---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54214 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: 5599.86 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 625 10460 4 4903 15020 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:4e:2a:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84579sec preferred_lft 84579sec inet6 fe80::f816:3eff:fe4e:2a99/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:69:00:b8:27:0a 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-54214) 03/30/26 _x86_64_ (4 CPU) 09:03:31 LINUX RESTART (4 CPU) 09:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:01 12.38 1.97 9.66 0.74 127.26 2721.69 527.11 09:30:01 24.04 0.78 20.20 3.06 28.00 3314.99 9619.39 Average: 18.28 1.37 15.00 1.92 77.00 3022.13 5131.35 09:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:01 10438372 13763216 2196468 13.42 132092 3323404 2530148 14.52 608004 4951468 22864 09:30:01 9124984 13330524 2621164 16.01 170620 4086880 2762024 15.85 835052 5920680 14752 Average: 9781678 13546870 2408816 14.71 151356 3705142 2646086 15.19 721528 5436074 18808 09:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 09:20:01 ens3 78.91 63.95 592.73 16.50 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 1474.05 1474.05 1405.30 1405.30 0.00 0.00 0.00 0.00 09:30:01 ens3 67.47 49.71 325.56 17.07 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 746.98 746.98 711.69 711.69 0.00 0.00 0.00 0.00 Average: ens3 73.12 56.74 457.43 16.79 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-54214) 03/30/26 _x86_64_ (4 CPU) 09:03:31 LINUX RESTART (4 CPU) 09:10:16 CPU %user %nice %system %iowait %steal %idle 09:20:01 all 56.54 0.00 2.06 0.06 0.10 41.24 09:20:01 0 54.85 0.00 1.89 0.07 0.10 43.10 09:20:01 1 56.99 0.00 2.13 0.05 0.10 40.72 09:20:01 2 57.05 0.00 2.13 0.07 0.10 40.65 09:20:01 3 57.27 0.00 2.07 0.05 0.10 40.50 09:30:01 all 69.51 0.00 2.85 0.05 0.11 27.48 09:30:01 0 68.45 0.00 2.93 0.04 0.11 28.47 09:30:01 1 70.32 0.00 2.80 0.06 0.11 26.71 09:30:01 2 70.99 0.00 2.89 0.04 0.11 25.96 09:30:01 3 68.27 0.00 2.79 0.04 0.11 28.78 Average: all 63.10 0.00 2.46 0.05 0.11 34.28 Average: 0 61.74 0.00 2.41 0.05 0.10 35.69 Average: 1 63.74 0.00 2.47 0.06 0.11 33.63 Average: 2 64.09 0.00 2.52 0.06 0.11 33.23 Average: 3 62.84 0.00 2.44 0.05 0.10 34.57