---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3201 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 733 10269 4 4987 14912 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:f4:55:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84600sec preferred_lft 84600sec inet6 fe80::f816:3eff:fef4:55c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:cb:e4:10:40:8e 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3201) 09/08/26 _x86_64_ (4 CPU) 16:44:21 LINUX RESTART (4 CPU) 16:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:06 12.10 1.31 9.96 0.82 73.51 2802.35 1748.54 17:10:19 23.28 0.76 19.32 3.19 23.57 3779.65 7783.86 Average: 17.80 1.03 14.74 2.03 48.01 3301.29 4829.72 16:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:06 9916108 13644400 2312008 14.12 142552 3684808 2559940 14.69 641072 5394764 21920 17:10:19 10672488 15406712 543912 3.32 170972 4591376 1105780 6.35 934444 4271756 1928 Average: 10294298 14525556 1427960 8.72 156762 4138092 1832860 10.52 787758 4833260 11924 16:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:06 lo 1.26 1.26 0.13 0.13 0.00 0.00 0.00 0.00 17:00:06 ens3 38.18 34.33 157.82 10.13 0.00 0.00 0.00 0.00 17:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:19 lo 1664.62 1664.62 1587.05 1587.05 0.00 0.00 0.00 0.00 17:10:19 ens3 60.71 51.17 440.87 28.67 0.00 0.00 0.00 0.00 17:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 850.45 850.45 810.29 810.29 0.00 0.00 0.00 0.00 Average: ens3 49.68 42.92 302.33 19.60 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3201) 09/08/26 _x86_64_ (4 CPU) 16:44:21 LINUX RESTART (4 CPU) 16:50:19 CPU %user %nice %system %iowait %steal %idle 17:00:06 all 65.10 0.00 2.26 0.06 0.03 32.55 17:00:06 0 66.10 0.00 2.44 0.06 0.03 31.37 17:00:06 1 64.25 0.00 2.24 0.08 0.03 33.40 17:00:06 2 65.65 0.00 2.36 0.04 0.03 31.93 17:00:06 3 64.40 0.00 1.98 0.07 0.03 33.52 17:10:19 all 58.10 0.00 2.74 0.12 0.03 39.01 17:10:19 0 57.98 0.00 2.72 0.11 0.03 39.17 17:10:19 1 57.27 0.00 2.73 0.22 0.03 39.75 17:10:19 2 59.09 0.00 2.88 0.06 0.03 37.95 17:10:19 3 58.06 0.00 2.64 0.09 0.03 39.19 Average: all 61.53 0.00 2.50 0.09 0.03 35.85 Average: 0 61.95 0.00 2.58 0.09 0.03 35.35 Average: 1 60.69 0.00 2.49 0.15 0.03 36.64 Average: 2 62.30 0.00 2.62 0.05 0.03 35.00 Average: 3 61.17 0.00 2.32 0.08 0.03 36.41