---> uname -a: Linux prd-centos8-docker-8c-8g-4565.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1048 27082 19 3756 30377 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:83:6a:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.85/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe83:6a93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0c:11:4e:58 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:cff:fe11:4e58/64 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) 05/28/2026 _x86_64_ (8 CPU) 17:11:23 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 166.72 14.63 152.09 3223.86 10474.00 05:14:01 PM 492.52 4.80 487.72 1165.61 17424.89 05:15:01 PM 262.71 2.48 260.23 404.13 44653.07 Average: 307.33 7.30 300.02 1597.78 24184.75 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28987316 30982900 3666056 11.23 2688 2311272 1844020 5.47 160620 3036576 225928 05:14:01 PM 27795252 30258176 4858120 14.88 2688 2768188 2151052 6.38 287736 4055464 263760 05:15:01 PM 27705060 31074428 4948312 15.15 2688 3663892 1583256 4.70 642992 3752728 166124 Average: 28162543 30771835 4490829 13.75 2688 2914451 1859443 5.52 363783 3614923 218604 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 160.71 128.26 1986.48 39.37 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 538.82 458.23 6647.53 61.99 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 544.94 464.58 6045.78 1277.78 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.21 13.53 0.48 257.09 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 414.83 350.37 4893.42 459.73 0.00 0.00 0.00 0.00 Average: docker0 2.07 4.51 0.16 85.70 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) 05/28/2026 _x86_64_ (8 CPU) 17:11:23 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 10.94 0.00 1.09 0.40 0.05 87.52 05:13:01 PM 0 4.95 0.00 0.90 0.75 0.08 93.31 05:13:01 PM 1 22.39 0.00 2.17 0.35 0.07 75.02 05:13:01 PM 2 27.69 0.00 2.31 0.84 0.07 69.10 05:13:01 PM 3 9.85 0.00 0.57 0.23 0.03 89.31 05:13:01 PM 4 5.16 0.00 0.67 0.15 0.02 94.01 05:13:01 PM 5 4.74 0.00 0.78 0.23 0.05 94.19 05:13:01 PM 6 6.31 0.00 0.53 0.10 0.03 93.02 05:13:01 PM 7 6.43 0.00 0.80 0.54 0.07 92.16 05:14:01 PM all 29.22 0.00 1.82 1.18 0.11 67.66 05:14:01 PM 0 22.82 0.00 1.46 0.42 0.08 75.22 05:14:01 PM 1 19.11 0.00 1.31 0.59 0.08 78.91 05:14:01 PM 2 39.95 0.00 1.72 0.64 0.12 57.57 05:14:01 PM 3 37.85 0.00 2.04 1.16 0.13 58.82 05:14:01 PM 4 33.84 0.00 1.24 0.49 0.12 64.33 05:14:01 PM 5 21.43 0.00 2.23 1.69 0.10 74.55 05:14:01 PM 6 26.44 0.00 2.37 3.02 0.13 68.04 05:14:01 PM 7 32.26 0.00 2.23 1.47 0.13 63.90 05:15:01 PM all 18.83 0.00 2.49 0.90 0.09 77.70 05:15:01 PM 0 9.86 0.00 1.60 0.22 0.08 88.25 05:15:01 PM 1 27.29 0.00 3.51 1.48 0.10 67.63 05:15:01 PM 2 26.51 0.00 3.19 1.26 0.10 68.94 05:15:01 PM 3 13.96 0.00 2.43 0.29 0.08 83.24 05:15:01 PM 4 21.07 0.00 2.27 0.76 0.08 75.82 05:15:01 PM 5 20.21 0.00 2.18 1.27 0.08 76.25 05:15:01 PM 6 21.50 0.00 2.51 1.58 0.10 74.31 05:15:01 PM 7 10.22 0.00 2.20 0.35 0.07 87.16 Average: all 19.65 0.00 1.80 0.83 0.08 77.63 Average: 0 12.54 0.00 1.32 0.46 0.08 85.60 Average: 1 22.93 0.00 2.33 0.80 0.08 73.86 Average: 2 31.39 0.00 2.41 0.91 0.09 65.20 Average: 3 20.55 0.00 1.68 0.56 0.08 77.13 Average: 4 20.01 0.00 1.39 0.46 0.07 78.07 Average: 5 15.45 0.00 1.73 1.07 0.08 81.68 Average: 6 18.06 0.00 1.80 1.57 0.09 78.49 Average: 7 16.31 0.00 1.74 0.79 0.09 81.07