---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15426 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 632 10150 4 5206 15014 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:b5:4f:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84653sec preferred_lft 84653sec inet6 fe80::f816:3eff:feb5:4f31/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:0b:49:86:d4:2e 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-15426) 03/23/26 _x86_64_ (4 CPU) 14:45:05 LINUX RESTART (4 CPU) 14:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:01 20.45 0.65 6.17 13.63 613.33 1266.24 250734.35 15:10:01 13.93 0.51 12.56 0.86 18.96 1885.00 3530.36 Average: 17.19 0.58 9.37 7.24 316.15 1575.62 127132.35 14:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:01 7899492 11249656 4712156 28.78 118036 3391348 4914108 28.21 706936 7419940 3564 15:10:01 8829704 12895988 3061812 18.70 136992 4049164 3138600 18.02 910216 6233712 278392 Average: 8364598 12072822 3886984 23.74 127514 3720256 4026354 23.11 808576 6826826 140978 14:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:01 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 15:00:01 ens3 21.88 14.92 222.96 2.58 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 290.31 290.31 276.33 276.33 0.00 0.00 0.00 0.00 15:10:01 ens3 33.93 25.17 409.78 4.20 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 145.47 145.47 138.36 138.36 0.00 0.00 0.00 0.00 Average: ens3 27.91 20.04 316.37 3.39 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-15426) 03/23/26 _x86_64_ (4 CPU) 14:45:05 LINUX RESTART (4 CPU) 14:50:01 CPU %user %nice %system %iowait %steal %idle 15:00:01 all 46.00 0.00 0.75 0.17 0.11 52.97 15:00:01 0 40.82 0.00 0.65 0.08 0.10 58.35 15:00:01 1 57.20 0.00 0.76 0.11 0.11 41.82 15:00:01 2 45.36 0.00 0.93 0.32 0.11 53.28 15:00:01 3 40.62 0.00 0.68 0.16 0.11 58.43 15:10:01 all 57.45 0.00 1.12 0.19 0.12 41.12 15:10:01 0 47.51 0.00 1.04 0.18 0.11 51.17 15:10:01 1 84.38 0.00 1.18 0.24 0.14 14.05 15:10:01 2 47.58 0.00 1.13 0.13 0.11 51.05 15:10:01 3 50.34 0.00 1.12 0.22 0.11 48.23 Average: all 51.72 0.00 0.94 0.18 0.11 47.05 Average: 0 44.16 0.00 0.85 0.13 0.10 54.76 Average: 1 70.78 0.00 0.97 0.18 0.13 27.95 Average: 2 46.47 0.00 1.03 0.23 0.11 52.17 Average: 3 45.48 0.00 0.90 0.19 0.11 53.33