---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1182 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: 5599.94 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 643 10361 4 4984 15003 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:d6:5d:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84809sec preferred_lft 84809sec inet6 fe80::f816:3eff:fed6:5d5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:3d:44:7a:6c:e2 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-1182) 04/08/26 _x86_64_ (4 CPU) 06:29:31 LINUX RESTART (4 CPU) 06:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 83.80 22.21 47.61 13.98 1715.19 5079.21 243856.76 06:50:01 2.82 0.04 2.71 0.07 3.03 382.30 10.37 Average: 43.33 11.13 25.17 7.03 859.57 2732.00 121998.55 06:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 10397488 13551872 2410408 14.72 115904 3188324 2811824 16.14 594240 5025832 28480 06:50:01 9628948 12869512 3092124 18.89 118928 3264396 3266960 18.75 616848 5768324 8736 Average: 10013218 13210692 2751266 16.80 117416 3226360 3039392 17.45 605544 5397078 18608 06:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 0.56 0.56 0.07 0.07 0.00 0.00 0.00 0.00 06:40:01 ens3 107.31 83.74 1015.81 15.34 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 0.49 0.49 0.36 0.36 0.00 0.00 0.00 0.00 06:50:01 ens3 2.94 2.56 1.99 0.79 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.53 0.53 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 55.15 43.17 509.17 8.07 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-1182) 04/08/26 _x86_64_ (4 CPU) 06:29:31 LINUX RESTART (4 CPU) 06:30:00 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 49.82 0.07 1.29 0.93 0.08 47.82 06:40:01 0 51.69 0.00 1.19 0.31 0.08 46.73 06:40:01 1 55.59 0.26 1.38 1.32 0.08 41.37 06:40:01 2 44.74 0.00 1.20 0.20 0.08 53.79 06:40:01 3 47.24 0.01 1.40 1.88 0.08 49.39 06:50:01 all 44.08 0.00 0.41 0.01 0.07 55.43 06:50:01 0 30.63 0.00 0.46 0.03 0.06 68.82 06:50:01 1 27.19 0.00 0.36 0.02 0.07 72.36 06:50:01 2 49.34 0.00 0.38 0.01 0.06 50.22 06:50:01 3 69.24 0.00 0.43 0.01 0.07 30.26 Average: all 46.94 0.03 0.85 0.47 0.07 51.63 Average: 0 41.16 0.00 0.83 0.17 0.07 57.78 Average: 1 41.35 0.13 0.87 0.67 0.07 56.92 Average: 2 47.04 0.00 0.79 0.10 0.07 52.00 Average: 3 58.24 0.00 0.91 0.94 0.08 39.82