---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16811 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 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 637 10530 4 4822 15009 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:96:3c:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84180sec preferred_lft 84180sec inet6 fe80::f816:3eff:fe96:3c8c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:88:a3:1f:b0:ab 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-16811) 05/19/26 _x86_64_ (4 CPU) 12:48:52 LINUX RESTART (4 CPU) 12:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:19 1.01 0.04 0.96 0.01 2.03 14.69 222.03 13:10:17 41.04 4.30 35.95 0.78 259.59 4178.34 640.33 13:20:18 3.46 0.23 3.11 0.12 11.62 524.23 276.93 Average: 15.14 1.52 13.32 0.30 90.91 1569.88 379.51 12:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:19 13779988 15532504 486108 2.97 53828 1925548 1136948 6.53 192944 2161868 168 13:10:17 10968304 13913732 2050480 12.52 111512 3002008 2371552 13.61 478656 4584244 10028 13:20:18 10551832 13665296 2297408 14.03 116596 3151216 2590428 14.87 516120 4963000 26340 Average: 11766708 14370511 1611332 9.84 93979 2692924 2032976 11.67 395907 3903037 12179 12:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:19 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:00:19 ens3 0.46 0.17 0.14 0.08 0.00 0.00 0.00 0.00 13:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:17 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 13:10:17 ens3 97.75 76.67 888.16 14.16 0.00 0.00 0.00 0.00 13:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:18 lo 0.76 0.76 0.38 0.38 0.00 0.00 0.00 0.00 13:20:18 ens3 8.07 7.26 47.75 1.78 0.00 0.00 0.00 0.00 13:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.46 0.46 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 35.37 27.99 311.44 5.33 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-16811) 05/19/26 _x86_64_ (4 CPU) 12:48:52 LINUX RESTART (4 CPU) 12:50:19 CPU %user %nice %system %iowait %steal %idle 13:00:19 all 0.25 0.00 0.03 0.01 0.02 99.69 13:00:19 0 0.03 0.00 0.03 0.01 0.01 99.92 13:00:19 1 0.21 0.00 0.03 0.01 0.01 99.74 13:00:19 2 0.75 0.00 0.03 0.02 0.03 99.17 13:00:19 3 0.02 0.00 0.02 0.00 0.01 99.95 13:10:17 all 44.28 0.00 1.12 0.25 0.07 54.28 13:10:17 0 41.53 0.00 1.02 0.32 0.07 57.05 13:10:17 1 50.16 0.00 1.32 0.39 0.08 48.06 13:10:17 2 42.43 0.00 1.12 0.12 0.08 56.25 13:10:17 3 43.01 0.00 1.01 0.15 0.07 55.76 13:20:18 all 53.17 0.00 0.52 0.01 0.08 46.21 13:20:18 0 54.25 0.00 0.61 0.02 0.08 45.04 13:20:18 1 75.81 0.00 0.61 0.01 0.09 23.48 13:20:18 2 39.47 0.00 0.41 0.02 0.07 60.03 13:20:18 3 43.15 0.00 0.46 0.02 0.08 56.28 Average: all 32.55 0.00 0.55 0.09 0.06 66.74 Average: 0 31.93 0.00 0.55 0.12 0.06 67.34 Average: 1 42.05 0.00 0.65 0.13 0.06 57.10 Average: 2 27.51 0.00 0.52 0.05 0.06 71.86 Average: 3 28.72 0.00 0.50 0.06 0.06 70.67