---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6107 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 11G 68G 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 662 10526 4 4799 14984 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:9c:25:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84788sec preferred_lft 84788sec inet6 fe80::f816:3eff:fe9c:25b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:bc:f6:85:ac:34 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-6107) 03/19/26 _x86_64_ (4 CPU) 18:07:47 LINUX RESTART (4 CPU) 18:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:07 28.23 2.14 11.88 14.21 135.18 2956.21 245684.71 18:30:07 37.17 1.06 31.47 4.64 35.03 4659.87 2617.37 Average: 32.74 1.59 21.77 9.38 84.66 3815.61 123071.27 18:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:07 10390504 13680512 2279508 13.92 134428 3281128 2556296 14.67 573208 5012508 41764 18:30:07 10837120 15392168 559724 3.42 175372 4411268 1097788 6.30 914824 4127768 80448 Average: 10613812 14536340 1419616 8.67 154900 3846198 1827042 10.49 744016 4570138 61106 18:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:07 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 18:20:07 ens3 106.20 85.23 673.13 20.11 0.00 0.00 0.00 0.00 18:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:07 lo 1680.65 1680.65 1602.10 1602.10 0.00 0.00 0.00 0.00 18:30:07 ens3 82.96 64.25 426.77 18.35 0.00 0.00 0.00 0.00 18:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 848.38 848.38 808.23 808.23 0.00 0.00 0.00 0.00 Average: ens3 94.48 74.64 548.85 19.22 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-6107) 03/19/26 _x86_64_ (4 CPU) 18:07:47 LINUX RESTART (4 CPU) 18:10:18 CPU %user %nice %system %iowait %steal %idle 18:20:07 all 61.44 0.00 1.96 0.06 0.08 36.46 18:20:07 0 61.61 0.00 2.12 0.03 0.08 36.16 18:20:07 1 60.81 0.00 1.90 0.03 0.08 37.17 18:20:07 2 62.57 0.00 1.96 0.03 0.09 35.35 18:20:07 3 60.76 0.00 1.85 0.15 0.08 37.16 18:30:07 all 67.94 0.00 2.71 0.09 0.09 29.18 18:30:07 0 66.76 0.00 2.51 0.07 0.09 30.57 18:30:07 1 67.46 0.00 2.84 0.07 0.08 29.54 18:30:07 2 69.54 0.00 2.87 0.09 0.09 27.40 18:30:07 3 68.00 0.00 2.63 0.11 0.09 29.18 Average: all 64.72 0.00 2.34 0.07 0.08 32.79 Average: 0 64.21 0.00 2.32 0.05 0.08 33.34 Average: 1 64.17 0.00 2.38 0.05 0.08 33.32 Average: 2 66.09 0.00 2.42 0.06 0.09 31.34 Average: 3 64.41 0.00 2.24 0.13 0.08 33.13