---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6364 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 670 10296 4 5021 14976 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:64:74:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84549sec preferred_lft 84549sec inet6 fe80::f816:3eff:fe64:7403/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:4f:98:22:a0:37 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-6364) 03/20/26 _x86_64_ (4 CPU) 08:55:17 LINUX RESTART (4 CPU) 09:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:07 30.91 2.19 14.41 14.32 332.62 3242.17 252226.37 09:20:07 32.52 0.81 28.14 3.57 28.40 4561.74 5346.77 Average: 31.72 1.50 21.27 8.95 180.54 3901.82 128812.29 09:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:07 10487088 13929580 2029376 12.39 134884 3434580 2348664 13.48 643084 4867908 18368 09:20:07 8396368 13068988 2880884 17.60 174016 4534792 3561556 20.44 968340 6523020 1904 Average: 9441728 13499284 2455130 14.99 154450 3984686 2955110 16.96 805712 5695464 10136 09:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:07 lo 1.09 1.09 0.11 0.11 0.00 0.00 0.00 0.00 09:10:07 ens3 104.99 81.11 747.11 18.30 0.00 0.00 0.00 0.00 09:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:07 lo 1533.55 1533.55 1461.92 1461.92 0.00 0.00 0.00 0.00 09:20:07 ens3 83.61 61.99 464.76 16.55 0.00 0.00 0.00 0.00 09:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 767.16 767.16 730.86 730.86 0.00 0.00 0.00 0.00 Average: ens3 94.30 71.55 605.96 17.42 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-6364) 03/20/26 _x86_64_ (4 CPU) 08:55:17 LINUX RESTART (4 CPU) 09:00:07 CPU %user %nice %system %iowait %steal %idle 09:10:07 all 53.62 0.00 1.89 0.38 0.09 44.03 09:10:07 0 54.36 0.00 1.89 0.30 0.09 43.37 09:10:07 1 54.26 0.00 1.91 0.66 0.09 43.08 09:10:07 2 51.55 0.00 1.70 0.34 0.09 46.33 09:10:07 3 54.31 0.00 2.05 0.22 0.09 43.33 09:20:07 all 70.05 0.00 2.78 0.07 0.09 27.01 09:20:07 0 67.50 0.00 2.75 0.05 0.09 29.61 09:20:07 1 69.58 0.00 2.71 0.06 0.09 27.56 09:20:07 2 71.99 0.00 2.56 0.11 0.09 25.25 09:20:07 3 71.15 0.00 3.10 0.08 0.09 25.59 Average: all 61.83 0.00 2.33 0.23 0.09 35.52 Average: 0 60.93 0.00 2.32 0.17 0.09 36.49 Average: 1 61.92 0.00 2.31 0.36 0.09 35.32 Average: 2 61.75 0.00 2.12 0.23 0.09 35.81 Average: 3 62.72 0.00 2.57 0.15 0.09 34.47