---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4341 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 68G 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 605 10665 4 4718 15040 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:d7:67:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84582sec preferred_lft 84582sec inet6 fe80::f816:3eff:fed7:67b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:f1:41:55:b0:d4 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-4341) 04/18/26 _x86_64_ (4 CPU) 21:01:10 LINUX RESTART (4 CPU) 21:10:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:00 26.31 0.48 10.04 15.80 17.13 2323.56 255206.76 21:30:01 30.26 0.75 25.33 4.18 25.94 3780.14 11651.56 Average: 28.35 0.62 17.91 9.82 21.67 3073.82 129756.00 21:10:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:00 9923792 13442796 2514956 15.36 146908 3472404 2822704 16.20 643044 5397432 20764 21:30:01 10892672 15364872 586224 3.58 172596 4339004 1102732 6.33 898376 4084472 8 Average: 10408232 14403834 1550590 9.47 159752 3905704 1962718 11.27 770710 4740952 10386 21:10:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:00 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 21:20:00 ens3 58.85 48.38 105.01 18.17 0.00 0.00 0.00 0.00 21:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 1741.89 1741.89 1648.95 1648.95 0.00 0.00 0.00 0.00 21:30:01 ens3 102.13 92.40 408.08 151.09 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 897.92 897.92 849.41 849.41 0.00 0.00 0.00 0.00 Average: ens3 81.14 71.05 261.12 86.63 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-4341) 04/18/26 _x86_64_ (4 CPU) 21:01:10 LINUX RESTART (4 CPU) 21:10:34 CPU %user %nice %system %iowait %steal %idle 21:20:00 all 71.96 0.00 2.37 0.03 0.11 25.54 21:20:00 0 69.00 0.00 2.14 0.05 0.11 28.70 21:20:00 1 75.90 0.00 2.67 0.02 0.11 21.30 21:20:00 2 71.34 0.00 2.45 0.02 0.11 26.08 21:20:00 3 71.59 0.00 2.20 0.03 0.11 26.07 21:30:01 all 48.04 0.00 2.16 0.06 0.09 49.64 21:30:01 0 44.86 0.00 2.15 0.04 0.08 52.86 21:30:01 1 49.28 0.00 2.30 0.04 0.09 48.29 21:30:01 2 50.66 0.00 2.18 0.04 0.09 47.03 21:30:01 3 47.38 0.00 2.02 0.13 0.09 50.39 Average: all 59.64 0.00 2.26 0.05 0.10 37.96 Average: 0 56.56 0.00 2.15 0.05 0.10 41.15 Average: 1 62.19 0.00 2.48 0.03 0.10 35.20 Average: 2 60.69 0.00 2.31 0.03 0.10 36.87 Average: 3 59.13 0.00 2.11 0.08 0.10 38.59