---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9016 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 707 10462 4 4819 14939 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:b5:59:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84839sec preferred_lft 84839sec inet6 fe80::f816:3eff:feb5:59e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:7b:79:ce:85:0d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9016) 04/28/26 _x86_64_ (4 CPU) 08:56:59 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:23 16.97 2.23 13.43 1.30 135.83 3262.66 1047.36 09:20:36 29.00 0.80 24.08 4.13 26.75 4122.14 4153.36 Average: 22.95 1.52 18.72 2.71 81.63 3689.70 2590.61 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:23 10175360 13678576 2279404 13.92 141664 3475860 2379248 13.66 632644 5158904 35636 09:20:36 10775552 15350592 599432 3.66 178396 4434204 1090004 6.26 928292 4163784 4 Average: 10475456 14514584 1439418 8.79 160030 3955032 1734626 9.96 780468 4661344 17820 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:23 lo 1.42 1.42 0.15 0.15 0.00 0.00 0.00 0.00 09:10:23 ens3 95.14 73.71 550.74 19.62 0.00 0.00 0.00 0.00 09:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:36 lo 1652.70 1652.70 1569.72 1569.72 0.00 0.00 0.00 0.00 09:20:36 ens3 96.95 80.89 402.07 89.11 0.00 0.00 0.00 0.00 09:20:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 821.88 821.88 780.01 780.01 0.00 0.00 0.00 0.00 Average: ens3 96.04 77.28 476.87 54.15 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-9016) 04/28/26 _x86_64_ (4 CPU) 08:56:59 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:23 all 72.67 0.00 2.39 0.10 0.13 24.72 09:10:23 0 72.57 0.00 2.48 0.13 0.13 24.69 09:10:23 1 74.30 0.00 2.40 0.11 0.13 23.05 09:10:23 2 72.37 0.00 2.22 0.08 0.12 25.21 09:10:23 3 71.42 0.00 2.47 0.06 0.13 25.92 09:20:36 all 57.40 0.00 2.45 0.12 0.10 39.92 09:20:36 0 57.62 0.00 2.49 0.03 0.10 39.76 09:20:36 1 56.02 0.00 2.51 0.09 0.11 41.27 09:20:36 2 60.25 0.00 2.53 0.07 0.10 37.05 09:20:36 3 55.71 0.00 2.29 0.30 0.10 41.60 Average: all 65.08 0.00 2.42 0.11 0.11 32.27 Average: 0 65.12 0.00 2.49 0.08 0.12 32.19 Average: 1 65.22 0.00 2.46 0.10 0.12 32.10 Average: 2 66.35 0.00 2.37 0.08 0.11 31.09 Average: 3 63.62 0.00 2.38 0.18 0.11 33.71