---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-487101 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 645 9500 4 5843 15001 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:3c:55:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84449sec preferred_lft 84449sec inet6 fe80::f816:3eff:fe3c:555d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:bf:48:df:b8:af 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-487101) 03/16/26 _x86_64_ (4 CPU) 05:12:30 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 11.83 0.03 10.05 1.76 0.63 846.05 40164.43 05:40:01 34.66 0.18 30.30 4.18 5.80 7332.59 28221.79 Average: 23.25 0.10 20.17 2.97 3.21 4089.48 34192.81 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 9611572 13032544 2926424 17.87 130912 3412512 3225976 18.52 678756 5684692 32 05:40:01 7398772 13027732 2920636 17.84 166892 5477812 3001708 17.23 1539400 6929184 193708 Average: 8505172 13030138 2923530 17.86 148902 4445162 3113842 17.87 1109078 6306938 96870 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 49.21 49.21 12.13 12.13 0.00 0.00 0.00 0.00 05:30:01 ens3 12.46 9.52 9.27 3.05 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 1922.27 1922.27 1826.59 1826.59 0.00 0.00 0.00 0.00 05:40:01 ens3 72.57 57.22 468.15 15.27 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 985.79 985.79 919.40 919.40 0.00 0.00 0.00 0.00 Average: ens3 42.52 33.37 238.72 9.16 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-487101) 03/16/26 _x86_64_ (4 CPU) 05:12:30 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 20.57 0.00 0.88 0.07 0.09 78.40 05:30:01 0 20.49 0.00 0.85 0.06 0.09 78.51 05:30:01 1 19.69 0.00 0.89 0.13 0.10 79.19 05:30:01 2 21.03 0.00 1.01 0.05 0.09 77.82 05:30:01 3 21.06 0.00 0.75 0.04 0.09 78.07 05:40:01 all 47.60 0.00 2.35 0.12 0.10 49.83 05:40:01 0 46.77 0.00 2.13 0.03 0.10 50.96 05:40:01 1 48.71 0.00 2.18 0.23 0.09 48.79 05:40:01 2 47.19 0.00 2.48 0.14 0.10 50.09 05:40:01 3 47.74 0.00 2.59 0.08 0.09 49.49 Average: all 34.08 0.00 1.61 0.09 0.09 64.12 Average: 0 33.64 0.00 1.49 0.04 0.09 64.73 Average: 1 34.19 0.00 1.54 0.18 0.09 64.00 Average: 2 34.11 0.00 1.75 0.10 0.09 63.95 Average: 3 34.39 0.00 1.67 0.06 0.09 63.79