---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20620 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: 5599.99 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 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 669 10092 4 5227 14977 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:7d:31:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84550sec preferred_lft 84550sec inet6 fe80::f816:3eff:fe7d:3153/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:2c:ed:de:71:5a 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-20620) 05/27/26 _x86_64_ (4 CPU) 08:06:49 LINUX RESTART (4 CPU) 08:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:12 36.07 4.55 30.31 1.20 632.77 4787.97 14420.48 08:30:12 3.72 0.06 3.51 0.14 6.71 537.84 113.29 Average: 19.89 2.31 16.91 0.67 319.74 2662.91 7266.89 08:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:12 9673164 12983292 2978540 18.19 116000 3355712 3254532 18.68 629204 5732548 136 08:30:12 9684856 13146628 2814192 17.19 121224 3489504 3001024 17.23 665904 5657364 196 Average: 9679010 13064960 2896366 17.69 118612 3422608 3127778 17.95 647554 5694956 166 08:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:12 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 08:20:12 ens3 101.51 73.75 1087.35 12.23 0.00 0.00 0.00 0.00 08:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:12 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 08:30:12 ens3 11.22 7.03 35.37 2.20 0.00 0.00 0.00 0.00 08:30:12 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 56.37 40.39 561.36 7.22 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-20620) 05/27/26 _x86_64_ (4 CPU) 08:06:49 LINUX RESTART (4 CPU) 08:10:12 CPU %user %nice %system %iowait %steal %idle 08:20:12 all 35.65 0.00 1.21 0.87 0.10 62.17 08:20:12 0 34.17 0.00 1.26 1.28 0.09 63.19 08:20:12 1 42.56 0.00 1.14 0.54 0.10 55.66 08:20:12 2 33.20 0.00 1.15 0.80 0.08 64.77 08:20:12 3 32.66 0.00 1.29 0.87 0.13 65.06 08:30:12 all 47.36 0.00 0.63 0.12 0.10 51.79 08:30:12 0 38.22 0.00 0.49 0.06 0.09 61.14 08:30:12 1 37.42 0.00 0.60 0.15 0.09 61.74 08:30:12 2 61.00 0.00 0.73 0.06 0.11 38.10 08:30:12 3 52.83 0.00 0.71 0.22 0.10 46.14 Average: all 41.51 0.00 0.92 0.50 0.10 56.98 Average: 0 36.19 0.00 0.88 0.67 0.09 62.17 Average: 1 39.99 0.00 0.87 0.35 0.09 58.70 Average: 2 47.10 0.00 0.94 0.43 0.09 51.44 Average: 3 42.75 0.00 1.00 0.55 0.11 55.59