---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6316 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: 5600.00 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 657 10374 4 4957 14989 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:e3:2b:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84695sec preferred_lft 84695sec inet6 fe80::f816:3eff:fee3:2b09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:61:ae:f2:74:dd 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-6316) 04/21/26 _x86_64_ (4 CPU) 21:07:30 LINUX RESTART (4 CPU) 21:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:00 16.82 2.34 13.46 1.03 527.43 3673.79 3677.24 21:30:00 28.02 0.79 24.00 3.24 28.12 4167.09 15168.75 Average: 22.42 1.56 18.73 2.13 277.77 3920.44 9422.99 21:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:00 10490120 13940972 2019176 12.33 132228 3446732 2414548 13.86 685968 4825576 24664 21:30:00 8275900 12864052 3087184 18.86 174108 4459372 3617628 20.77 998424 6625912 15452 Average: 9383010 13402512 2553180 15.59 153168 3953052 3016088 17.31 842196 5725744 20058 21:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:00 lo 1.11 1.11 0.11 0.11 0.00 0.00 0.00 0.00 21:20:00 ens3 105.03 82.55 784.59 18.78 0.00 0.00 0.00 0.00 21:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:00 lo 1623.55 1623.55 1548.04 1548.04 0.00 0.00 0.00 0.00 21:30:00 ens3 87.19 66.26 425.41 17.82 0.00 0.00 0.00 0.00 21:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 812.33 812.33 774.08 774.08 0.00 0.00 0.00 0.00 Average: ens3 96.11 74.40 605.00 18.30 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-6316) 04/21/26 _x86_64_ (4 CPU) 21:07:30 LINUX RESTART (4 CPU) 21:10:00 CPU %user %nice %system %iowait %steal %idle 21:20:00 all 52.89 0.00 1.84 0.26 0.09 44.92 21:20:00 0 53.34 0.00 1.65 0.13 0.09 44.79 21:20:00 1 54.43 0.00 2.14 0.33 0.09 43.01 21:20:00 2 54.21 0.00 1.95 0.51 0.08 43.24 21:20:00 3 49.57 0.00 1.61 0.09 0.09 48.64 21:30:00 all 68.72 0.00 2.73 0.13 0.12 28.30 21:30:00 0 67.20 0.00 2.54 0.13 0.13 30.00 21:30:00 1 70.66 0.00 2.99 0.09 0.12 26.14 21:30:00 2 69.39 0.00 2.43 0.17 0.12 27.89 21:30:00 3 67.63 0.00 2.97 0.13 0.12 29.15 Average: all 60.80 0.00 2.29 0.20 0.10 36.61 Average: 0 60.27 0.00 2.09 0.13 0.11 37.40 Average: 1 62.55 0.00 2.57 0.21 0.10 34.57 Average: 2 61.79 0.00 2.19 0.34 0.10 35.57 Average: 3 58.60 0.00 2.29 0.11 0.10 38.89