---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6073 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 9.4G 69G 13% / 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 619 11698 4 3671 15027 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:ed:1c:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84602sec preferred_lft 84602sec inet6 fe80::f816:3eff:feed:1c9f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:a8:ab:b2:af:89 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-6073) 03/19/26 _x86_64_ (4 CPU) 13:53:20 LINUX RESTART (4 CPU) 14:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:00 30.13 5.09 23.65 1.38 282.81 5385.35 5224.01 14:20:00 18.98 0.06 16.90 2.03 6.19 2198.13 1184.44 Average: 24.56 2.57 20.28 1.70 144.50 3791.74 3204.23 14:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:00 10715304 13916404 2046564 12.50 116448 3242396 2674324 15.35 546624 4774076 133680 14:20:00 9270968 12864284 3094648 18.90 133524 3585980 3106780 17.83 677192 6032812 364 Average: 9993136 13390344 2570606 15.70 124986 3414188 2890552 16.59 611908 5403444 67022 14:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:00 lo 317.67 317.67 302.32 302.32 0.00 0.00 0.00 0.00 14:10:00 ens3 115.47 86.12 1194.26 14.59 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 1263.58 1263.58 1198.32 1198.32 0.00 0.00 0.00 0.00 14:20:00 ens3 23.07 19.79 19.36 10.54 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 790.62 790.62 750.32 750.32 0.00 0.00 0.00 0.00 Average: ens3 69.27 52.95 606.81 12.56 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-6073) 03/19/26 _x86_64_ (4 CPU) 13:53:20 LINUX RESTART (4 CPU) 14:00:00 CPU %user %nice %system %iowait %steal %idle 14:10:00 all 24.24 0.00 1.19 8.31 0.08 66.17 14:10:00 0 25.17 0.00 1.08 6.73 0.07 66.95 14:10:00 1 24.97 0.00 1.38 7.33 0.08 66.24 14:10:00 2 24.12 0.00 1.26 9.56 0.09 64.97 14:10:00 3 22.71 0.00 1.06 9.62 0.08 66.53 14:20:00 all 45.88 0.00 1.83 0.53 0.20 51.55 14:20:00 0 46.29 0.00 1.81 0.74 0.23 50.93 14:20:00 1 46.28 0.00 1.71 0.23 0.17 51.62 14:20:00 2 44.68 0.00 1.75 0.21 0.23 53.13 14:20:00 3 46.28 0.00 2.07 0.94 0.17 50.54 Average: all 35.06 0.00 1.51 4.42 0.14 58.87 Average: 0 35.73 0.00 1.44 3.74 0.15 58.94 Average: 1 35.62 0.00 1.54 3.79 0.12 58.93 Average: 2 34.39 0.00 1.51 4.89 0.16 59.05 Average: 3 34.50 0.00 1.57 5.28 0.12 58.53