---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1526 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 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 662 9016 4 6310 14984 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:a2:d0:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84561sec preferred_lft 84561sec inet6 fe80::f816:3eff:fea2:d0f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:b0:b7:a3:bb:73 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-1526) 04/09/26 _x86_64_ (4 CPU) 14:08:40 LINUX RESTART (4 CPU) 14:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:10 36.51 3.86 29.48 3.16 195.35 5149.13 6545.82 14:30:01 28.60 0.01 25.65 2.94 0.18 2369.03 12742.71 Average: 32.58 1.95 27.58 3.05 98.43 3768.60 9623.05 14:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:10 9555204 13003080 2956464 18.06 132808 3445892 3055836 17.54 659196 5786604 31060 14:30:01 8957744 12805084 3151068 19.25 152784 3793368 3320668 19.06 764316 6245092 36076 Average: 9256474 12904082 3053766 18.65 142796 3619630 3188252 18.30 711756 6015848 33568 14:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:10 lo 1533.28 1533.28 1454.76 1454.76 0.00 0.00 0.00 0.00 14:20:10 ens3 101.10 79.49 980.50 14.51 0.00 0.00 0.00 0.00 14:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1300.82 1300.82 1238.69 1238.69 0.00 0.00 0.00 0.00 14:30:01 ens3 23.03 20.64 30.41 6.28 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1417.85 1417.85 1347.47 1347.47 0.00 0.00 0.00 0.00 Average: ens3 62.34 50.27 508.71 10.43 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-1526) 04/09/26 _x86_64_ (4 CPU) 14:08:40 LINUX RESTART (4 CPU) 14:10:10 CPU %user %nice %system %iowait %steal %idle 14:20:10 all 67.55 0.00 2.55 0.14 0.11 29.66 14:20:10 0 67.06 0.00 2.66 0.07 0.11 30.10 14:20:10 1 69.08 0.00 2.36 0.08 0.11 28.37 14:20:10 2 67.13 0.00 2.67 0.19 0.11 29.90 14:20:10 3 66.92 0.00 2.50 0.22 0.11 30.25 14:30:01 all 64.59 0.00 2.42 0.05 0.12 32.83 14:30:01 0 64.05 0.00 2.57 0.05 0.11 33.22 14:30:01 1 64.94 0.00 2.47 0.05 0.12 32.42 14:30:01 2 64.21 0.00 2.25 0.05 0.11 33.37 14:30:01 3 65.16 0.00 2.40 0.04 0.12 32.29 Average: all 66.08 0.00 2.49 0.09 0.11 31.23 Average: 0 65.56 0.00 2.61 0.06 0.11 31.65 Average: 1 67.03 0.00 2.42 0.06 0.11 30.38 Average: 2 65.68 0.00 2.46 0.12 0.11 31.62 Average: 3 66.04 0.00 2.45 0.13 0.11 31.27