---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5898 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 66G 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 677 9372 4 5939 14969 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:71:ff:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84586sec preferred_lft 84586sec inet6 fe80::f816:3eff:fe71:ff53/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:60:c3:f6:c7:b9 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-5898) 03/19/26 _x86_64_ (4 CPU) 07:53:38 LINUX RESTART (4 CPU) 08:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 11.54 0.03 9.59 1.92 0.73 735.28 28104.04 08:20:07 38.24 0.19 33.36 4.69 5.78 8141.54 30103.37 Average: 25.06 0.11 21.63 3.32 3.29 4486.32 29116.64 08:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 9533116 13054172 2903284 17.73 132600 3508576 3135532 18.00 704496 5744024 840 08:20:07 6902052 12642672 3302640 20.17 173564 5577856 3399792 19.51 1587648 7337036 344 Average: 8217584 12848422 3102962 18.95 153082 4543216 3267662 18.76 1146072 6540530 592 08:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 55.40 55.40 13.58 13.58 0.00 0.00 0.00 0.00 08:10:01 ens3 9.42 7.09 8.65 2.61 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:07 lo 2325.47 2325.47 2237.38 2237.38 0.00 0.00 0.00 0.00 08:20:07 ens3 77.82 57.78 464.37 15.08 0.00 0.00 0.00 0.00 08:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1205.12 1205.12 1139.87 1139.87 0.00 0.00 0.00 0.00 Average: ens3 44.06 32.76 239.46 8.92 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-5898) 03/19/26 _x86_64_ (4 CPU) 07:53:38 LINUX RESTART (4 CPU) 08:00:12 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 16.99 0.00 0.80 0.05 0.08 82.08 08:10:01 0 17.56 0.00 0.75 0.03 0.08 81.59 08:10:01 1 17.66 0.00 0.86 0.02 0.08 81.38 08:10:01 2 16.46 0.00 0.81 0.04 0.07 82.61 08:10:01 3 16.28 0.00 0.79 0.12 0.08 82.73 08:20:07 all 51.59 0.00 2.68 0.18 0.09 45.45 08:20:07 0 50.25 0.00 2.65 0.22 0.09 46.79 08:20:07 1 54.65 0.00 3.03 0.09 0.09 42.14 08:20:07 2 50.34 0.00 2.52 0.31 0.09 46.74 08:20:07 3 51.13 0.00 2.54 0.10 0.09 46.13 Average: all 34.51 0.00 1.75 0.12 0.08 63.53 Average: 0 34.13 0.00 1.71 0.13 0.08 63.95 Average: 1 36.39 0.00 1.96 0.06 0.09 61.51 Average: 2 33.61 0.00 1.67 0.18 0.08 64.45 Average: 3 33.91 0.00 1.67 0.11 0.08 64.22