---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64902 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: 5600.00 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 9.9G 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 694 11035 4 4260 14952 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:c3:44:68 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 84414sec preferred_lft 84414sec inet6 fe80::f816:3eff:fec3:4468/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:8b:0d:ad:10:a2 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-64902) 03/31/26 _x86_64_ (4 CPU) 20:53:27 LINUX RESTART (4 CPU) 21:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:03 43.98 2.60 34.69 6.69 144.51 4234.71 7468.88 21:20:16 31.87 0.30 26.29 5.29 11.55 3389.84 4762.86 Average: 37.79 1.43 30.40 5.97 76.59 3803.13 6086.58 21:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:03 10612940 13861924 2098176 12.81 157652 3214468 2204072 12.65 565196 4785360 14596 21:20:16 11366600 15366444 588720 3.60 201232 3861784 1093776 6.28 784812 3757244 8 Average: 10989770 14614184 1343448 8.21 179442 3538126 1648924 9.46 675004 4271302 7302 21:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:03 lo 3811.14 3811.14 3634.23 3634.23 0.00 0.00 0.00 0.00 21:10:03 ens3 143.92 113.57 777.53 30.30 0.00 0.00 0.00 0.00 21:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:16 lo 2481.62 2481.62 2360.68 2360.68 0.00 0.00 0.00 0.00 21:20:16 ens3 87.02 74.95 107.68 81.64 0.00 0.00 0.00 0.00 21:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3131.99 3131.99 2983.66 2983.66 0.00 0.00 0.00 0.00 Average: ens3 114.85 93.85 435.35 56.53 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-64902) 03/31/26 _x86_64_ (4 CPU) 20:53:27 LINUX RESTART (4 CPU) 21:00:16 CPU %user %nice %system %iowait %steal %idle 21:10:03 all 59.64 0.00 3.51 0.10 0.10 36.65 21:10:03 0 59.87 0.00 3.23 0.11 0.10 36.68 21:10:03 1 59.34 0.00 3.72 0.12 0.10 36.73 21:10:03 2 59.87 0.00 3.74 0.08 0.10 36.22 21:10:03 3 59.50 0.00 3.35 0.09 0.10 36.96 21:20:16 all 39.78 0.00 2.44 0.08 0.07 57.63 21:20:16 0 37.63 0.00 2.48 0.14 0.07 59.68 21:20:16 1 42.05 0.00 2.57 0.06 0.08 55.24 21:20:16 2 39.33 0.00 2.33 0.07 0.08 58.20 21:20:16 3 40.10 0.00 2.37 0.07 0.07 57.39 Average: all 49.49 0.00 2.96 0.09 0.08 47.37 Average: 0 48.50 0.00 2.85 0.13 0.08 48.44 Average: 1 50.50 0.00 3.13 0.09 0.09 46.19 Average: 2 49.38 0.00 3.02 0.07 0.09 47.44 Average: 3 49.58 0.00 2.85 0.08 0.09 47.41