---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39310 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 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 9.8G 68G 13% / 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 621 11244 4 4123 15025 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:20:45:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84747sec preferred_lft 84747sec inet6 fe80::f816:3eff:fe20:4567/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:a5:41:cd:5f:2e 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-39310) 08/21/26 _x86_64_ (4 CPU) 02:57:58 LINUX RESTART (4 CPU) 03:00:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 14.83 0.04 1.37 13.42 1.58 17.95 255216.11 03:20:29 63.42 4.71 56.57 2.14 270.69 4805.76 3957.37 Average: 40.27 2.48 30.28 7.51 142.49 2524.97 123650.78 03:00:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 13752772 15534128 485124 2.96 53712 1954524 1145384 6.57 197492 2185064 204 03:20:29 11021644 14190400 1772272 10.82 127336 3199924 2037180 11.69 539092 4456692 14088 Average: 12387208 14862264 1128698 6.89 90524 2577224 1591282 9.13 368292 3320878 7146 03:00:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 03:10:01 ens3 0.38 0.11 0.09 0.04 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:29 lo 263.62 263.62 250.91 250.91 0.00 0.00 0.00 0.00 03:20:29 ens3 112.68 82.00 1060.10 15.49 0.00 0.00 0.00 0.00 03:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 138.08 138.08 131.38 131.38 0.00 0.00 0.00 0.00 Average: ens3 59.18 42.99 555.14 8.13 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-39310) 08/21/26 _x86_64_ (4 CPU) 02:57:58 LINUX RESTART (4 CPU) 03:00:30 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 0.12 0.00 0.04 1.06 0.05 98.72 03:10:01 0 0.03 0.00 0.04 2.35 0.05 97.53 03:10:01 1 0.22 0.00 0.07 1.91 0.04 97.75 03:10:01 2 0.04 0.00 0.03 0.00 0.07 99.86 03:10:01 3 0.18 0.00 0.04 0.00 0.05 99.72 03:20:29 all 24.50 0.00 1.23 0.50 0.08 73.70 03:20:29 0 22.71 0.00 1.22 0.72 0.06 75.28 03:20:29 1 28.19 0.00 1.40 0.30 0.11 70.01 03:20:29 2 23.58 0.00 1.27 0.17 0.08 74.90 03:20:29 3 23.52 0.00 1.02 0.80 0.05 74.61 Average: all 12.88 0.00 0.66 0.77 0.07 85.63 Average: 0 11.89 0.00 0.66 1.50 0.06 85.90 Average: 1 14.87 0.00 0.77 1.07 0.08 83.22 Average: 2 12.35 0.00 0.68 0.09 0.08 86.81 Average: 3 12.40 0.00 0.55 0.42 0.05 86.57