---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15499 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 9.1G 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 621 12058 4 3309 15025 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:57:21:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84921sec preferred_lft 84921sec inet6 fe80::f816:3eff:fe57:2165/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:95:45:29:f4:1d 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-15499) 03/23/26 _x86_64_ (4 CPU) 19:06:42 LINUX RESTART (4 CPU) 19:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:10 8.32 2.06 6.15 0.11 126.71 1963.21 11.63 19:30:18 16.35 0.07 3.12 13.16 6.78 455.86 236504.28 Average: 12.39 1.05 4.61 6.72 65.99 1200.03 119749.83 19:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:10 11032952 13913436 2050980 12.53 109696 2942984 2337524 13.42 472308 4535208 2876 19:30:18 10775040 13791948 2171512 13.26 114368 3064528 2402100 13.79 506128 4748284 4276 Average: 10903996 13852692 2111246 12.89 112032 3003756 2369812 13.60 489218 4641746 3576 19:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:10 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 19:20:10 ens3 66.59 50.65 543.47 5.37 0.00 0.00 0.00 0.00 19:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:18 lo 0.54 0.54 0.36 0.36 0.00 0.00 0.00 0.00 19:30:18 ens3 7.42 6.02 35.21 1.74 0.00 0.00 0.00 0.00 19:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.41 0.41 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 36.63 28.06 286.13 3.53 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-15499) 03/23/26 _x86_64_ (4 CPU) 19:06:42 LINUX RESTART (4 CPU) 19:10:18 CPU %user %nice %system %iowait %steal %idle 19:20:10 all 36.19 0.00 0.74 0.05 0.07 62.94 19:20:10 0 30.46 0.00 0.67 0.06 0.07 68.74 19:20:10 1 40.37 0.00 0.90 0.03 0.07 58.64 19:20:10 2 40.32 0.00 0.76 0.08 0.07 58.78 19:20:10 3 33.62 0.00 0.64 0.04 0.07 65.63 19:30:18 all 43.83 0.00 0.55 0.03 0.07 55.51 19:30:18 0 64.70 0.00 0.63 0.07 0.09 34.51 19:30:18 1 34.63 0.00 0.53 0.01 0.07 64.76 19:30:18 2 44.38 0.00 0.53 0.02 0.07 55.00 19:30:18 3 31.64 0.00 0.51 0.02 0.06 67.76 Average: all 40.06 0.00 0.65 0.04 0.07 59.18 Average: 0 47.81 0.00 0.65 0.07 0.08 51.39 Average: 1 37.46 0.00 0.71 0.02 0.07 61.74 Average: 2 42.38 0.00 0.64 0.05 0.07 56.86 Average: 3 32.62 0.00 0.58 0.03 0.06 66.71