---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-427698 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 67G 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 696 9847 4 5445 14950 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:27:24:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84482sec preferred_lft 84482sec inet6 fe80::f816:3eff:fe27:24c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:b3:8a:e2:75:3b 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-427698) 03/10/26 _x86_64_ (4 CPU) 14:07:38 LINUX RESTART (4 CPU) 14:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:10 59.47 2.35 48.82 8.30 534.63 4222.20 146142.49 14:30:09 19.01 0.16 16.18 2.68 4.67 1562.57 20673.24 Average: 39.27 1.25 32.52 5.49 269.99 2894.06 83486.82 14:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:10 9892368 13383820 2576076 15.73 154468 3468872 3227280 18.52 814872 5297888 30124 14:30:09 9435488 13249812 2706608 16.53 171352 3749036 2965180 17.02 924948 5593268 17120 Average: 9663928 13316816 2641342 16.13 162910 3608954 3096230 17.77 869910 5445578 23622 14:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:10 lo 18.92 18.92 4.09 4.09 0.00 0.00 0.00 0.00 14:20:10 ens3 49.79 38.37 288.23 9.43 0.00 0.00 0.00 0.00 14:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:09 lo 1013.11 1013.11 934.88 934.88 0.00 0.00 0.00 0.00 14:30:09 ens3 35.35 26.56 228.39 6.47 0.00 0.00 0.00 0.00 14:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 515.39 515.39 468.90 468.90 0.00 0.00 0.00 0.00 Average: ens3 42.58 32.47 258.35 7.95 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-427698) 03/10/26 _x86_64_ (4 CPU) 14:07:38 LINUX RESTART (4 CPU) 14:10:09 CPU %user %nice %system %iowait %steal %idle 14:20:10 all 39.17 0.00 1.54 0.44 0.08 58.77 14:20:10 0 37.69 0.00 1.53 0.59 0.08 60.11 14:20:10 1 39.79 0.00 1.49 0.22 0.09 58.41 14:20:10 2 40.18 0.00 1.73 0.30 0.08 57.70 14:20:10 3 39.01 0.00 1.41 0.64 0.08 58.86 14:30:09 all 22.15 0.00 1.24 0.07 0.09 76.44 14:30:09 0 22.24 0.00 1.32 0.04 0.09 76.31 14:30:09 1 21.35 0.00 1.09 0.06 0.09 77.42 14:30:09 2 22.37 0.00 1.31 0.11 0.09 76.12 14:30:09 3 22.65 0.00 1.26 0.09 0.09 75.91 Average: all 30.67 0.00 1.39 0.26 0.09 67.60 Average: 0 29.98 0.00 1.42 0.32 0.09 68.20 Average: 1 30.58 0.00 1.29 0.14 0.09 67.90 Average: 2 31.28 0.00 1.52 0.21 0.08 66.91 Average: 3 30.84 0.00 1.33 0.36 0.08 67.38