---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53750 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 656 10552 4 4780 14990 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:50:fd:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84434sec preferred_lft 84434sec inet6 fe80::f816:3eff:fe50:fdcf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:e2:75:fc:15:e5 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-53750) 03/28/26 _x86_64_ (4 CPU) 09:10:27 LINUX RESTART (4 CPU) 09:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:00 14.68 1.36 12.27 1.04 74.97 3300.04 500.50 09:40:13 29.21 0.77 24.26 4.18 26.34 4228.77 5802.10 Average: 22.10 1.06 18.40 2.65 50.12 3774.61 3209.57 09:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:00 10281224 13773444 2184640 13.34 147792 3444808 2723152 15.63 629368 5048564 101228 09:40:13 10765636 15301256 649772 3.97 181052 4385988 1097568 6.30 908220 4201980 12 Average: 10523430 14537350 1417206 8.66 164422 3915398 1910360 10.97 768794 4625272 50620 09:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:00 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 09:30:00 ens3 52.19 41.55 151.89 17.00 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:13 lo 1643.46 1643.46 1561.16 1561.16 0.00 0.00 0.00 0.00 09:40:13 ens3 82.97 69.65 400.74 95.43 0.00 0.00 0.00 0.00 09:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 840.48 840.48 797.81 797.81 0.00 0.00 0.00 0.00 Average: ens3 67.92 55.91 279.05 57.08 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-53750) 03/28/26 _x86_64_ (4 CPU) 09:10:27 LINUX RESTART (4 CPU) 09:20:13 CPU %user %nice %system %iowait %steal %idle 09:30:00 all 72.89 0.00 2.54 0.08 0.13 24.36 09:30:00 0 73.25 0.00 2.47 0.06 0.14 24.08 09:30:00 1 73.53 0.00 2.85 0.02 0.12 23.47 09:30:00 2 71.39 0.00 2.03 0.23 0.13 26.22 09:30:00 3 73.40 0.00 2.79 0.02 0.11 23.67 09:40:13 all 55.79 0.00 2.34 0.07 0.09 41.70 09:40:13 0 52.88 0.00 2.34 0.06 0.09 44.63 09:40:13 1 56.68 0.00 2.14 0.08 0.09 41.01 09:40:13 2 57.78 0.00 2.42 0.04 0.09 39.66 09:40:13 3 55.84 0.00 2.48 0.11 0.10 41.48 Average: all 64.14 0.00 2.44 0.08 0.11 33.23 Average: 0 62.81 0.00 2.40 0.06 0.11 34.62 Average: 1 64.91 0.00 2.49 0.05 0.11 32.44 Average: 2 64.43 0.00 2.23 0.13 0.11 33.09 Average: 3 64.42 0.00 2.63 0.07 0.10 32.78