---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5545 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 602 10081 4 5305 15044 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:2c:05:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84702sec preferred_lft 84702sec inet6 fe80::f816:3eff:fe2c:53d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:7f:8a:cc:3e:67 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5545) 01/29/26 _x86_64_ (4 CPU) 00:37:07 LINUX RESTART (4 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:12 42.51 1.59 36.15 4.77 304.80 3535.84 99616.82 01:00:01 17.86 0.21 15.67 1.98 6.35 1694.01 14186.51 Average: 30.42 0.91 26.10 3.40 158.39 2632.29 57707.05 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:12 10195832 13501208 2458944 15.02 144880 3300708 2777952 15.95 711924 5101892 148 01:00:01 9880272 13574524 2382496 14.55 161268 3644672 2564336 14.72 833492 5232728 20092 Average: 10038052 13537866 2420720 14.78 153074 3472690 2671144 15.33 772708 5167310 10120 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:12 lo 25.07 25.07 5.79 5.79 0.00 0.00 0.00 0.00 00:50:12 ens3 34.98 24.82 147.01 6.57 0.00 0.00 0.00 0.00 00:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 lo 1159.62 1159.62 1074.67 1074.67 0.00 0.00 0.00 0.00 01:00:01 ens3 42.66 29.65 282.95 7.03 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 581.65 581.65 530.15 530.15 0.00 0.00 0.00 0.00 Average: ens3 38.75 27.19 213.70 6.79 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5545) 01/29/26 _x86_64_ (4 CPU) 00:37:07 LINUX RESTART (4 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:12 all 35.26 0.00 1.29 0.31 0.09 63.04 00:50:12 0 34.67 0.00 1.07 0.13 0.10 64.02 00:50:12 1 36.64 0.00 1.66 0.42 0.09 61.19 00:50:12 2 34.23 0.00 1.28 0.10 0.09 64.30 00:50:12 3 35.49 0.00 1.17 0.60 0.09 62.65 01:00:01 all 28.45 0.00 1.50 0.05 0.08 69.93 01:00:01 0 28.31 0.00 1.29 0.05 0.08 70.27 01:00:01 1 29.71 0.00 1.77 0.05 0.08 68.38 01:00:01 2 27.15 0.00 1.42 0.04 0.08 71.30 01:00:01 3 28.61 0.00 1.50 0.03 0.09 69.78 Average: all 31.92 0.00 1.39 0.18 0.09 66.42 Average: 0 31.55 0.00 1.18 0.09 0.09 67.08 Average: 1 33.24 0.00 1.71 0.24 0.09 64.72 Average: 2 30.76 0.00 1.35 0.07 0.08 67.73 Average: 3 32.12 0.00 1.33 0.32 0.09 66.15