---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4027 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 677 10253 4 5058 14969 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:22:d7:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83883sec preferred_lft 83883sec inet6 fe80::f816:3eff:fe22:d763/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:52:eb:d6:82:ad 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4027) 01/25/26 _x86_64_ (4 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.73 0.04 1.68 0.01 2.92 35.65 141.91 00:20:32 12.79 1.91 9.96 0.92 124.48 2743.55 171.32 00:30:01 52.02 1.16 31.67 19.19 248.47 5222.62 281154.03 Average: 21.52 1.05 14.07 6.40 123.26 2626.86 89046.76 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 13004192 15513336 463992 2.83 99444 2601800 997752 5.73 467432 2595556 332 00:20:32 10335792 13763316 2195916 13.41 135532 3415604 2702780 15.51 720440 4931108 33608 00:30:01 10569284 15389276 559832 3.42 172016 4682916 1073016 6.16 1123372 4179892 8 Average: 11303089 14888643 1073247 6.55 135664 3566773 1591183 9.13 770415 3902185 11316 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 00:10:01 ens3 5.68 4.67 84.82 1.21 0.00 0.00 0.00 0.00 00:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:32 lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 00:20:32 ens3 94.52 72.86 488.08 18.84 0.00 0.00 0.00 0.00 00:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 lo 1575.59 1575.59 1498.97 1498.97 0.00 0.00 0.00 0.00 00:30:01 ens3 99.46 77.15 576.13 76.19 0.00 0.00 0.00 0.00 00:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 498.91 498.91 474.23 474.23 0.00 0.00 0.00 0.00 Average: ens3 66.53 51.53 381.77 31.12 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4027) 01/25/26 _x86_64_ (4 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.19 0.00 0.04 0.01 0.02 99.73 00:10:01 0 0.08 0.00 0.02 0.00 0.02 99.88 00:10:01 1 0.03 0.00 0.04 0.00 0.02 99.91 00:10:01 2 0.47 0.00 0.05 0.01 0.04 99.44 00:10:01 3 0.20 0.00 0.07 0.04 0.02 99.67 00:20:32 all 66.88 0.00 2.04 0.04 0.09 30.95 00:20:32 0 65.78 0.00 2.14 0.05 0.09 31.94 00:20:32 1 68.69 0.00 1.94 0.02 0.09 29.27 00:20:32 2 66.43 0.00 2.28 0.06 0.09 31.14 00:20:32 3 66.62 0.00 1.79 0.04 0.09 31.47 00:30:01 all 59.12 0.00 2.51 0.11 0.08 38.17 00:30:01 0 57.94 0.00 2.71 0.08 0.08 39.19 00:30:01 1 59.48 0.00 1.99 0.08 0.09 38.37 00:30:01 2 60.69 0.00 2.79 0.12 0.08 36.31 00:30:01 3 58.37 0.00 2.55 0.18 0.08 38.82 Average: all 42.20 0.00 1.52 0.06 0.06 56.16 Average: 0 41.41 0.00 1.62 0.04 0.06 56.87 Average: 1 42.90 0.00 1.32 0.03 0.06 55.69 Average: 2 42.61 0.00 1.70 0.06 0.07 55.56 Average: 3 41.89 0.00 1.46 0.08 0.06 56.51