---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2455 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: 5599.94 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 66G 16% / 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 672 8879 4 6437 14974 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:3e:71:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84320sec preferred_lft 84320sec inet6 fe80::f816:3eff:fe3e:7168/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:e5:25:c0:c5:b3 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-2455) 04/13/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 21.16 0.07 18.60 2.49 6.39 2067.27 5822.84 05:50:13 29.50 0.03 26.53 2.95 0.43 4220.78 14290.08 Average: 25.41 0.05 22.64 2.72 3.36 3163.23 10131.99 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8182592 11995776 3960396 24.19 151060 3771128 4019420 23.07 749792 7042708 116716 05:50:13 6322804 11014284 4937576 30.16 166764 4593432 4881628 28.02 1008980 8594488 1440 Average: 7252698 11505030 4448986 27.17 158912 4182280 4450524 25.55 879386 7818598 59078 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1230.33 1230.33 1165.94 1165.94 0.00 0.00 0.00 0.00 05:40:01 ens3 42.50 35.48 25.09 11.70 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:13 lo 1238.47 1238.47 1174.19 1174.19 0.00 0.00 0.00 0.00 05:50:13 ens3 40.32 30.51 37.96 10.82 0.00 0.00 0.00 0.00 05:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1234.47 1234.47 1170.13 1170.13 0.00 0.00 0.00 0.00 Average: ens3 41.39 32.95 31.64 11.25 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-2455) 04/13/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 64.56 0.00 2.21 0.05 0.11 33.07 05:40:01 0 64.69 0.00 2.16 0.04 0.11 33.01 05:40:01 1 64.74 0.00 2.11 0.04 0.11 33.01 05:40:01 2 65.15 0.00 2.51 0.08 0.11 32.16 05:40:01 3 63.66 0.00 2.07 0.04 0.11 34.12 05:50:13 all 53.46 0.00 2.22 0.10 0.09 44.12 05:50:13 0 51.02 0.00 2.11 0.06 0.09 46.72 05:50:13 1 53.69 0.00 2.50 0.17 0.09 43.55 05:50:13 2 56.05 0.00 2.31 0.09 0.09 41.46 05:50:13 3 53.10 0.00 1.97 0.09 0.09 44.75 Average: all 58.91 0.00 2.22 0.08 0.10 38.70 Average: 0 57.73 0.00 2.14 0.05 0.10 39.99 Average: 1 59.11 0.00 2.31 0.10 0.10 38.37 Average: 2 60.52 0.00 2.40 0.09 0.10 36.89 Average: 3 58.28 0.00 2.02 0.07 0.10 39.53