---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13833 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 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 659 10425 4 4904 14987 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:9b:51:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83560sec preferred_lft 83560sec inet6 fe80::f816:3eff:fe9b:51b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:f2:92:d6:7c:df 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-13833) 12/15/25 _x86_64_ (4 CPU) 11:51:17 LINUX RESTART (4 CPU) 12:00:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:31 13.60 0.01 1.35 12.23 0.19 16.87 244184.10 12:20:34 1.20 0.00 1.20 0.00 0.01 14.05 0.00 12:30:34 43.26 2.69 39.98 0.59 138.61 1878.18 1296.07 Average: 19.33 0.90 14.18 4.25 46.27 636.37 81407.55 12:00:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:31 13577304 15512788 503536 3.08 57100 2103824 1133036 6.50 335192 2201132 160 12:20:34 13576800 15512804 503512 3.08 57488 2103964 1133036 6.50 335580 2201944 8 12:30:34 12346276 14975260 1000112 6.11 98488 2721012 1505820 8.64 446600 3259032 227752 Average: 13166793 15333617 669053 4.09 71025 2309600 1257297 7.22 372457 2554036 75973 12:00:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:10:31 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 12:10:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:34 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:34 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 12:20:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:34 lo 0.29 0.29 0.04 0.04 0.00 0.00 0.00 0.00 12:30:34 ens3 47.37 36.96 485.10 8.33 0.00 0.00 0.00 0.00 12:30:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.16 0.16 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 15.93 12.37 161.73 2.79 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-13833) 12/15/25 _x86_64_ (4 CPU) 11:51:17 LINUX RESTART (4 CPU) 12:00:34 CPU %user %nice %system %iowait %steal %idle 12:10:31 all 0.24 0.00 0.03 0.04 0.02 99.68 12:10:31 0 0.02 0.00 0.04 0.09 0.01 99.84 12:10:31 1 0.13 0.00 0.03 0.01 0.02 99.81 12:10:31 2 0.03 0.00 0.03 0.00 0.01 99.92 12:10:31 3 0.77 0.00 0.04 0.03 0.02 99.13 12:20:34 all 0.03 0.00 0.02 0.01 0.02 99.93 12:20:34 0 0.01 0.00 0.01 0.00 0.01 99.97 12:20:34 1 0.02 0.00 0.02 0.02 0.01 99.92 12:20:34 2 0.02 0.00 0.02 0.00 0.01 99.93 12:20:34 3 0.07 0.00 0.02 0.00 0.02 99.89 12:30:34 all 4.54 0.00 0.37 0.24 0.03 94.82 12:30:34 0 2.72 0.00 0.33 0.05 0.02 96.88 12:30:34 1 3.71 0.00 0.22 0.03 0.02 96.02 12:30:34 2 4.65 0.00 0.50 0.70 0.02 94.13 12:30:34 3 7.07 0.00 0.44 0.18 0.04 92.26 Average: all 1.60 0.00 0.14 0.09 0.02 98.14 Average: 0 0.92 0.00 0.13 0.05 0.01 98.89 Average: 1 1.29 0.00 0.09 0.02 0.02 98.58 Average: 2 1.57 0.00 0.18 0.24 0.02 98.00 Average: 3 2.63 0.00 0.17 0.07 0.03 97.10