---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66242 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 676 10533 4 4779 14970 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:4c:19:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84336sec preferred_lft 84336sec inet6 fe80::f816:3eff:fe4c:1996/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:f2:de:c5:45:87 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-66242) 04/03/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:13 12.90 2.79 9.73 0.39 159.56 2488.15 198.07 15:00:17 11.13 0.45 9.61 1.07 16.42 2637.59 243.06 15:10:01 40.67 0.77 21.06 18.84 26.70 3799.48 252684.28 Average: 21.32 1.35 13.37 6.61 68.46 2964.01 82196.66 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:13 11597652 14401328 1563524 9.55 115276 2859420 2285840 13.12 462456 3991092 32776 15:00:17 10017504 13608944 2348396 14.34 153320 3531588 2855028 16.39 657856 5287680 31344 15:10:01 10834624 15367608 583304 3.56 176700 4389420 1110556 6.37 913756 4121956 8 Average: 10816593 14459293 1498408 9.15 148432 3593476 2083808 11.96 678023 4466909 21376 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:13 lo 0.37 0.37 0.04 0.04 0.00 0.00 0.00 0.00 14:50:13 ens3 59.80 49.38 675.31 9.04 0.00 0.00 0.00 0.00 14:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:17 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 15:00:17 ens3 68.60 54.06 139.67 18.04 0.00 0.00 0.00 0.00 15:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1467.16 1467.16 1391.19 1391.19 0.00 0.00 0.00 0.00 15:10:01 ens3 95.35 81.81 417.11 118.04 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 477.00 477.00 451.79 451.79 0.00 0.00 0.00 0.00 Average: ens3 74.29 61.48 412.00 47.45 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-66242) 04/03/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:13 all 10.47 0.00 0.49 0.08 0.03 88.92 14:50:13 0 11.33 0.00 0.38 0.03 0.03 88.22 14:50:13 1 9.99 0.00 0.48 0.17 0.04 89.31 14:50:13 2 10.13 0.00 0.62 0.07 0.03 89.15 14:50:13 3 10.42 0.00 0.48 0.06 0.03 89.01 15:00:17 all 74.11 0.00 2.23 0.03 0.11 23.52 15:00:17 0 73.47 0.00 2.26 0.03 0.11 24.13 15:00:17 1 74.12 0.00 2.41 0.02 0.11 23.34 15:00:17 2 73.39 0.00 2.00 0.02 0.10 24.49 15:00:17 3 75.46 0.00 2.26 0.03 0.11 22.14 15:10:01 all 45.01 0.00 2.08 0.15 0.08 52.68 15:10:01 0 42.16 0.00 1.69 0.19 0.08 55.88 15:10:01 1 47.14 0.00 2.09 0.19 0.09 50.49 15:10:01 2 46.58 0.00 2.08 0.08 0.08 51.17 15:10:01 3 44.16 0.00 2.47 0.11 0.08 53.17 Average: all 42.97 0.00 1.59 0.08 0.08 55.28 Average: 0 42.14 0.00 1.43 0.08 0.08 56.27 Average: 1 43.52 0.00 1.65 0.13 0.08 54.63 Average: 2 43.15 0.00 1.56 0.06 0.07 55.16 Average: 3 43.10 0.00 1.72 0.07 0.07 55.04