---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12230 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: 5600.00 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 9.0G 69G 12% / 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 610 11954 4 3424 15036 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:11:4d:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84809sec preferred_lft 84809sec inet6 fe80::f816:3eff:fe11:4d8c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:7a:1b:53:09:4d 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-12230) 12/10/25 _x86_64_ (4 CPU) 08:04:09 LINUX RESTART (4 CPU) 08:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:15 1.36 0.01 1.35 0.01 0.12 16.96 0.99 08:30:24 45.23 3.97 40.04 1.22 248.09 3845.10 1043.60 Average: 23.47 2.00 20.84 0.62 125.07 1946.01 526.37 08:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:15 13485148 15549392 465636 2.84 58312 2230208 1134612 6.51 395924 2247264 216 08:30:24 12303180 15455544 508000 3.10 114300 3203348 1026248 5.89 660028 3061448 28632 Average: 12894164 15502468 486818 2.97 86306 2716778 1080430 6.20 527976 2654356 14424 08:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:20:15 ens3 0.41 0.13 0.11 0.06 0.00 0.00 0.00 0.00 08:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:24 lo 0.71 0.71 0.08 0.08 0.00 0.00 0.00 0.00 08:30:24 ens3 59.73 48.42 573.40 11.73 0.00 0.00 0.00 0.00 08:30:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 30.30 24.46 289.00 5.94 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-12230) 12/10/25 _x86_64_ (4 CPU) 08:04:09 LINUX RESTART (4 CPU) 08:10:14 CPU %user %nice %system %iowait %steal %idle 08:20:15 all 0.23 0.00 0.02 0.01 0.02 99.71 08:20:15 0 0.02 0.00 0.02 0.00 0.02 99.95 08:20:15 1 0.41 0.00 0.03 0.00 0.03 99.53 08:20:15 2 0.19 0.00 0.02 0.04 0.02 99.73 08:20:15 3 0.31 0.00 0.03 0.01 0.02 99.64 08:30:24 all 17.77 0.00 0.79 0.48 0.05 80.90 08:30:24 0 16.99 0.00 0.74 0.19 0.05 82.03 08:30:24 1 21.48 0.00 0.83 0.28 0.07 77.34 08:30:24 2 14.73 0.00 0.74 0.43 0.05 84.05 08:30:24 3 17.88 0.00 0.86 1.01 0.05 80.20 Average: all 9.06 0.00 0.41 0.25 0.04 90.24 Average: 0 8.57 0.00 0.38 0.10 0.03 90.92 Average: 1 11.01 0.00 0.43 0.14 0.05 88.36 Average: 2 7.51 0.00 0.38 0.24 0.03 91.84 Average: 3 9.15 0.00 0.45 0.51 0.04 89.86