---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6222 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 12G 67G 15% / 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 704 9551 4 5732 14941 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:19:17:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84571sec preferred_lft 84571sec inet6 fe80::f816:3eff:fe19:1752/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:df:81:9d:79:da 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-6222) 04/21/26 _x86_64_ (4 CPU) 15:45:35 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:12 27.68 0.89 24.16 2.63 229.48 4328.55 4177.34 16:10:15 29.57 0.05 26.34 3.18 1.59 6042.14 23085.17 Average: 28.62 0.47 25.24 2.90 116.28 5179.74 13569.41 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:12 9666044 13510736 2444232 14.93 160996 3770248 2674128 15.35 786024 5487556 13124 16:10:15 7721772 12989332 2959560 18.08 191348 5091324 3167392 18.18 1091320 7038120 28728 Average: 8693908 13250034 2701896 16.50 176172 4430786 2920760 16.77 938672 6262838 20926 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:12 lo 991.47 991.47 944.56 944.56 0.00 0.00 0.00 0.00 16:00:12 ens3 77.35 55.85 386.92 14.91 0.00 0.00 0.00 0.00 16:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:15 lo 1078.83 1078.83 1027.87 1027.87 0.00 0.00 0.00 0.00 16:10:15 ens3 60.24 44.74 232.97 12.66 0.00 0.00 0.00 0.00 16:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1034.86 1034.86 985.94 985.94 0.00 0.00 0.00 0.00 Average: ens3 68.85 50.34 310.45 13.79 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-6222) 04/21/26 _x86_64_ (4 CPU) 15:45:35 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:12 all 64.02 0.00 2.29 0.10 0.10 33.48 16:00:12 0 65.03 0.00 2.35 0.07 0.10 32.45 16:00:12 1 61.65 0.00 2.27 0.15 0.10 35.83 16:00:12 2 63.83 0.00 2.51 0.09 0.10 33.46 16:00:12 3 65.56 0.00 2.05 0.10 0.10 32.19 16:10:15 all 58.69 0.00 2.29 0.06 0.09 38.87 16:10:15 0 58.12 0.00 2.17 0.04 0.09 39.58 16:10:15 1 57.11 0.00 2.23 0.10 0.09 40.46 16:10:15 2 58.91 0.00 2.38 0.06 0.09 38.57 16:10:15 3 60.61 0.00 2.38 0.05 0.09 36.86 Average: all 61.37 0.00 2.29 0.08 0.10 36.16 Average: 0 61.60 0.00 2.26 0.06 0.09 35.99 Average: 1 59.39 0.00 2.25 0.12 0.10 38.13 Average: 2 61.39 0.00 2.45 0.08 0.10 36.00 Average: 3 63.11 0.00 2.21 0.08 0.10 34.51