---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-461711 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: 5600.00 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 11G 67G 14% / 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 670 10481 4 4836 14976 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:93:5d:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84740sec preferred_lft 84740sec inet6 fe80::f816:3eff:fe93:5df9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:0e:6c:f6:06:40 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-461711) 03/13/26 _x86_64_ (4 CPU) 11:08:02 LINUX RESTART (4 CPU) 11:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:06 45.09 4.33 39.81 0.95 257.18 4403.01 703.31 11:30:06 3.19 0.06 3.05 0.08 6.28 394.68 11.16 Average: 24.14 2.20 21.43 0.52 131.73 2398.83 357.23 11:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:06 10655864 13644400 2318388 14.16 112748 3042220 2608044 14.97 489000 4884056 8308 11:30:06 9746172 12843932 3118092 19.04 116596 3139188 3274488 18.80 516840 5763204 8068 Average: 10201018 13244166 2718240 16.60 114672 3090704 2941266 16.88 502920 5323630 8188 11:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:06 lo 0.53 0.53 0.06 0.06 0.00 0.00 0.00 0.00 11:20:06 ens3 97.61 72.81 982.46 12.94 0.00 0.00 0.00 0.00 11:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:06 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 11:30:06 ens3 5.26 4.21 20.44 1.05 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.53 0.53 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 51.43 38.51 501.44 7.00 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-461711) 03/13/26 _x86_64_ (4 CPU) 11:08:02 LINUX RESTART (4 CPU) 11:10:06 CPU %user %nice %system %iowait %steal %idle 11:20:06 all 46.30 0.00 1.23 0.54 0.08 51.86 11:20:06 0 39.04 0.00 1.28 0.43 0.08 59.17 11:20:06 1 49.59 0.00 1.08 1.15 0.07 48.10 11:20:06 2 43.42 0.00 1.10 0.33 0.08 55.07 11:20:06 3 53.17 0.00 1.45 0.25 0.08 45.06 11:30:06 all 43.53 0.00 0.47 0.04 0.07 55.90 11:30:06 0 28.59 0.00 0.47 0.09 0.08 70.78 11:30:06 1 75.03 0.00 0.57 0.03 0.08 24.29 11:30:06 2 43.84 0.00 0.49 0.01 0.06 55.60 11:30:06 3 26.78 0.00 0.34 0.02 0.07 72.79 Average: all 44.91 0.00 0.85 0.29 0.07 53.88 Average: 0 33.81 0.00 0.87 0.26 0.08 64.98 Average: 1 62.32 0.00 0.82 0.59 0.08 36.19 Average: 2 43.63 0.00 0.79 0.17 0.07 55.34 Average: 3 39.91 0.00 0.89 0.14 0.07 58.99