---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53248 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: 5599.94 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 9.9G 68G 13% / 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 667 10929 4 4392 14979 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:e2:e9:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84785sec preferred_lft 84785sec inet6 fe80::f816:3eff:fee2:e98b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:91:4d:ed:9e:0e 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-53248) 03/26/26 _x86_64_ (4 CPU) 21:55:27 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:09 57.96 2.77 35.41 19.78 345.65 4341.46 250217.07 22:20:15 33.32 0.31 27.17 5.84 11.78 3484.20 5576.74 Average: 45.66 1.54 31.30 12.82 179.02 3913.61 128117.69 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:09 10561876 13946288 2013228 12.30 159124 3346228 2209756 12.68 634372 4777372 26852 22:20:15 11258312 15393876 560104 3.42 202880 3993648 1097356 6.30 854608 3793984 380 Average: 10910094 14670082 1286666 7.86 181002 3669938 1653556 9.49 744490 4285678 13616 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:09 lo 3622.47 3622.47 3454.30 3454.30 0.00 0.00 0.00 0.00 22:10:09 ens3 151.20 116.04 825.26 29.34 0.00 0.00 0.00 0.00 22:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:15 lo 2364.79 2364.79 2243.33 2243.33 0.00 0.00 0.00 0.00 22:20:15 ens3 116.21 104.92 119.25 154.01 0.00 0.00 0.00 0.00 22:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2994.76 2994.76 2849.91 2849.91 0.00 0.00 0.00 0.00 Average: ens3 133.74 110.49 472.89 91.56 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-53248) 03/26/26 _x86_64_ (4 CPU) 21:55:27 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:09 all 55.30 0.00 3.22 0.14 0.08 41.26 22:10:09 0 55.39 0.00 2.99 0.16 0.08 41.38 22:10:09 1 54.11 0.00 3.23 0.16 0.08 42.42 22:10:09 2 55.33 0.00 3.17 0.14 0.08 41.28 22:10:09 3 56.37 0.00 3.48 0.10 0.08 39.96 22:20:15 all 42.58 0.00 2.41 0.18 0.07 54.76 22:20:15 0 42.91 0.00 2.31 0.37 0.06 54.35 22:20:15 1 42.06 0.00 2.57 0.08 0.07 55.22 22:20:15 2 45.98 0.00 2.20 0.07 0.07 51.67 22:20:15 3 39.39 0.00 2.56 0.20 0.07 57.79 Average: all 48.95 0.00 2.81 0.16 0.08 48.00 Average: 0 49.16 0.00 2.65 0.26 0.07 47.86 Average: 1 48.10 0.00 2.90 0.12 0.08 48.81 Average: 2 50.66 0.00 2.69 0.11 0.08 46.47 Average: 3 47.90 0.00 3.02 0.15 0.08 48.85