---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53475 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 689 10513 4 4786 14957 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:a8:b6:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84305sec preferred_lft 84305sec inet6 fe80::f816:3eff:fea8:b61d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:59:97:e3:84:71 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-53475) 03/27/26 _x86_64_ (4 CPU) 09:58:19 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:10 36.94 4.11 32.08 0.75 254.62 3728.87 877.89 10:20:10 10.82 0.45 9.35 1.01 16.24 2452.98 351.32 10:30:01 27.73 0.76 22.59 4.38 26.25 3938.59 3458.00 Average: 25.20 1.79 21.38 2.03 100.13 3372.24 1549.51 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:10 11002072 13836060 2128260 13.00 116408 2884776 2778984 15.95 469600 4574868 26896 10:20:10 10008928 13579860 2377400 14.52 155232 3510120 2824392 16.21 649440 5292308 32856 10:30:01 10826600 15367968 582952 3.56 181680 4390980 1118468 6.42 909788 4140636 200 Average: 10612533 14261296 1696204 10.36 151107 3595292 2240615 12.86 676276 4669271 19984 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:10 lo 0.51 0.51 0.06 0.06 0.00 0.00 0.00 0.00 10:10:10 ens3 96.78 77.33 914.75 15.63 0.00 0.00 0.00 0.00 10:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:10 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 10:20:10 ens3 51.58 40.98 97.91 15.54 0.00 0.00 0.00 0.00 10:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 1833.45 1833.45 1741.96 1741.96 0.00 0.00 0.00 0.00 10:30:01 ens3 85.01 72.29 407.10 101.81 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 602.69 602.69 572.07 572.07 0.00 0.00 0.00 0.00 Average: ens3 77.84 63.55 475.65 43.90 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-53475) 03/27/26 _x86_64_ (4 CPU) 09:58:19 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:10 all 18.21 0.00 0.90 0.24 0.05 80.60 10:10:10 0 16.38 0.00 0.82 0.26 0.05 82.49 10:10:10 1 19.55 0.00 0.85 0.18 0.05 79.37 10:10:10 2 20.08 0.00 1.07 0.13 0.05 78.67 10:10:10 3 16.82 0.00 0.87 0.37 0.05 81.88 10:20:10 all 72.28 0.00 2.30 0.13 0.14 25.15 10:20:10 0 73.73 0.00 2.53 0.24 0.14 23.36 10:20:10 1 73.06 0.00 2.34 0.26 0.14 24.21 10:20:10 2 69.15 0.00 2.18 0.02 0.14 28.52 10:20:10 3 73.17 0.00 2.14 0.03 0.14 24.52 10:30:01 all 51.34 0.00 2.31 0.06 0.10 46.19 10:30:01 0 49.57 0.00 2.53 0.04 0.10 47.76 10:30:01 1 50.05 0.00 2.03 0.08 0.10 47.75 10:30:01 2 51.94 0.00 2.59 0.03 0.10 45.35 10:30:01 3 53.82 0.00 2.10 0.08 0.10 43.89 Average: all 47.10 0.00 1.83 0.14 0.10 50.83 Average: 0 46.40 0.00 1.95 0.18 0.10 51.38 Average: 1 47.38 0.00 1.73 0.17 0.10 50.62 Average: 2 46.88 0.00 1.94 0.06 0.09 51.02 Average: 3 47.72 0.00 1.70 0.16 0.10 50.32