---> uname -a: Linux prd-centos8-docker-4c-4g-5091.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 1490 11121 19 3151 13925 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:ea:ca:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.171/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85960sec preferred_lft 85960sec inet6 fe80::f816:3eff:feea:ca1b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2e:64:09:58 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::42:2eff:fe64:958/64 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) 02/03/2026 _x86_64_ (4 CPU) 12:18:56 LINUX RESTART (4 CPU) 12:20:01 PM tps rtps wtps bread/s bwrtn/s 12:21:01 PM 233.61 19.73 213.88 3964.95 14745.47 12:22:02 PM 99.70 1.72 97.98 102.78 10893.78 12:23:01 PM 1.44 0.00 1.44 0.00 219.27 12:24:01 PM 62.38 3.22 59.16 562.75 15125.49 12:25:01 PM 41.94 0.10 41.84 1.33 1375.67 12:26:01 PM 30.67 3.13 27.54 156.08 2347.47 Average: 78.50 4.66 73.84 800.20 7471.10 12:20:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:21:01 PM 12254856 14416704 3886676 24.08 2688 2366084 1717088 9.99 223680 3255244 86760 12:22:02 PM 10421744 12809840 5719788 35.44 2688 2588584 3127028 18.19 269236 5022992 3148 12:23:01 PM 10325244 12716932 5816288 36.03 2688 2592060 3158988 18.38 269284 5118688 800 12:24:01 PM 7574700 10438660 8566832 53.07 2688 3053416 7574596 44.06 382732 7693680 24 12:25:01 PM 10718428 13565004 5423104 33.60 2688 3036072 2853640 16.60 415080 4537644 25100 12:26:01 PM 11444760 14316772 4696772 29.10 2688 3060940 1832848 10.66 661764 3572204 23684 Average: 10456622 13043985 5684910 35.22 2688 2782859 3377365 19.65 370296 4866742 23253 12:20:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 PM eth0 285.85 225.97 3180.05 39.86 0.00 0.00 0.00 0.00 12:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:02 PM eth0 285.47 203.85 3341.03 45.51 0.00 0.00 0.00 0.00 12:22:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:23:01 PM eth0 342.26 214.52 105.54 100.41 0.00 0.00 0.00 0.00 12:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:24:01 PM lo 4.22 4.22 0.53 0.53 0.00 0.00 0.00 0.00 12:24:01 PM eth0 246.37 152.72 2836.10 22.22 0.00 0.00 0.00 0.00 12:24:01 PM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 12:24:01 PM veth3a5fafe 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 12:24:01 PM br-0c5a990c8244 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:24:01 PM veth8dafce1 0.00 0.20 0.00 0.02 0.00 0.00 0.00 0.00 12:24:01 PM veth3e70865 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:24:01 PM veth0b2ead4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:25:01 PM lo 12.84 12.84 26.72 26.72 0.00 0.00 0.00 0.00 12:25:01 PM eth0 27.96 26.83 253.69 5.38 0.00 0.00 0.00 0.00 12:25:01 PM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:25:01 PM veth3a5fafe 0.12 0.18 0.01 0.01 0.00 0.00 0.00 0.00 12:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:26:01 PM eth0 245.25 145.33 385.61 213.30 0.00 0.00 0.00 0.00 12:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.85 2.85 4.56 4.56 0.00 0.00 0.00 0.00 Average: eth0 238.56 161.38 1687.98 71.03 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 02/03/2026 _x86_64_ (4 CPU) 12:18:56 LINUX RESTART (4 CPU) 12:20:01 PM CPU %user %nice %system %iowait %steal %idle 12:21:01 PM all 37.92 0.00 2.19 1.61 0.09 58.18 12:21:01 PM 0 29.10 0.00 2.41 2.19 0.08 66.21 12:21:01 PM 1 57.19 0.00 2.64 1.45 0.10 38.62 12:21:01 PM 2 35.82 0.00 1.94 1.81 0.10 60.33 12:21:01 PM 3 29.57 0.00 1.77 1.00 0.08 67.57 12:22:02 PM all 62.83 0.00 1.87 0.53 0.10 34.66 12:22:02 PM 0 67.43 0.00 1.08 0.13 0.10 31.25 12:22:02 PM 1 57.21 0.00 1.84 0.23 0.12 40.60 12:22:02 PM 2 70.79 0.00 2.39 0.33 0.10 26.39 12:22:02 PM 3 55.89 0.00 2.16 1.44 0.10 40.42 12:23:01 PM all 14.96 0.00 1.30 0.00 0.06 83.67 12:23:01 PM 0 15.22 0.00 1.34 0.02 0.07 83.35 12:23:01 PM 1 16.25 0.00 1.26 0.00 0.07 82.42 12:23:01 PM 2 15.52 0.00 1.28 0.00 0.07 83.13 12:23:01 PM 3 12.84 0.00 1.34 0.00 0.05 85.77 12:24:01 PM all 43.49 0.00 2.79 0.50 0.10 53.12 12:24:01 PM 0 72.80 0.00 3.29 0.37 0.10 23.45 12:24:01 PM 1 38.15 0.00 2.65 0.32 0.10 58.78 12:24:01 PM 2 30.86 0.00 2.43 0.17 0.10 66.44 12:24:01 PM 3 32.13 0.00 2.80 1.14 0.10 63.83 12:25:01 PM all 20.23 0.00 1.31 0.13 0.07 78.27 12:25:01 PM 0 19.79 0.00 1.17 0.08 0.07 78.89 12:25:01 PM 1 20.24 0.00 1.07 0.13 0.07 78.49 12:25:01 PM 2 21.45 0.00 1.64 0.22 0.07 76.62 12:25:01 PM 3 19.45 0.00 1.34 0.07 0.07 79.08 12:26:01 PM all 34.47 0.00 1.61 0.12 0.08 63.72 12:26:01 PM 0 51.78 0.00 2.15 0.12 0.10 45.85 12:26:01 PM 1 41.22 0.00 1.70 0.05 0.07 56.96 12:26:01 PM 2 27.04 0.00 1.10 0.02 0.08 71.76 12:26:01 PM 3 17.76 0.00 1.49 0.28 0.07 80.40 Average: all 35.71 0.00 1.85 0.48 0.08 61.88 Average: 0 42.75 0.00 1.91 0.49 0.09 54.77 Average: 1 38.44 0.00 1.86 0.37 0.09 59.25 Average: 2 33.64 0.00 1.80 0.43 0.09 64.05 Average: 3 27.98 0.00 1.82 0.66 0.08 69.47