---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46385 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 691 9921 4 5376 14954 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:19:13:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84600sec preferred_lft 84600sec inet6 fe80::f816:3eff:fe19:1361/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:f6:bf:b5:97:64 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46385) 08/31/26 _x86_64_ (4 CPU) 22:29:17 LINUX RESTART (4 CPU) 22:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:01 79.31 4.32 67.23 7.76 260.25 5999.11 148545.82 22:50:08 12.14 0.17 10.09 1.88 5.35 757.84 29237.31 Average: 45.48 2.23 38.45 4.80 131.88 3359.70 88464.03 22:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 9268276 12639516 3319716 20.28 148856 3358004 3508288 20.14 650656 6075632 284 22:50:08 9433268 13130604 2826064 17.26 165004 3643848 3048696 17.50 732600 5788732 154328 Average: 9350772 12885060 3072890 18.77 156930 3500926 3278492 18.82 691628 5932182 77306 22:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 lo 16.97 16.97 3.69 3.69 0.00 0.00 0.00 0.00 22:40:01 ens3 74.95 61.94 815.20 11.62 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:08 lo 260.45 260.45 214.29 214.29 0.00 0.00 0.00 0.00 22:50:08 ens3 22.96 16.39 231.98 2.75 0.00 0.00 0.00 0.00 22:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 139.58 139.58 109.75 109.75 0.00 0.00 0.00 0.00 Average: ens3 48.77 39.01 521.50 7.15 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46385) 08/31/26 _x86_64_ (4 CPU) 22:29:17 LINUX RESTART (4 CPU) 22:30:02 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 36.94 0.00 1.77 0.86 0.02 60.42 22:40:01 0 37.77 0.00 1.70 0.91 0.02 59.61 22:40:01 1 34.65 0.00 1.47 0.81 0.01 63.06 22:40:01 2 37.62 0.00 1.98 1.10 0.02 59.29 22:40:01 3 37.73 0.00 1.91 0.61 0.02 59.73 22:50:08 all 18.38 0.00 1.09 0.07 0.01 80.45 22:50:08 0 17.98 0.00 1.13 0.04 0.01 80.85 22:50:08 1 18.63 0.00 1.07 0.10 0.01 80.19 22:50:08 2 19.08 0.00 1.26 0.10 0.01 79.55 22:50:08 3 17.85 0.00 0.89 0.04 0.01 81.20 Average: all 27.59 0.00 1.42 0.46 0.01 70.51 Average: 0 27.78 0.00 1.41 0.47 0.01 70.32 Average: 1 26.58 0.00 1.27 0.45 0.01 71.69 Average: 2 28.28 0.00 1.62 0.60 0.01 69.49 Average: 3 27.73 0.00 1.40 0.32 0.01 70.53