centos8-docker-4c-4g-9482.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 15761 819 11732 19 3209 14592 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:43:91:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.204/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86001sec preferred_lft 86001sec inet6 fe80::f816:3eff:fe43:9129/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bd:bd:56:b5 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:bdff:febd:56b5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/13/2026 _x86_64_ (4 CPU) 05:23:05 LINUX RESTART (4 CPU) 05:24:01 AM tps rtps wtps bread/s bwrtn/s 05:25:01 AM 220.40 20.13 200.27 4127.58 13728.36 05:26:01 AM 120.58 1.73 118.85 103.32 15056.87 05:27:01 AM 10.25 0.05 10.20 1.07 416.91 05:28:01 AM 46.25 3.37 42.89 560.21 13471.36 05:29:01 AM 49.59 0.10 49.49 1.47 5374.38 Average: 89.41 5.08 84.33 958.65 9609.42 05:24:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:25:01 AM 12044524 14282656 4094796 25.37 2688 2441104 1893312 11.02 209160 3466544 195496 05:26:01 AM 10250640 12724228 5888680 36.49 2688 2672552 3375124 19.64 263056 5189600 3516 05:27:01 AM 9959448 12437632 6179872 38.29 2688 2676956 3515496 20.45 263112 5480840 1848 05:28:01 AM 7133756 10034328 9005564 55.80 2688 3089020 6363748 37.02 344044 8172448 72 05:29:01 AM 10367172 13285512 5772148 35.76 2688 3106508 3569352 20.77 398744 4893184 5336 Average: 9951108 12552871 6188212 38.34 2688 2797228 3743406 21.78 295623 5440523 41254 05:24:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM eth0 222.00 180.74 2534.05 33.41 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM eth0 249.31 183.52 3417.15 35.76 0.00 0.00 0.00 0.00 05:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM eth0 14.96 14.26 3.05 23.61 0.00 0.00 0.00 0.00 05:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 AM lo 3.75 3.75 0.49 0.49 0.00 0.00 0.00 0.00 05:28:01 AM eth0 139.67 90.65 2711.20 17.53 0.00 0.00 0.00 0.00 05:28:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 05:28:01 AM veth7cc5938 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 05:28:01 AM br-5b61288a3b21 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 AM veth7fe5267 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 05:29:01 AM lo 12.59 12.59 26.59 26.59 0.00 0.00 0.00 0.00 05:29:01 AM eth0 10.58 9.40 118.22 1.85 0.00 0.00 0.00 0.00 05:29:01 AM docker0 0.18 0.20 0.01 0.01 0.00 0.00 0.00 0.00 05:29:01 AM veth7cc5938 0.18 0.25 0.01 0.02 0.00 0.00 0.00 0.00 05:29:01 AM br-5b61288a3b21 5.55 5.50 25.60 0.93 0.00 0.00 0.00 0.00 Average: lo 3.27 3.27 5.42 5.42 0.00 0.00 0.00 0.00 Average: eth0 127.30 95.71 1756.66 22.43 0.00 0.00 0.00 0.00 Average: docker0 0.06 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth7cc5938 0.06 0.11 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-5b61288a3b21 1.11 1.11 5.12 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/13/2026 _x86_64_ (4 CPU) 05:23:05 LINUX RESTART (4 CPU) 05:24:01 AM CPU %user %nice %system %iowait %steal %idle 05:25:01 AM all 33.35 0.00 2.94 0.94 0.08 62.69 05:25:01 AM 0 30.79 0.00 2.32 0.60 0.08 66.21 05:25:01 AM 1 26.91 0.00 2.77 1.17 0.08 69.06 05:25:01 AM 2 37.83 0.00 4.03 1.34 0.08 56.71 05:25:01 AM 3 37.87 0.00 2.64 0.65 0.08 58.75 05:26:01 AM all 60.79 0.00 1.95 0.61 0.11 36.54 05:26:01 AM 0 63.74 0.00 2.42 0.52 0.08 33.23 05:26:01 AM 1 67.73 0.00 1.43 0.40 0.12 30.32 05:26:01 AM 2 53.44 0.00 2.14 0.94 0.10 43.39 05:26:01 AM 3 58.23 0.00 1.80 0.58 0.13 39.25 05:27:01 AM all 14.05 0.00 0.29 0.03 0.08 85.56 05:27:01 AM 0 15.57 0.00 0.23 0.05 0.08 84.07 05:27:01 AM 1 18.33 0.00 0.35 0.02 0.05 81.25 05:27:01 AM 2 10.84 0.00 0.33 0.05 0.08 88.69 05:27:01 AM 3 11.44 0.00 0.23 0.00 0.08 88.24 05:28:01 AM all 42.63 0.00 2.23 0.64 0.08 54.42 05:28:01 AM 0 32.45 0.00 1.91 0.92 0.08 64.64 05:28:01 AM 1 79.37 0.00 2.95 0.70 0.08 16.89 05:28:01 AM 2 23.74 0.00 2.04 0.03 0.08 74.10 05:28:01 AM 3 34.95 0.00 2.03 0.89 0.07 62.07 05:29:01 AM all 18.76 0.00 1.88 0.20 0.08 79.09 05:29:01 AM 0 20.19 0.00 3.01 0.10 0.08 76.62 05:29:01 AM 1 17.00 0.00 2.01 0.10 0.08 80.81 05:29:01 AM 2 18.16 0.00 1.14 0.39 0.07 80.24 05:29:01 AM 3 19.67 0.00 1.36 0.22 0.08 78.67 Average: all 33.92 0.00 1.86 0.48 0.09 63.66 Average: 0 32.55 0.00 1.98 0.44 0.08 64.95 Average: 1 41.87 0.00 1.90 0.48 0.08 55.67 Average: 2 28.80 0.00 1.94 0.55 0.08 68.63 Average: 3 32.44 0.00 1.61 0.47 0.09 65.39