---> uname -a: Linux prd-centos8-docker-4c-4g-194.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 836 11637 19 3289 14577 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:0c:ba:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.191/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85925sec preferred_lft 85925sec inet6 fe80::f816:3eff:fe0c:ba79/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ba:86:c0:15 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:baff:fe86:c015/64 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) 03/07/2026 _x86_64_ (4 CPU) 08:02:45 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 342.10 21.69 320.41 5437.95 10630.28 08:05:01 AM 250.39 21.27 229.12 4063.17 13298.12 08:06:01 AM 34.43 0.05 34.38 1.07 7829.55 08:07:01 AM 5.63 1.03 4.60 85.30 382.31 08:08:01 AM 85.51 2.33 83.18 469.90 15234.85 08:09:01 AM 20.26 1.28 18.97 1688.22 1610.89 08:10:01 AM 151.43 0.02 151.42 0.13 8266.26 Average: 127.11 6.81 120.30 1678.12 8179.09 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 13297704 15138164 2843828 17.62 2688 2050860 1075560 6.26 145600 2328184 217312 08:05:01 AM 11825136 14131640 4316396 26.74 2688 2508756 1791804 10.42 246892 3652892 220208 08:06:01 AM 10702176 13013776 5439356 33.70 2688 2513260 2749116 15.99 262264 4754180 1116 08:07:01 AM 9748400 12070408 6393132 39.61 2688 2523276 3674644 21.38 271220 5693492 116 08:08:01 AM 7258660 10071920 8882872 55.03 2688 3003608 12376996 72.00 383112 7991216 25084 08:09:01 AM 11605644 14572272 4535888 28.10 2688 3157304 1506192 8.76 449692 3626896 160660 08:10:01 AM 10591832 13645592 5549700 34.38 2688 3237292 2293248 13.34 477168 4593004 37936 Average: 10718507 13234825 5423025 33.60 2688 2713479 3638223 21.16 319421 4662838 94633 08:03:01 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 375.53 212.84 1985.15 68.55 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 391.65 320.26 5126.07 50.02 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 133.38 83.00 48.78 56.24 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 1.38 1.38 0.20 0.20 0.00 0.00 0.00 0.00 08:07:01 AM eth0 178.19 110.35 66.26 68.29 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 13.76 13.76 26.79 26.79 0.00 0.00 0.00 0.00 08:08:01 AM eth0 183.44 114.36 2829.56 19.35 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth35dd6d6 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-6aa8924f07a7 5.36 5.36 25.58 0.91 0.00 0.00 0.00 0.00 08:08:01 AM vetheae8b6e 6.35 5.40 25.70 0.89 0.00 0.00 0.00 0.00 08:08:01 AM veth3d368b2 10.51 11.76 26.52 26.61 0.00 0.00 0.00 0.00 08:09:01 AM lo 2.35 2.35 0.14 0.14 0.00 0.00 0.00 0.00 08:09:01 AM eth0 203.36 124.44 2745.13 12.21 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.08 0.10 0.00 0.01 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 22.38 26.37 3.25 54.02 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 Average: lo 2.50 2.50 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 212.57 141.67 1829.34 46.95 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 03/07/2026 _x86_64_ (4 CPU) 08:02:45 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 28.72 0.00 3.36 1.28 0.08 66.56 08:04:01 AM 0 37.78 0.00 2.94 0.53 0.10 58.64 08:04:01 AM 1 14.20 0.00 2.38 1.41 0.08 81.93 08:04:01 AM 2 40.98 0.00 5.31 2.83 0.07 50.82 08:04:01 AM 3 21.90 0.00 2.81 0.35 0.08 74.85 08:05:01 AM all 55.75 0.00 2.52 1.33 0.10 40.31 08:05:01 AM 0 52.11 0.00 2.69 1.65 0.08 43.46 08:05:01 AM 1 59.56 0.00 3.13 1.55 0.10 35.66 08:05:01 AM 2 54.97 0.00 2.21 1.24 0.12 41.46 08:05:01 AM 3 56.36 0.00 2.04 0.89 0.08 40.64 08:06:01 AM all 38.32 0.00 1.28 0.22 0.08 60.10 08:06:01 AM 0 27.63 0.00 1.57 0.52 0.08 70.19 08:06:01 AM 1 38.04 0.00 1.72 0.00 0.08 60.15 08:06:01 AM 2 44.20 0.00 0.72 0.00 0.08 55.00 08:06:01 AM 3 43.39 0.00 1.10 0.37 0.07 55.07 08:07:01 AM all 30.11 0.00 1.38 0.02 0.08 68.41 08:07:01 AM 0 26.70 0.00 1.35 0.00 0.08 71.86 08:07:01 AM 1 40.28 0.00 1.94 0.05 0.10 57.63 08:07:01 AM 2 27.10 0.00 0.97 0.00 0.07 71.86 08:07:01 AM 3 26.35 0.00 1.25 0.03 0.07 72.30 08:08:01 AM all 38.30 0.00 3.29 0.62 0.10 57.70 08:08:01 AM 0 28.01 0.00 2.77 0.35 0.10 68.77 08:08:01 AM 1 34.30 0.00 3.36 0.60 0.08 61.66 08:08:01 AM 2 55.67 0.00 3.44 0.62 0.10 40.16 08:08:01 AM 3 35.21 0.00 3.58 0.89 0.10 60.22 08:09:01 AM all 26.78 0.00 1.26 0.09 0.07 71.80 08:09:01 AM 0 28.30 0.00 1.07 0.03 0.07 70.53 08:09:01 AM 1 26.32 0.00 1.66 0.07 0.08 71.87 08:09:01 AM 2 22.91 0.00 1.07 0.05 0.08 75.88 08:09:01 AM 3 29.58 0.00 1.24 0.20 0.05 68.93 08:10:01 AM all 73.42 0.00 1.48 0.47 0.11 24.52 08:10:01 AM 0 86.69 0.00 0.27 0.00 0.10 12.95 08:10:01 AM 1 45.55 0.00 1.42 0.32 0.12 52.60 08:10:01 AM 2 74.77 0.00 1.32 1.30 0.10 22.51 08:10:01 AM 3 86.71 0.00 2.92 0.25 0.12 10.00 Average: all 41.64 0.00 2.08 0.57 0.09 55.62 Average: 0 41.05 0.00 1.81 0.44 0.09 56.62 Average: 1 36.90 0.00 2.23 0.57 0.09 60.21 Average: 2 45.80 0.00 2.15 0.86 0.09 51.11 Average: 3 42.80 0.00 2.13 0.43 0.08 54.56