---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15460 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 9.3G 69G 12% / 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 635 11574 4 3780 15011 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:4a:83:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84841sec preferred_lft 84841sec inet6 fe80::f816:3eff:fe4a:83fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:82:89:2a:74:f8 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-15460) 03/23/26 _x86_64_ (4 CPU) 19:05:40 LINUX RESTART (4 CPU) 19:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:30 26.57 2.39 10.67 13.51 688.38 2804.62 257104.82 19:30:29 3.58 0.06 3.44 0.08 6.29 455.75 12.05 Average: 15.23 1.24 7.10 6.89 351.96 1646.13 130304.01 19:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:30 10318744 13716484 2245272 13.71 117888 3442440 2609488 14.98 711048 4997664 29536 19:30:29 10281996 13777512 2183244 13.33 121468 3528888 2510956 14.41 734624 5011200 836 Average: 10300370 13746998 2214258 13.52 119678 3485664 2560222 14.70 722836 5004432 15186 19:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:30 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 19:20:30 ens3 84.22 60.94 802.26 6.74 0.00 0.00 0.00 0.00 19:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:29 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 19:30:29 ens3 5.33 4.33 20.36 0.97 0.00 0.00 0.00 0.00 19:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.46 0.46 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 45.31 33.02 416.62 3.90 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-15460) 03/23/26 _x86_64_ (4 CPU) 19:05:40 LINUX RESTART (4 CPU) 19:10:14 CPU %user %nice %system %iowait %steal %idle 19:20:30 all 39.07 0.00 1.09 0.81 0.16 58.87 19:20:30 0 36.02 0.00 0.88 0.22 0.18 62.70 19:20:30 1 34.66 0.00 1.30 0.79 0.15 63.10 19:20:30 2 42.12 0.00 1.09 0.82 0.18 55.79 19:20:30 3 43.50 0.00 1.08 1.41 0.12 53.89 19:30:29 all 41.89 0.00 0.45 0.02 0.07 57.57 19:30:29 0 30.56 0.00 0.36 0.02 0.07 68.99 19:30:29 1 29.86 0.00 0.37 0.03 0.06 69.69 19:30:29 2 42.79 0.00 0.45 0.02 0.08 56.67 19:30:29 3 64.36 0.00 0.62 0.00 0.09 34.93 Average: all 40.46 0.00 0.77 0.42 0.12 58.23 Average: 0 33.32 0.00 0.62 0.12 0.13 65.81 Average: 1 32.29 0.00 0.84 0.41 0.11 66.35 Average: 2 42.45 0.00 0.77 0.43 0.13 56.22 Average: 3 53.80 0.00 0.85 0.71 0.10 44.53