---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1731 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 12G 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 651 9447 4 5890 14995 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:fa:03:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84730sec preferred_lft 84730sec inet6 fe80::f816:3eff:fefa:3e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:56:da:da:95:fd 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-4c-4g-1731) 04/10/26 _x86_64_ (4 CPU) 06:59:28 LINUX RESTART (4 CPU) 07:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:15 53.31 4.83 44.78 3.70 469.81 5855.09 52670.41 07:20:05 17.68 0.15 15.19 2.34 4.52 1395.22 28822.52 Average: 35.87 2.54 30.30 3.03 242.06 3672.10 40997.46 07:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:15 9789484 13289156 2670116 16.31 126152 3500316 2968420 17.04 720988 5484976 9620 07:20:05 9396152 13187260 2768768 16.91 145084 3751060 2983088 17.12 831788 5718808 12468 Average: 9592818 13238208 2719442 16.61 135618 3625688 2975754 17.08 776388 5601892 11044 07:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:15 lo 18.45 18.45 4.00 4.00 0.00 0.00 0.00 0.00 07:10:15 ens3 100.49 77.12 945.89 14.96 0.00 0.00 0.00 0.00 07:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:05 lo 954.16 954.16 874.54 874.54 0.00 0.00 0.00 0.00 07:20:05 ens3 30.48 20.72 247.15 3.44 0.00 0.00 0.00 0.00 07:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 476.46 476.46 430.11 430.11 0.00 0.00 0.00 0.00 Average: ens3 66.22 49.51 603.87 9.32 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-4c-4g-1731) 04/10/26 _x86_64_ (4 CPU) 06:59:28 LINUX RESTART (4 CPU) 07:00:00 CPU %user %nice %system %iowait %steal %idle 07:10:15 all 37.16 0.00 1.59 0.38 0.08 60.79 07:10:15 0 38.01 0.00 1.50 0.42 0.08 59.99 07:10:15 1 35.61 0.00 1.36 0.51 0.08 62.43 07:10:15 2 36.04 0.00 1.47 0.25 0.08 62.16 07:10:15 3 38.96 0.00 2.02 0.34 0.09 58.59 07:20:05 all 21.65 0.00 1.28 0.06 0.09 76.92 07:20:05 0 20.42 0.00 1.18 0.04 0.09 78.27 07:20:05 1 21.38 0.00 1.30 0.03 0.09 77.20 07:20:05 2 22.35 0.00 1.19 0.09 0.09 76.28 07:20:05 3 22.44 0.00 1.47 0.09 0.09 75.91 Average: all 29.57 0.00 1.44 0.22 0.09 68.68 Average: 0 29.41 0.00 1.34 0.23 0.09 68.93 Average: 1 28.65 0.00 1.33 0.27 0.09 69.66 Average: 2 29.34 0.00 1.33 0.17 0.09 69.07 Average: 3 30.88 0.00 1.75 0.21 0.09 67.07