---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53448 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 12G 67G 15% / 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 647 9588 4 5753 14999 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:4e:f8:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84692sec preferred_lft 84692sec inet6 fe80::f816:3eff:fe4e:f84f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:1a:cd:02:68:d9 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-53448) 03/27/26 _x86_64_ (4 CPU) 08:59:57 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:14 62.50 11.48 47.23 3.79 1497.68 15781.57 33671.71 09:20:31 14.48 0.15 12.14 2.20 4.32 1321.05 21621.90 Average: 38.41 5.79 29.63 2.99 748.65 8528.62 27627.90 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:14 9502068 12821100 3138992 19.17 123572 3328516 3309352 19.00 647936 5839152 4940 09:20:31 9353904 13100816 2856036 17.44 142684 3709064 3117448 17.89 769192 5849956 116192 Average: 9427986 12960958 2997514 18.31 133128 3518790 3213400 18.44 708564 5844554 60566 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:14 lo 16.97 16.97 3.68 3.68 0.00 0.00 0.00 0.00 09:10:14 ens3 104.36 81.26 953.09 16.30 0.00 0.00 0.00 0.00 09:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:31 lo 777.65 777.65 708.89 708.89 0.00 0.00 0.00 0.00 09:20:31 ens3 24.77 17.48 236.88 3.13 0.00 0.00 0.00 0.00 09:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 398.50 398.50 357.40 357.40 0.00 0.00 0.00 0.00 Average: ens3 64.44 49.27 593.86 9.70 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-53448) 03/27/26 _x86_64_ (4 CPU) 08:59:57 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:14 all 33.95 0.00 1.60 0.81 0.09 63.54 09:10:14 0 33.96 0.00 1.45 0.86 0.10 63.64 09:10:14 1 33.49 0.00 1.50 0.59 0.09 64.32 09:10:14 2 34.68 0.00 1.62 0.52 0.10 63.08 09:10:14 3 33.68 0.00 1.83 1.27 0.09 63.14 09:20:31 all 24.55 0.00 1.36 0.13 0.09 73.87 09:20:31 0 23.90 0.00 1.36 0.10 0.09 74.54 09:20:31 1 25.33 0.00 1.58 0.11 0.09 72.90 09:20:31 2 24.27 0.00 1.29 0.09 0.09 74.25 09:20:31 3 24.72 0.00 1.20 0.20 0.10 73.78 Average: all 29.24 0.00 1.48 0.47 0.09 68.72 Average: 0 28.91 0.00 1.41 0.48 0.10 69.11 Average: 1 29.40 0.00 1.54 0.35 0.09 68.62 Average: 2 29.46 0.00 1.46 0.31 0.10 68.68 Average: 3 29.19 0.00 1.51 0.73 0.09 68.47