---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66003 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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 12G 67G 15% / 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 731 9654 4 5603 14915 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:e9:11:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84440sec preferred_lft 84440sec inet6 fe80::f816:3eff:fee9:1133/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:ea:3b:53:6c:20 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-66003) 04/02/26 _x86_64_ (4 CPU) 12:36:58 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 24.39 2.66 19.80 1.94 147.35 4823.98 10208.51 13:00:01 32.71 0.05 29.36 3.29 1.63 6195.29 20787.42 Average: 28.54 1.36 24.57 2.62 74.61 5508.53 15489.42 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 9708120 13374716 2581804 15.77 156044 3601976 2856176 16.39 711560 5534312 14816 13:00:01 8164876 13300532 2649148 16.18 189264 4962456 2858804 16.41 1029068 6683196 32636 Average: 8936498 13337624 2615476 15.97 172654 4282216 2857490 16.40 870314 6108754 23726 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 806.38 806.38 768.36 768.36 0.00 0.00 0.00 0.00 12:50:02 ens3 105.29 79.83 808.44 18.68 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 1331.78 1331.78 1269.05 1269.05 0.00 0.00 0.00 0.00 13:00:01 ens3 54.58 42.35 235.14 13.45 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1068.66 1068.66 1018.30 1018.30 0.00 0.00 0.00 0.00 Average: ens3 79.98 61.12 522.26 16.07 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-66003) 04/02/26 _x86_64_ (4 CPU) 12:36:58 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 63.81 0.00 2.24 0.12 0.12 33.70 12:50:02 0 63.35 0.00 2.11 0.11 0.12 34.30 12:50:02 1 64.87 0.00 2.27 0.12 0.12 32.61 12:50:02 2 61.50 0.00 2.38 0.12 0.12 35.88 12:50:02 3 65.53 0.00 2.21 0.15 0.12 32.00 13:00:01 all 57.36 0.00 2.47 0.19 0.11 39.87 13:00:01 0 57.12 0.00 2.72 0.12 0.12 39.92 13:00:01 1 57.67 0.00 2.16 0.15 0.11 39.91 13:00:01 2 56.06 0.00 2.46 0.35 0.11 41.02 13:00:01 3 58.59 0.00 2.54 0.14 0.12 38.62 Average: all 60.59 0.00 2.36 0.16 0.12 36.78 Average: 0 60.24 0.00 2.42 0.12 0.12 37.11 Average: 1 61.27 0.00 2.22 0.13 0.12 36.26 Average: 2 58.79 0.00 2.42 0.24 0.11 38.45 Average: 3 62.06 0.00 2.37 0.14 0.12 35.30