---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52151 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 647 9488 4 5853 14999 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:f4:5b:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84187sec preferred_lft 84187sec inet6 fe80::f816:3eff:fef4:5b36/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:3a:62:c1:e5:83 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-52151) 03/25/26 _x86_64_ (4 CPU) 11:54:29 LINUX RESTART (4 CPU) 12:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:06 23.59 2.50 18.12 2.97 144.17 3389.54 30397.98 12:20:06 9.25 0.15 7.61 1.49 4.68 691.68 30895.96 12:30:06 34.48 0.45 29.46 4.57 15.20 8020.79 6882.05 Average: 22.44 1.04 18.39 3.01 54.92 4032.30 22745.65 12:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:06 9526704 12863108 3097040 18.92 128072 3338240 3378768 19.39 659612 5804548 772 12:20:06 9549160 13294652 2662368 16.26 147104 3697792 2901284 16.65 731192 5674152 234168 12:30:06 9744644 15381552 565660 3.45 175940 5475416 1108436 6.36 1570216 4523840 220 Average: 9606836 13846437 2108356 12.88 150372 4170483 2462829 14.14 987007 5334180 78387 12:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:06 lo 15.72 15.72 3.51 3.51 0.00 0.00 0.00 0.00 12:10:06 ens3 73.11 60.28 630.34 11.98 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:06 lo 127.78 127.78 86.13 86.13 0.00 0.00 0.00 0.00 12:20:06 ens3 30.95 20.94 235.81 4.00 0.00 0.00 0.00 0.00 12:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:06 lo 2344.60 2344.60 2255.53 2255.53 0.00 0.00 0.00 0.00 12:30:06 ens3 91.99 94.36 248.47 725.05 0.00 0.00 0.00 0.00 12:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 827.21 827.21 779.66 779.66 0.00 0.00 0.00 0.00 Average: ens3 65.37 58.53 372.23 246.39 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-52151) 03/25/26 _x86_64_ (4 CPU) 11:54:29 LINUX RESTART (4 CPU) 12:00:01 CPU %user %nice %system %iowait %steal %idle 12:10:06 all 31.88 0.00 1.20 0.11 0.08 66.73 12:10:06 0 32.08 0.00 1.37 0.11 0.08 66.37 12:10:06 1 31.54 0.00 1.53 0.15 0.08 66.70 12:10:06 2 32.03 0.00 1.07 0.06 0.07 66.76 12:10:06 3 31.86 0.00 0.84 0.14 0.08 67.08 12:20:06 all 19.89 0.00 1.02 0.04 0.08 78.98 12:20:06 0 19.04 0.00 1.07 0.03 0.08 79.77 12:20:06 1 19.08 0.00 0.97 0.02 0.08 79.85 12:20:06 2 20.70 0.00 1.10 0.08 0.08 78.04 12:20:06 3 20.72 0.00 0.94 0.02 0.08 78.24 12:30:06 all 48.59 0.00 2.50 0.10 0.09 48.72 12:30:06 0 44.30 0.00 2.47 0.10 0.09 53.05 12:30:06 1 50.48 0.00 2.89 0.13 0.09 46.42 12:30:06 2 50.29 0.00 2.13 0.13 0.09 47.35 12:30:06 3 49.30 0.00 2.51 0.04 0.09 48.07 Average: all 33.44 0.00 1.57 0.08 0.08 64.82 Average: 0 31.80 0.00 1.64 0.08 0.08 66.40 Average: 1 33.69 0.00 1.80 0.10 0.08 64.33 Average: 2 34.33 0.00 1.43 0.09 0.08 64.07 Average: 3 33.95 0.00 1.43 0.07 0.08 64.47