---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2696 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 66G 16% / 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 648 8907 4 6432 14998 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:33:cc:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84223sec preferred_lft 84223sec inet6 fe80::f816:3eff:fe33:cc6c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:03:0b:83:3b:76 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-2696) 04/14/26 _x86_64_ (4 CPU) 05:23:11 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:00 22.60 0.07 19.74 2.80 6.48 2229.20 5628.27 05:50:00 32.70 0.01 29.40 3.29 0.37 4433.83 30591.58 Average: 27.66 0.04 24.57 3.05 3.42 3331.98 18115.24 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:00 8538608 12205552 3751356 22.91 141816 3641712 3779632 21.70 725640 6715936 17420 05:50:00 7779712 12462644 3489320 21.31 165708 4586848 3441968 19.76 1007168 7143608 1788 Average: 8159160 12334098 3620338 22.11 153762 4114280 3610800 20.73 866404 6929772 9604 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:00 lo 1301.36 1301.36 1233.91 1233.91 0.00 0.00 0.00 0.00 05:40:00 ens3 54.51 42.48 55.64 14.09 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:00 lo 1387.65 1387.65 1320.89 1320.89 0.00 0.00 0.00 0.00 05:50:00 ens3 40.63 32.10 40.01 11.61 0.00 0.00 0.00 0.00 05:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1344.52 1344.52 1277.42 1277.42 0.00 0.00 0.00 0.00 Average: ens3 47.57 37.29 47.82 12.85 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-2696) 04/14/26 _x86_64_ (4 CPU) 05:23:11 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:00 all 68.11 0.00 2.42 0.12 0.13 29.23 05:40:00 0 68.19 0.00 2.42 0.11 0.13 29.15 05:40:00 1 67.15 0.00 2.64 0.18 0.13 29.90 05:40:00 2 68.84 0.00 2.59 0.12 0.13 28.34 05:40:00 3 68.28 0.00 2.02 0.06 0.13 29.52 05:50:00 all 61.23 0.00 2.51 0.26 0.10 35.90 05:50:00 0 62.30 0.00 2.49 0.33 0.10 34.79 05:50:00 1 61.76 0.00 2.61 0.16 0.10 35.37 05:50:00 2 61.42 0.00 2.45 0.39 0.10 35.64 05:50:00 3 59.45 0.00 2.49 0.16 0.10 37.80 Average: all 64.67 0.00 2.46 0.19 0.11 32.56 Average: 0 65.25 0.00 2.45 0.22 0.12 31.97 Average: 1 64.45 0.00 2.63 0.17 0.11 32.63 Average: 2 65.13 0.00 2.52 0.25 0.11 31.99 Average: 3 63.86 0.00 2.26 0.11 0.11 33.66