---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2346 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 9.9G 68G 13% / 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 683 11036 4 4270 14963 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:00:3b:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84948sec preferred_lft 84948sec inet6 fe80::f816:3eff:fe00:3b38/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:da:7a:91:c5:9e 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-2346) 04/13/26 _x86_64_ (4 CPU) 00:09:11 LINUX RESTART (4 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 44.27 3.51 35.39 5.36 183.62 5196.00 11698.82 00:30:04 42.83 0.31 35.15 7.37 11.96 4158.56 10026.42 Average: 43.55 1.91 35.27 6.37 97.67 4676.56 10861.45 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 10792576 13941532 2019672 12.34 141560 3146440 2301624 13.21 531624 4689996 42608 00:30:04 11363940 15373060 581716 3.55 196948 3876924 1100388 6.32 781440 3765964 244 Average: 11078258 14657296 1300694 7.94 169254 3511682 1701006 9.76 656532 4227980 21426 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 2892.64 2892.64 2758.76 2758.76 0.00 0.00 0.00 0.00 00:20:01 ens3 143.74 107.17 944.45 26.10 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:04 lo 3659.83 3659.83 3483.67 3483.67 0.00 0.00 0.00 0.00 00:30:04 ens3 122.39 100.48 119.21 99.50 0.00 0.00 0.00 0.00 00:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3276.77 3276.77 3121.72 3121.72 0.00 0.00 0.00 0.00 Average: ens3 133.05 103.82 531.26 62.85 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-2346) 04/13/26 _x86_64_ (4 CPU) 00:09:11 LINUX RESTART (4 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 47.70 0.00 2.92 0.23 0.07 49.08 00:20:01 0 46.85 0.00 2.75 0.10 0.07 50.24 00:20:01 1 48.30 0.00 2.90 0.09 0.07 48.64 00:20:01 2 49.81 0.00 3.10 0.15 0.07 46.86 00:20:01 3 45.86 0.00 2.92 0.56 0.07 50.59 00:30:04 all 56.81 0.00 3.54 0.10 0.08 39.46 00:30:04 0 55.42 0.00 3.40 0.16 0.08 40.94 00:30:04 1 57.41 0.00 3.56 0.13 0.09 38.82 00:30:04 2 56.31 0.00 3.67 0.07 0.08 39.87 00:30:04 3 58.12 0.00 3.51 0.06 0.08 38.22 Average: all 52.26 0.00 3.23 0.16 0.08 44.27 Average: 0 51.14 0.00 3.07 0.13 0.07 45.59 Average: 1 52.86 0.00 3.23 0.11 0.08 43.72 Average: 2 53.06 0.00 3.39 0.11 0.08 43.36 Average: 3 52.00 0.00 3.22 0.31 0.08 44.40