---> uname -a: Linux prd-centos8-docker-4c-4g-11420.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: 2799.996 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1050 10439 19 4270 14361 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:4d:35:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86062sec preferred_lft 86062sec inet6 fe80::f816:3eff:fe4d:353b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ba:4d:3f:2d 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:fe4d:3f2d/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) 06/13/2026 _x86_64_ (4 CPU) 03:28:29 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 130.76 3.95 126.81 543.95 9802.85 03:31:01 AM 270.26 5.30 264.96 892.86 29266.23 03:32:01 AM 1105.08 73.00 1032.08 1400.67 36730.20 03:33:01 AM 119.20 60.87 58.32 3798.97 3381.94 03:34:01 AM 187.97 5.08 182.89 2256.85 9467.81 Average: 362.70 29.64 333.06 1778.48 17732.70 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 12964268 14960724 3175044 19.67 2688 2204448 1446024 8.41 153764 2634560 248416 03:31:01 AM 9654212 12246484 6485100 40.18 2688 2783628 4489104 26.12 282128 5732176 1368 03:32:01 AM 10340436 13926380 5798876 35.93 2688 3576724 1778876 10.35 403732 4493560 62824 03:33:01 AM 10648544 14467152 5490768 34.02 2688 3805484 1414052 8.23 455968 4135272 111404 03:34:01 AM 10700068 14711672 5439244 33.70 2688 3993732 1182464 6.88 713800 3823520 24324 Average: 10861506 14062482 5277806 32.70 2688 3272803 2062104 12.00 401878 4163818 89667 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 130.14 88.44 1894.80 18.55 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 3.60 3.60 1.63 1.63 0.00 0.00 0.00 0.00 03:31:01 AM eth0 479.58 315.15 5323.74 41.03 0.00 0.00 0.00 0.00 03:31:01 AM docker0 2.16 1.78 1.30 0.31 0.00 0.00 0.00 0.00 03:31:01 AM vethc70042d 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 03:31:01 AM veth4e723bd 2.05 1.68 1.33 0.30 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.85 2.85 2.94 2.94 0.00 0.00 0.00 0.00 03:32:01 AM eth0 199.28 142.31 1859.03 25.05 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.28 1.28 2.79 0.14 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 129.23 97.17 1398.59 9.41 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 94.55 79.12 1736.42 38.84 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 206.59 144.46 2442.80 26.58 0.00 0.00 0.00 0.00 Average: docker0 0.69 0.61 0.82 0.09 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) 06/13/2026 _x86_64_ (4 CPU) 03:28:29 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 22.06 0.00 1.98 0.71 0.08 75.17 03:30:01 AM 0 12.83 0.00 1.03 0.38 0.07 85.68 03:30:01 AM 1 28.15 0.00 2.76 0.65 0.10 68.34 03:30:01 AM 2 36.06 0.00 2.79 1.07 0.08 59.99 03:30:01 AM 3 11.18 0.00 1.32 0.72 0.08 86.70 03:31:01 AM all 40.43 0.09 3.48 1.83 0.11 54.07 03:31:01 AM 0 36.72 0.03 2.92 1.51 0.10 58.72 03:31:01 AM 1 37.21 0.02 4.00 1.95 0.12 56.70 03:31:01 AM 2 44.14 0.13 3.23 1.77 0.12 50.61 03:31:01 AM 3 43.63 0.18 3.76 2.08 0.10 50.24 03:32:01 AM all 31.10 0.00 10.43 7.26 0.11 51.10 03:32:01 AM 0 28.35 0.00 11.94 8.08 0.12 51.51 03:32:01 AM 1 39.90 0.00 11.48 7.79 0.12 40.72 03:32:01 AM 2 21.49 0.00 9.28 6.33 0.10 62.80 03:32:01 AM 3 34.63 0.00 9.00 6.82 0.12 49.42 03:33:01 AM all 45.09 0.00 1.88 0.66 0.12 52.26 03:33:01 AM 0 33.29 0.00 1.74 0.92 0.12 63.93 03:33:01 AM 1 53.89 0.00 2.21 0.96 0.12 42.83 03:33:01 AM 2 33.04 0.00 1.32 0.38 0.12 65.13 03:33:01 AM 3 60.15 0.00 2.24 0.39 0.12 37.10 03:34:01 AM all 35.75 0.00 2.01 0.76 0.09 61.40 03:34:01 AM 0 25.83 0.00 1.40 0.28 0.08 72.40 03:34:01 AM 1 37.66 0.00 1.77 0.87 0.08 59.62 03:34:01 AM 2 47.21 0.00 2.68 1.57 0.10 48.44 03:34:01 AM 3 32.31 0.00 2.17 0.30 0.10 65.11 Average: all 34.89 0.02 3.93 2.23 0.10 58.83 Average: 0 27.39 0.01 3.78 2.22 0.10 66.51 Average: 1 39.35 0.00 4.43 2.43 0.11 53.68 Average: 2 36.43 0.03 3.84 2.21 0.10 57.39 Average: 3 36.38 0.04 3.68 2.05 0.10 57.75