---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-1784 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 16G 62G 21% / 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 654 6359 3 8974 14991 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:95:27:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.88/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85007sec preferred_lft 85007sec inet6 fe80::f816:3eff:fe95:2727/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:23:a8:a0:08:03 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 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-1784) 04/15/26 _x86_64_ (4 CPU) 05:17:28 LINUX RESTART (4 CPU) 05:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:11 45.03 2.73 40.75 1.55 359.45 15426.96 1810.37 05:40:01 273.31 0.71 262.08 10.53 18.55 13778.45 45270.67 Average: 158.16 1.73 150.44 6.00 190.50 14609.97 23348.89 05:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:11 6418580 13507784 2429960 14.84 242428 6734120 2654772 15.24 1289708 8004788 713460 05:40:01 6493676 15328056 595616 3.64 329188 8279376 1110804 6.38 2145344 6923100 252 Average: 6456128 14417920 1512788 9.24 285808 7506748 1882788 10.81 1717526 7463944 356856 05:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:11 lo 0.84 0.84 0.29 0.29 0.00 0.00 0.00 0.00 05:30:11 ens3 232.38 173.85 1828.88 34.41 0.00 0.00 0.00 0.00 05:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 17.80 17.80 4.23 4.23 0.00 0.00 0.00 0.00 05:40:01 ens3 90.56 99.84 150.79 671.29 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.24 9.24 2.24 2.24 0.00 0.00 0.00 0.00 Average: ens3 162.09 137.18 997.24 350.04 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 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-1784) 04/15/26 _x86_64_ (4 CPU) 05:17:28 LINUX RESTART (4 CPU) 05:20:11 CPU %user %nice %system %iowait %steal %idle 05:30:11 all 38.93 0.00 3.30 0.85 0.09 56.83 05:30:11 0 38.26 0.00 3.14 0.47 0.09 58.04 05:30:11 1 38.31 0.00 3.34 0.86 0.09 57.40 05:30:11 2 44.13 0.00 4.18 0.85 0.09 50.75 05:30:11 3 35.02 0.00 2.52 1.22 0.09 61.14 05:40:01 all 35.96 0.00 2.89 0.78 0.09 60.27 05:40:01 0 39.51 0.00 2.92 0.50 0.09 56.98 05:40:01 1 28.65 0.00 2.82 1.01 0.09 67.42 05:40:01 2 32.93 0.00 2.95 1.08 0.09 62.94 05:40:01 3 42.70 0.00 2.88 0.54 0.09 53.78 Average: all 37.46 0.00 3.10 0.82 0.09 58.54 Average: 0 38.88 0.00 3.03 0.48 0.09 57.51 Average: 1 33.52 0.00 3.08 0.94 0.09 62.37 Average: 2 38.58 0.00 3.57 0.96 0.09 56.79 Average: 3 38.83 0.00 2.70 0.88 0.09 57.49