---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65791 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 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 630 10986 4 4372 15016 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:67:f3:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84690sec preferred_lft 84690sec inet6 fe80::f816:3eff:fe67:f3c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:3e:c4:6a:cd:90 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-65791) 04/01/26 _x86_64_ (4 CPU) 14:35:28 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:16 49.66 2.52 39.49 7.64 140.47 4686.50 16055.97 15:00:16 41.68 0.31 22.65 18.71 12.01 3055.51 250392.30 Average: 45.72 1.43 31.17 13.11 77.01 3880.78 131819.58 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:16 10344732 13896024 2060904 12.59 169596 3485812 2232628 12.82 637484 4988072 121120 15:00:16 11268696 15383288 570096 3.48 203940 3971640 1108088 6.36 821952 3809540 128 Average: 10806714 14639656 1315500 8.03 186768 3728726 1670358 9.59 729718 4398806 60624 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:16 lo 4198.62 4198.62 4004.19 4004.19 0.00 0.00 0.00 0.00 14:50:16 ens3 179.87 129.52 815.02 31.56 0.00 0.00 0.00 0.00 14:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:16 lo 1990.87 1990.87 1889.36 1889.36 0.00 0.00 0.00 0.00 15:00:16 ens3 96.80 86.96 112.81 120.12 0.00 0.00 0.00 0.00 15:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3107.98 3107.98 2959.45 2959.45 0.00 0.00 0.00 0.00 Average: ens3 138.83 108.50 468.12 75.31 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-65791) 04/01/26 _x86_64_ (4 CPU) 14:35:28 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:16 all 66.33 0.00 4.01 0.53 0.12 29.01 14:50:16 0 66.08 0.00 3.87 0.74 0.12 29.18 14:50:16 1 65.50 0.00 4.28 0.57 0.12 29.53 14:50:16 2 66.04 0.00 3.92 0.48 0.12 29.44 14:50:16 3 67.68 0.00 3.98 0.35 0.12 27.88 15:00:16 all 33.65 0.00 2.10 0.26 0.08 63.91 15:00:16 0 32.66 0.00 2.35 0.13 0.07 64.78 15:00:16 1 33.04 0.00 1.88 0.49 0.08 64.52 15:00:16 2 33.40 0.00 1.87 0.11 0.08 64.54 15:00:16 3 35.50 0.00 2.30 0.32 0.08 61.80 Average: all 50.16 0.00 3.07 0.40 0.10 46.28 Average: 0 49.54 0.00 3.12 0.44 0.10 46.80 Average: 1 49.42 0.00 3.09 0.53 0.10 46.86 Average: 2 49.90 0.00 2.91 0.30 0.10 46.79 Average: 3 51.76 0.00 3.15 0.33 0.10 44.66