---> uname -a: Linux prd-centos8-docker-4c-4g-14260.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: 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): 0-3 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 1413 10537 19 3810 14006 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:03:96:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.129/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85986sec preferred_lft 85986sec inet6 fe80::f816:3eff:fe03:96cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:79:a0:53 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/22/2026 _x86_64_ (4 CPU) 00:33:03 LINUX RESTART (4 CPU) 12:34:01 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 145.14 14.70 130.44 3204.80 15500.60 12:36:01 AM 180.59 7.31 173.28 1029.35 38372.35 12:37:01 AM 32.86 0.00 32.86 0.00 7916.26 12:38:01 AM 4.63 0.00 4.63 0.00 382.17 12:39:01 AM 19.94 5.41 14.52 225.85 319.12 Average: 76.63 5.48 71.14 891.88 12498.05 12:34:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 11794876 14909668 4344444 26.92 2688 3319728 1283040 7.46 184108 3757788 1008724 12:36:01 AM 10239964 13717476 5899356 36.55 2688 3674840 2427256 14.12 294540 5168580 226156 12:37:01 AM 8900672 12383948 7238648 44.85 2688 3680348 3480096 20.25 311196 6487212 3896 12:38:01 AM 8785612 12273872 7353708 45.56 2688 3685136 3519744 20.48 311428 6601004 1000 12:39:01 AM 10894924 14440396 5244396 32.49 2688 3740960 1621436 9.43 362632 4444896 49248 Average: 10123210 13545072 6016110 37.28 2688 3620202 2466314 14.35 292781 5291896 257805 12:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 771.59 273.14 17893.87 30.93 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 376.96 287.59 4943.94 39.12 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 69.44 48.75 32.99 47.26 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM eth0 299.78 205.33 79.40 78.91 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 6.61 6.61 0.81 0.81 0.00 0.00 0.00 0.00 12:39:01 AM eth0 198.03 141.44 616.00 62.49 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.32 1.32 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 343.14 191.25 4712.54 51.74 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 08/22/2026 _x86_64_ (4 CPU) 00:33:03 LINUX RESTART (4 CPU) 12:34:01 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 16.46 0.00 1.74 0.88 0.08 80.83 12:35:01 AM 0 8.53 0.00 0.85 0.57 0.07 89.98 12:35:01 AM 1 23.66 0.00 3.51 1.27 0.10 71.45 12:35:01 AM 2 9.53 0.00 1.14 1.27 0.10 87.97 12:35:01 AM 3 24.14 0.00 1.47 0.40 0.07 73.92 12:36:01 AM all 55.26 0.00 2.23 1.24 0.10 41.16 12:36:01 AM 0 56.10 0.00 1.65 0.58 0.10 41.56 12:36:01 AM 1 59.65 0.00 2.66 2.49 0.10 35.10 12:36:01 AM 2 50.04 0.00 1.87 1.15 0.10 46.83 12:36:01 AM 3 55.26 0.00 2.76 0.74 0.12 41.13 12:37:01 AM all 56.02 0.00 1.33 0.21 0.10 42.34 12:37:01 AM 0 43.70 0.00 1.75 0.70 0.12 53.73 12:37:01 AM 1 53.58 0.00 2.01 0.13 0.08 44.20 12:37:01 AM 2 60.97 0.00 0.77 0.00 0.10 38.16 12:37:01 AM 3 65.79 0.00 0.80 0.00 0.10 33.31 12:38:01 AM all 16.88 0.00 1.21 0.01 0.07 81.83 12:38:01 AM 0 9.93 0.00 1.30 0.02 0.07 88.68 12:38:01 AM 1 10.67 0.00 1.12 0.02 0.08 88.11 12:38:01 AM 2 16.52 0.00 1.04 0.02 0.07 82.36 12:38:01 AM 3 30.42 0.00 1.37 0.00 0.07 68.15 12:39:01 AM all 60.92 0.00 1.73 0.10 0.10 37.16 12:39:01 AM 0 64.61 0.00 1.08 0.00 0.10 34.20 12:39:01 AM 1 63.08 0.00 1.94 0.08 0.08 34.81 12:39:01 AM 2 59.46 0.00 1.42 0.02 0.10 39.00 12:39:01 AM 3 56.51 0.00 2.46 0.30 0.10 40.64 Average: all 41.11 0.00 1.65 0.49 0.09 56.67 Average: 0 36.57 0.00 1.33 0.37 0.09 61.63 Average: 1 42.12 0.00 2.25 0.80 0.09 54.74 Average: 2 39.31 0.00 1.25 0.49 0.09 58.86 Average: 3 46.42 0.00 1.77 0.29 0.09 51.43