---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1060 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 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 636 10066 4 5286 15010 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:79:33:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84505sec preferred_lft 84505sec inet6 fe80::f816:3eff:fe79:33cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:d9:8e:4e:79:a5 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-1060) 04/07/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:13 12.72 0.01 10.72 1.99 0.19 690.01 51167.36 18:50:01 38.57 0.32 33.16 5.09 8.64 7060.53 45204.92 Average: 25.55 0.16 21.86 3.53 4.38 3852.89 48207.09 18:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:13 10226708 13584572 2375504 14.51 156012 3332056 2751256 15.79 677236 5091444 12668 18:50:01 7958888 13035536 2913824 17.80 193200 4920068 2956792 16.97 1310184 6605368 7496 Average: 9092798 13310054 2644664 16.15 174606 4126062 2854024 16.38 993710 5848406 10082 18:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:13 lo 55.03 55.03 13.77 13.77 0.00 0.00 0.00 0.00 18:40:13 ens3 4.07 3.76 3.66 1.29 0.00 0.00 0.00 0.00 18:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2600.61 2600.61 2501.55 2501.55 0.00 0.00 0.00 0.00 18:50:01 ens3 75.99 61.27 489.16 15.73 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 1318.88 1318.88 1248.92 1248.92 0.00 0.00 0.00 0.00 Average: ens3 39.78 32.31 244.71 8.46 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-1060) 04/07/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:18 CPU %user %nice %system %iowait %steal %idle 18:40:13 all 13.41 0.00 0.72 0.08 0.09 85.70 18:40:13 0 13.97 0.00 0.68 0.04 0.08 85.23 18:40:13 1 13.22 0.00 0.72 0.02 0.09 85.95 18:40:13 2 13.46 0.00 0.80 0.06 0.08 85.59 18:40:13 3 12.99 0.00 0.69 0.19 0.09 86.04 18:50:01 all 53.79 0.00 2.84 0.12 0.09 43.16 18:50:01 0 55.57 0.00 2.75 0.11 0.09 41.48 18:50:01 1 52.72 0.00 2.69 0.10 0.09 44.40 18:50:01 2 53.98 0.00 3.14 0.07 0.09 42.72 18:50:01 3 52.89 0.00 2.76 0.19 0.09 44.07 Average: all 33.45 0.00 1.77 0.10 0.09 64.59 Average: 0 34.60 0.00 1.71 0.08 0.09 63.53 Average: 1 32.82 0.00 1.70 0.06 0.09 65.33 Average: 2 33.58 0.00 1.96 0.07 0.09 64.30 Average: 3 32.80 0.00 1.72 0.19 0.09 65.20