---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36373 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5599.94 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 641 10401 4 4945 15005 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:6e:91:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84826sec preferred_lft 84826sec inet6 fe80::f816:3eff:fe6e:91e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:f0:6a:60:e8:6e 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36373) 07/16/26 _x86_64_ (4 CPU) 09:09:38 LINUX RESTART (4 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:02 69.36 11.12 54.91 3.33 1429.82 10484.51 5653.83 09:30:03 28.63 0.02 25.69 2.92 0.67 2370.54 9091.32 Average: 49.02 5.58 40.32 3.13 716.12 6432.51 7370.46 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:02 9903304 13424504 2534640 15.48 135108 3511284 2587780 14.85 651272 5430644 26184 09:30:03 9126876 13062348 2892808 17.67 156204 3869640 2846692 16.34 766356 6018132 21908 Average: 9515090 13243426 2713724 16.57 145656 3690462 2717236 15.60 708814 5724388 24046 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:02 lo 1399.14 1399.14 1327.34 1327.34 0.00 0.00 0.00 0.00 09:20:02 ens3 191.04 143.35 1307.17 28.49 0.00 0.00 0.00 0.00 09:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 lo 1228.56 1228.56 1170.47 1170.47 0.00 0.00 0.00 0.00 09:30:03 ens3 45.76 34.07 27.07 10.95 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1313.96 1313.96 1249.00 1249.00 0.00 0.00 0.00 0.00 Average: ens3 118.49 88.78 667.91 19.73 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36373) 07/16/26 _x86_64_ (4 CPU) 09:09:38 LINUX RESTART (4 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:02 all 59.76 0.00 2.65 0.42 0.10 37.07 09:20:02 0 57.40 0.00 2.43 0.40 0.10 39.67 09:20:02 1 60.41 0.00 2.71 0.75 0.10 36.03 09:20:02 2 60.92 0.00 2.59 0.25 0.10 36.15 09:20:02 3 60.32 0.00 2.86 0.27 0.10 36.44 09:30:03 all 66.25 0.00 2.33 0.10 0.11 31.21 09:30:03 0 64.60 0.00 2.30 0.14 0.11 32.85 09:30:03 1 66.93 0.00 2.20 0.04 0.11 30.73 09:30:03 2 65.95 0.00 2.42 0.14 0.10 31.38 09:30:03 3 67.52 0.00 2.42 0.09 0.11 29.87 Average: all 63.00 0.00 2.49 0.26 0.10 34.14 Average: 0 60.99 0.00 2.36 0.27 0.10 36.26 Average: 1 63.67 0.00 2.45 0.39 0.10 33.38 Average: 2 63.43 0.00 2.51 0.19 0.10 33.77 Average: 3 63.92 0.00 2.64 0.18 0.10 33.16