---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52783 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 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 11055 4 4266 14978 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:ac:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84877sec preferred_lft 84877sec inet6 fe80::f816:3eff:fef5:ac7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:ef:cf:59:10:28 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-52783) 03/25/26 _x86_64_ (4 CPU) 15:07:46 LINUX RESTART (4 CPU) 15:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:17 52.98 2.59 31.50 18.88 143.70 3926.12 253688.84 15:30:17 38.58 0.31 31.93 6.34 11.83 3786.27 6784.58 Average: 45.77 1.45 31.71 12.61 77.73 3856.17 130183.19 15:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:17 10705460 13920504 2039620 12.46 153048 3190216 2321316 13.32 559032 4736648 24084 15:30:17 11385576 15391276 562988 3.44 201832 3867216 1096332 6.29 791188 3728712 8 Average: 11045518 14655890 1301304 7.95 177440 3528716 1708824 9.81 675110 4232680 12046 15:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:17 lo 3163.51 3163.51 3016.37 3016.37 0.00 0.00 0.00 0.00 15:20:17 ens3 153.61 119.56 798.47 29.86 0.00 0.00 0.00 0.00 15:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:17 lo 3016.83 3016.83 2866.21 2866.21 0.00 0.00 0.00 0.00 15:30:17 ens3 111.33 95.83 118.13 123.58 0.00 0.00 0.00 0.00 15:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3090.14 3090.14 2941.26 2941.26 0.00 0.00 0.00 0.00 Average: ens3 132.46 107.69 458.15 76.74 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-52783) 03/25/26 _x86_64_ (4 CPU) 15:07:46 LINUX RESTART (4 CPU) 15:10:18 CPU %user %nice %system %iowait %steal %idle 15:20:17 all 50.46 0.00 2.96 0.11 0.08 46.39 15:20:17 0 49.92 0.00 3.07 0.17 0.08 46.76 15:20:17 1 51.13 0.00 3.14 0.06 0.08 45.59 15:20:17 2 49.51 0.00 3.01 0.12 0.08 47.28 15:20:17 3 51.27 0.00 2.62 0.08 0.08 45.95 15:30:17 all 47.07 0.00 2.87 0.10 0.09 49.87 15:30:17 0 45.20 0.00 3.06 0.09 0.09 51.56 15:30:17 1 48.30 0.00 2.87 0.10 0.08 48.65 15:30:17 2 47.43 0.00 2.90 0.15 0.09 49.44 15:30:17 3 47.37 0.00 2.66 0.07 0.09 49.82 Average: all 48.76 0.00 2.92 0.10 0.08 48.13 Average: 0 47.56 0.00 3.06 0.13 0.09 49.16 Average: 1 49.71 0.00 3.00 0.08 0.08 47.12 Average: 2 48.47 0.00 2.96 0.14 0.08 48.36 Average: 3 49.32 0.00 2.64 0.07 0.08 47.89