---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8274 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 648 10451 4 4888 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:3a:e5:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84639sec preferred_lft 84639sec inet6 fe80::f816:3eff:fe3a:e5e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:05:eb:b5:2d:94 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-8274) 03/23/26 _x86_64_ (4 CPU) 07:12:01 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 3.83 0.07 3.59 0.17 7.09 552.22 74.37 07:40:15 19.13 0.50 17.08 1.55 18.54 2517.53 10202.09 Average: 11.57 0.29 10.41 0.87 12.88 1546.00 5195.55 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 10053816 13164292 2797460 17.09 116164 3154296 2968948 17.04 530636 5450264 22764 07:40:15 9568888 13553948 2403308 14.68 139424 3963872 2525540 14.50 728028 5666320 428808 Average: 9811352 13359120 2600384 15.88 127794 3559084 2747244 15.77 629332 5558292 225786 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 07:30:01 ens3 9.49 7.85 36.30 2.28 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:15 lo 458.66 458.66 436.92 436.92 0.00 0.00 0.00 0.00 07:40:15 ens3 42.52 31.77 470.93 4.85 0.00 0.00 0.00 0.00 07:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 232.23 232.23 221.12 221.12 0.00 0.00 0.00 0.00 Average: ens3 26.19 19.95 256.08 3.58 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-8274) 03/23/26 _x86_64_ (4 CPU) 07:12:01 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 48.05 0.00 0.72 0.02 0.09 51.11 07:30:01 0 39.47 0.00 0.69 0.02 0.09 59.73 07:30:01 1 46.47 0.00 0.65 0.02 0.09 52.77 07:30:01 2 59.36 0.00 0.86 0.03 0.11 39.64 07:30:01 3 46.91 0.00 0.70 0.02 0.09 52.29 07:40:15 all 52.73 0.00 1.37 0.05 0.10 45.75 07:40:15 0 45.67 0.00 1.13 0.02 0.09 53.08 07:40:15 1 60.80 0.00 1.42 0.04 0.11 37.63 07:40:15 2 59.04 0.00 1.54 0.10 0.11 39.21 07:40:15 3 45.39 0.00 1.39 0.04 0.09 53.09 Average: all 50.42 0.00 1.05 0.04 0.10 48.40 Average: 0 42.61 0.00 0.91 0.02 0.09 56.37 Average: 1 53.72 0.00 1.04 0.03 0.10 45.11 Average: 2 59.20 0.00 1.21 0.07 0.11 39.42 Average: 3 46.14 0.00 1.05 0.03 0.09 52.69