---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54338 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 621 10571 4 4796 15025 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:f5:e5:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84674sec preferred_lft 84674sec inet6 fe80::f816:3eff:fef5:e5d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:cc:58:74:b9:57 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-54338) 03/31/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:11 3.69 0.11 3.42 0.16 9.13 514.55 213.09 00:50:02 16.30 0.53 14.59 1.18 19.33 2214.56 7508.61 Average: 9.89 0.32 8.91 0.66 14.15 1350.95 3802.48 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:11 10773328 13767924 2195828 13.41 113772 3044748 2408972 13.83 500712 4745048 6976 00:50:02 9053640 12750852 3208212 19.59 133440 3689220 3318200 19.05 718524 6218684 264712 Average: 9913484 13259388 2702020 16.50 123606 3366984 2863586 16.44 609618 5481866 135844 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:11 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 00:40:11 ens3 11.76 7.93 35.30 2.55 0.00 0.00 0.00 0.00 00:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:02 lo 425.28 425.28 405.02 405.02 0.00 0.00 0.00 0.00 00:50:02 ens3 38.78 26.55 416.67 4.68 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 209.53 209.53 199.46 199.46 0.00 0.00 0.00 0.00 Average: ens3 25.05 17.09 222.93 3.60 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-54338) 03/31/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:11 all 48.64 0.00 0.63 0.02 0.08 50.63 00:40:11 0 44.94 0.00 0.54 0.02 0.07 54.43 00:40:11 1 59.90 0.00 0.62 0.01 0.08 39.39 00:40:11 2 48.19 0.00 0.78 0.03 0.08 50.92 00:40:11 3 41.54 0.00 0.56 0.02 0.08 57.80 00:50:02 all 59.09 0.00 1.17 0.04 0.09 39.61 00:50:02 0 73.07 0.00 1.13 0.02 0.10 25.68 00:50:02 1 51.86 0.00 1.21 0.03 0.09 46.82 00:50:02 2 65.20 0.00 1.34 0.06 0.09 33.31 00:50:02 3 46.21 0.00 0.99 0.07 0.09 52.64 Average: all 53.78 0.00 0.89 0.03 0.08 45.21 Average: 0 58.78 0.00 0.83 0.02 0.08 40.29 Average: 1 55.94 0.00 0.91 0.02 0.08 43.04 Average: 2 56.56 0.00 1.06 0.04 0.09 42.25 Average: 3 43.84 0.00 0.77 0.04 0.08 55.27