---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-452422 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 13G 66G 16% / 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 652 8668 4 6669 14994 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:aa:d8:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84210sec preferred_lft 84210sec inet6 fe80::f816:3eff:feaa:d8e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:37:2e:a0:eb:74 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-452422) 03/12/26 _x86_64_ (4 CPU) 13:41:38 LINUX RESTART (4 CPU) 13:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:13 24.72 0.03 21.85 2.85 0.64 2215.73 5251.90 14:10:22 25.72 0.02 23.19 2.51 0.35 4248.11 19652.30 Average: 25.23 0.03 22.53 2.68 0.49 3247.75 12564.30 13:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:13 9743764 13444360 2511792 15.34 148124 3662712 2710084 15.56 730352 5494884 14732 14:10:22 6123584 10882504 5069708 30.96 167660 4656228 5153420 29.58 1037076 8760812 24 Average: 7933674 12163432 3790750 23.15 157892 4159470 3931752 22.57 883714 7127848 7378 13:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:13 lo 1396.57 1396.57 1325.26 1325.26 0.00 0.00 0.00 0.00 14:00:13 ens3 35.51 29.12 25.85 11.09 0.00 0.00 0.00 0.00 14:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:22 lo 1066.22 1066.22 1674.38 1674.38 0.00 0.00 0.00 0.00 14:10:22 ens3 36.60 29.53 48.25 10.58 0.00 0.00 0.00 0.00 14:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1228.82 1228.82 1502.54 1502.54 0.00 0.00 0.00 0.00 Average: ens3 36.06 29.33 37.22 10.83 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-452422) 03/12/26 _x86_64_ (4 CPU) 13:41:38 LINUX RESTART (4 CPU) 13:50:22 CPU %user %nice %system %iowait %steal %idle 14:00:13 all 66.37 0.00 2.41 0.14 0.14 30.94 14:00:13 0 67.06 0.00 2.22 0.10 0.14 30.49 14:00:13 1 65.55 0.00 2.38 0.19 0.13 31.75 14:00:13 2 67.16 0.00 2.62 0.13 0.14 29.95 14:00:13 3 65.70 0.00 2.42 0.17 0.14 31.58 14:10:22 all 55.58 0.00 2.24 0.47 0.14 41.57 14:10:22 0 55.56 0.00 2.19 0.26 0.15 41.84 14:10:22 1 56.69 0.00 2.22 0.65 0.13 40.31 14:10:22 2 54.34 0.00 2.14 0.62 0.15 42.76 14:10:22 3 55.73 0.00 2.39 0.37 0.14 41.36 Average: all 60.89 0.00 2.32 0.31 0.14 36.34 Average: 0 61.22 0.00 2.20 0.18 0.15 36.25 Average: 1 61.06 0.00 2.30 0.42 0.13 36.09 Average: 2 60.65 0.00 2.38 0.38 0.14 36.46 Average: 3 60.64 0.00 2.41 0.27 0.14 36.55