---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52977 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 678 10374 4 4935 14968 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:e4:95:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84752sec preferred_lft 84752sec inet6 fe80::f816:3eff:fee4:9539/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:aa:7f:cc:e3:8a 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-52977) 03/26/26 _x86_64_ (4 CPU) 00:48:12 LINUX RESTART (4 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 17.65 2.31 14.31 1.04 339.90 4137.95 697.15 01:10:05 28.28 0.79 23.91 3.58 23.78 4400.29 3386.00 Average: 22.97 1.55 19.11 2.31 181.76 4269.19 2042.30 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 10655524 14086880 1872168 11.43 140484 3413028 2167464 12.44 637608 4693764 36472 01:10:05 8498740 13171916 2777412 16.96 177084 4523232 2891360 16.60 966116 6409916 79084 Average: 9577132 13629398 2324790 14.20 158784 3968130 2529412 14.52 801862 5551840 57778 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.23 1.23 0.13 0.13 0.00 0.00 0.00 0.00 01:00:05 ens3 113.52 89.01 756.76 20.23 0.00 0.00 0.00 0.00 01:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:05 lo 1708.43 1708.43 1628.55 1628.55 0.00 0.00 0.00 0.00 01:10:05 ens3 87.62 65.14 426.05 17.33 0.00 0.00 0.00 0.00 01:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 855.29 855.29 814.77 814.77 0.00 0.00 0.00 0.00 Average: ens3 100.57 77.07 591.31 18.78 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-52977) 03/26/26 _x86_64_ (4 CPU) 00:48:12 LINUX RESTART (4 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 64.48 0.00 2.12 0.08 0.11 33.21 01:00:05 0 64.72 0.00 2.47 0.10 0.11 32.60 01:00:05 1 64.57 0.00 1.88 0.04 0.11 33.40 01:00:05 2 65.37 0.00 2.23 0.11 0.11 32.17 01:00:05 3 63.25 0.00 1.89 0.09 0.11 34.66 01:10:05 all 69.14 0.00 2.86 0.24 0.17 27.59 01:10:05 0 69.71 0.00 3.12 0.10 0.23 26.84 01:10:05 1 70.92 0.00 2.76 0.47 0.19 25.65 01:10:05 2 67.52 0.00 2.68 0.34 0.12 29.34 01:10:05 3 68.40 0.00 2.89 0.06 0.12 28.52 Average: all 66.81 0.00 2.49 0.16 0.14 30.40 Average: 0 67.21 0.00 2.79 0.10 0.17 29.72 Average: 1 67.75 0.00 2.32 0.26 0.15 29.52 Average: 2 66.44 0.00 2.46 0.23 0.12 30.75 Average: 3 65.82 0.00 2.39 0.08 0.12 31.60