---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40785 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 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 659 10324 4 5005 14987 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:a1:8b:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84718sec preferred_lft 84718sec inet6 fe80::f816:3eff:fea1:8b9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:42:74:d9:bf:37 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-40785) 03/25/26 _x86_64_ (4 CPU) 10:14:29 LINUX RESTART (4 CPU) 10:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:10 3.56 0.07 3.31 0.18 7.26 512.31 33.54 10:40:11 16.35 0.51 14.73 1.11 18.77 2335.59 7797.67 Average: 9.90 0.29 8.97 0.64 12.97 1416.32 3883.12 10:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:10 10185476 13415064 2547152 15.56 116164 3272412 2810168 16.13 636436 5205216 30664 10:40:11 8552556 12461144 3496956 21.36 134884 3896492 3697872 21.23 837692 6599036 270832 Average: 9369016 12938104 3022054 18.46 125524 3584452 3254020 18.68 737064 5902126 150748 10:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:10 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 10:30:10 ens3 9.69 7.71 35.76 2.26 0.00 0.00 0.00 0.00 10:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:11 lo 378.95 378.95 360.49 360.49 0.00 0.00 0.00 0.00 10:40:11 ens3 37.32 27.61 407.97 3.70 0.00 0.00 0.00 0.00 10:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 188.19 188.19 178.92 178.92 0.00 0.00 0.00 0.00 Average: ens3 23.39 17.58 220.31 2.98 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-40785) 03/25/26 _x86_64_ (4 CPU) 10:14:29 LINUX RESTART (4 CPU) 10:20:00 CPU %user %nice %system %iowait %steal %idle 10:30:10 all 50.51 0.00 0.70 0.01 0.08 48.69 10:30:10 0 42.54 0.00 0.70 0.01 0.08 56.67 10:30:10 1 52.07 0.00 0.56 0.01 0.08 47.28 10:30:10 2 55.92 0.00 0.85 0.02 0.09 43.12 10:30:10 3 51.50 0.00 0.70 0.02 0.08 47.70 10:40:11 all 57.28 0.00 1.18 0.41 0.10 41.04 10:40:11 0 61.77 0.00 1.23 0.74 0.10 36.15 10:40:11 1 48.19 0.00 1.14 0.38 0.09 50.20 10:40:11 2 48.67 0.00 1.01 0.04 0.09 50.19 10:40:11 3 70.51 0.00 1.33 0.47 0.10 27.59 Average: all 53.87 0.00 0.94 0.21 0.09 44.90 Average: 0 52.07 0.00 0.96 0.38 0.09 46.50 Average: 1 50.15 0.00 0.85 0.19 0.09 48.73 Average: 2 52.32 0.00 0.93 0.03 0.09 46.63 Average: 3 60.92 0.00 1.01 0.24 0.09 37.74