---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53754 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 618 10624 4 4746 15028 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:8a:db:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84659sec preferred_lft 84659sec inet6 fe80::f816:3eff:fe8a:dbf4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:22:9c:7c:9a:ef 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-53754) 03/28/26 _x86_64_ (4 CPU) 09:54:26 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 3.86 0.10 3.60 0.15 8.49 610.29 26.23 10:20:01 12.52 0.52 11.20 0.80 18.99 1884.85 1532.36 Average: 8.19 0.31 7.40 0.48 13.74 1247.57 779.29 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8546016 11510088 4453536 27.20 112940 3017388 4606184 26.44 492528 6998436 724 10:20:01 9149928 12820400 3139164 19.17 131680 3666632 3288512 18.88 689984 6158616 269180 Average: 8847972 12165244 3796350 23.19 122310 3342010 3947348 22.66 591256 6578526 134952 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 10:10:01 ens3 6.46 6.26 35.92 1.96 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 318.08 318.08 302.98 302.98 0.00 0.00 0.00 0.00 10:20:01 ens3 34.46 24.76 413.09 3.54 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 159.33 159.33 151.68 151.68 0.00 0.00 0.00 0.00 Average: ens3 20.46 15.51 224.51 2.75 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-53754) 03/28/26 _x86_64_ (4 CPU) 09:54:26 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 48.90 0.00 0.74 0.01 0.07 50.27 10:10:01 0 59.08 0.00 0.84 0.02 0.07 39.99 10:10:01 1 48.69 0.00 0.67 0.02 0.07 50.55 10:10:01 2 50.54 0.00 0.72 0.01 0.07 48.67 10:10:01 3 37.29 0.00 0.74 0.02 0.07 61.88 10:20:01 all 54.54 0.00 1.12 0.04 0.07 44.23 10:20:01 0 47.98 0.00 1.02 0.04 0.07 50.89 10:20:01 1 43.45 0.00 1.05 0.04 0.07 55.38 10:20:01 2 45.79 0.00 1.32 0.06 0.07 52.77 10:20:01 3 80.92 0.00 1.08 0.03 0.08 17.88 Average: all 51.72 0.00 0.93 0.03 0.07 47.25 Average: 0 53.54 0.00 0.93 0.03 0.07 45.44 Average: 1 46.07 0.00 0.86 0.03 0.07 52.97 Average: 2 48.17 0.00 1.02 0.03 0.07 50.72 Average: 3 59.12 0.00 0.91 0.02 0.08 39.87