---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53650 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 640 9494 4 5853 15006 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:00:ab:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84400sec preferred_lft 84400sec inet6 fe80::f816:3eff:fe00:abeb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:dd:f1:5e:34:fc 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-53650) 03/28/26 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 25.95 2.60 20.14 3.22 149.39 3650.45 33548.63 01:30:10 20.42 0.17 17.44 2.81 4.89 1645.58 27701.78 Average: 23.15 1.36 18.77 3.01 76.09 2633.51 30582.91 01:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 10143240 13542988 2416712 14.76 130408 3393000 2757996 15.83 670448 5171848 15844 01:30:10 9533504 13312360 2643332 16.14 150748 3722880 2761356 15.85 796644 5598804 28948 Average: 9838372 13427674 2530022 15.45 140578 3557940 2759676 15.84 733546 5385326 22396 01:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 18.53 18.53 3.97 3.97 0.00 0.00 0.00 0.00 01:20:01 ens3 65.85 53.81 641.06 11.70 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:10 lo 1068.35 1068.35 988.29 988.29 0.00 0.00 0.00 0.00 01:30:10 ens3 34.20 24.93 261.89 6.37 0.00 0.00 0.00 0.00 01:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 551.04 551.04 503.25 503.25 0.00 0.00 0.00 0.00 Average: ens3 49.79 39.16 448.73 8.99 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-53650) 03/28/26 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:10 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 38.67 0.00 1.42 0.12 0.09 59.70 01:20:01 0 38.21 0.00 1.54 0.10 0.10 60.06 01:20:01 1 39.59 0.00 1.41 0.08 0.09 58.83 01:20:01 2 38.54 0.00 1.36 0.21 0.09 59.79 01:20:01 3 38.35 0.00 1.37 0.09 0.09 60.11 01:30:10 all 27.23 0.00 1.47 0.13 0.10 71.07 01:30:10 0 27.29 0.00 1.57 0.22 0.08 70.84 01:30:10 1 27.49 0.00 1.60 0.04 0.08 70.79 01:30:10 2 27.16 0.00 1.27 0.22 0.09 71.26 01:30:10 3 26.99 0.00 1.42 0.02 0.16 71.40 Average: all 32.87 0.00 1.44 0.12 0.10 65.46 Average: 0 32.68 0.00 1.56 0.16 0.09 65.52 Average: 1 33.45 0.00 1.51 0.06 0.09 64.90 Average: 2 32.77 0.00 1.31 0.22 0.09 65.61 Average: 3 32.59 0.00 1.40 0.05 0.13 65.83