---> uname -a: Linux prd-centos8-docker-4c-4g-16784.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: 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1710 10192 19 3860 13703 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:ba:d7:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.57/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86087sec preferred_lft 86087sec inet6 fe80::f816:3eff:feba:d7c3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:25:b5:a8:e6 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::42:25ff:feb5:a8e6/64 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) 02/14/2026 _x86_64_ (4 CPU) 09:27:22 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 235.35 4.38 230.97 280.57 11369.91 09:30:01 AM 263.56 2.47 261.10 789.87 38752.82 09:31:01 AM 989.50 95.10 894.40 1697.85 25706.32 09:32:01 AM 68.64 25.22 43.42 490.10 3125.22 Average: 389.24 31.79 357.45 814.56 19738.32 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12503568 14535924 3637964 22.54 2688 2237492 1631932 9.49 166640 3066988 249140 09:30:01 AM 11083732 14077684 5057800 31.33 2688 3140884 1880320 10.94 374448 4126328 90188 09:31:01 AM 9699380 13213116 6442152 39.91 2688 3506876 1954972 11.37 423800 5121928 8 09:32:01 AM 10481392 14063636 5660140 35.07 2688 3571832 1813596 10.55 699012 4083484 7508 Average: 10942018 13972590 5199514 32.21 2688 3114271 1820205 10.59 415975 4099682 86711 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 282.29 228.96 3890.96 41.74 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 6.06 6.06 4.49 4.49 0.00 0.00 0.00 0.00 09:30:01 AM eth0 434.37 274.09 4760.04 39.21 0.00 0.00 0.00 0.00 09:30:01 AM docker0 3.25 3.13 4.08 0.45 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 67.69 40.84 747.99 7.03 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 229.19 142.27 410.33 184.03 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.52 1.52 1.12 1.12 0.00 0.00 0.00 0.00 Average: eth0 253.39 171.55 2452.40 68.01 0.00 0.00 0.00 0.00 Average: docker0 0.81 0.78 1.02 0.11 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) 02/14/2026 _x86_64_ (4 CPU) 09:27:22 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 25.24 0.00 2.40 1.72 0.10 70.53 09:29:01 AM 0 46.27 0.00 4.58 1.74 0.10 47.31 09:29:01 AM 1 23.09 0.00 1.67 0.97 0.12 74.15 09:29:01 AM 2 15.17 0.00 2.01 3.14 0.10 79.58 09:29:01 AM 3 16.41 0.00 1.34 1.04 0.10 81.12 09:30:01 AM all 48.89 0.08 5.63 2.01 0.10 43.28 09:30:01 AM 0 52.06 0.12 5.82 0.86 0.12 41.02 09:30:01 AM 1 42.69 0.08 4.96 2.18 0.10 49.99 09:30:01 AM 2 47.02 0.10 5.00 2.12 0.08 45.67 09:30:01 AM 3 53.79 0.03 6.73 2.89 0.10 36.45 09:31:01 AM all 31.42 0.00 7.54 6.85 0.11 54.08 09:31:01 AM 0 47.97 0.00 7.86 5.43 0.10 38.64 09:31:01 AM 1 17.85 0.00 7.27 7.02 0.14 67.73 09:31:01 AM 2 31.08 0.00 8.08 9.98 0.10 50.76 09:31:01 AM 3 28.73 0.00 6.94 4.98 0.10 59.25 09:32:01 AM all 39.29 0.00 2.23 0.46 0.07 57.95 09:32:01 AM 0 43.85 0.00 2.49 0.10 0.07 53.49 09:32:01 AM 1 52.17 0.00 2.22 0.47 0.07 45.08 09:32:01 AM 2 26.28 0.00 2.09 0.92 0.08 70.62 09:32:01 AM 3 34.86 0.00 2.11 0.35 0.07 62.61 Average: all 36.20 0.02 4.44 2.75 0.10 56.49 Average: 0 47.53 0.03 5.18 2.03 0.10 45.14 Average: 1 33.98 0.02 4.02 2.64 0.11 59.23 Average: 2 29.85 0.03 4.28 4.03 0.09 61.72 Average: 3 33.44 0.01 4.27 2.31 0.09 59.89