---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2799 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 11G 67G 15% / 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 663 9689 4 5636 14983 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:ba:75:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84384sec preferred_lft 84384sec inet6 fe80::f816:3eff:feba:753d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:c9:56:e6:84:20 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-2799) 04/14/26 _x86_64_ (4 CPU) 18:21:34 LINUX RESTART (4 CPU) 18:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:19 13.96 0.03 11.76 2.17 0.63 820.31 56393.77 18:50:01 32.05 0.19 27.63 4.24 5.95 5367.02 28516.68 Average: 22.86 0.10 19.57 3.19 3.25 3058.67 42669.76 18:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:19 9182500 12882364 3075712 18.79 157392 3669044 3297860 18.93 881512 5913468 60 18:50:01 7281884 12600876 3348912 20.45 184164 5178268 3471372 19.93 1428668 7180752 246304 Average: 8232192 12741620 3212312 19.62 170778 4423656 3384616 19.43 1155090 6547110 123182 18:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:19 lo 50.40 50.40 12.43 12.43 0.00 0.00 0.00 0.00 18:40:19 ens3 7.15 6.16 7.86 2.03 0.00 0.00 0.00 0.00 18:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1795.90 1795.90 1701.92 1701.92 0.00 0.00 0.00 0.00 18:50:01 ens3 73.14 55.07 491.34 14.13 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 909.71 909.71 844.17 844.17 0.00 0.00 0.00 0.00 Average: ens3 39.63 30.24 245.88 7.99 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-2799) 04/14/26 _x86_64_ (4 CPU) 18:21:34 LINUX RESTART (4 CPU) 18:30:19 CPU %user %nice %system %iowait %steal %idle 18:40:19 all 18.79 0.00 0.84 0.12 0.09 80.17 18:40:19 0 18.80 0.00 0.94 0.07 0.08 80.11 18:40:19 1 19.53 0.00 0.80 0.06 0.09 79.53 18:40:19 2 18.10 0.00 0.79 0.24 0.09 80.78 18:40:19 3 18.71 0.00 0.85 0.10 0.09 80.25 18:50:01 all 48.60 0.00 2.43 1.70 0.12 47.14 18:50:01 0 47.90 0.00 2.30 1.05 0.12 48.63 18:50:01 1 49.80 0.00 2.50 1.17 0.12 46.41 18:50:01 2 46.21 0.00 2.34 3.65 0.15 47.66 18:50:01 3 50.50 0.00 2.59 0.91 0.12 45.88 Average: all 33.42 0.00 1.62 0.89 0.11 63.96 Average: 0 33.08 0.00 1.61 0.55 0.10 64.66 Average: 1 34.40 0.00 1.63 0.60 0.10 63.26 Average: 2 31.90 0.00 1.55 1.92 0.12 64.52 Average: 3 34.30 0.00 1.71 0.50 0.10 63.39