---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34370 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 68G 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 699 10343 4 4945 14947 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:ce:8c:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84912sec preferred_lft 84912sec inet6 fe80::f816:3eff:fece:8c4d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:8f:c6:83:fd:b6 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-34370) 01/12/26 _x86_64_ (4 CPU) 20:06:16 LINUX RESTART (4 CPU) 20:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 16.24 0.92 13.82 1.50 422.96 3201.46 20938.93 20:30:05 25.49 0.59 21.03 3.88 21.24 3726.31 2610.19 Average: 20.89 0.75 17.45 2.69 220.89 3465.46 11719.44 20:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9701368 13454976 2500848 15.27 148128 3703452 2784272 15.98 808784 5440184 26976 20:30:05 10684300 15387828 561544 3.43 170960 4569580 1050744 6.03 1069088 4107504 3404 Average: 10192834 14421402 1531196 9.35 159544 4136516 1917508 11.01 938936 4773844 15190 20:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 20:20:01 ens3 81.71 59.06 352.30 17.99 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:05 lo 1607.42 1607.42 1519.44 1519.44 0.00 0.00 0.00 0.00 20:30:05 ens3 120.64 107.18 415.23 197.12 0.00 0.00 0.00 0.00 20:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 809.26 809.26 764.36 764.36 0.00 0.00 0.00 0.00 Average: ens3 101.29 83.26 383.95 108.09 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-34370) 01/12/26 _x86_64_ (4 CPU) 20:06:16 LINUX RESTART (4 CPU) 20:10:05 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 74.34 0.00 2.49 0.05 0.08 23.04 20:20:01 0 77.31 0.00 2.78 0.03 0.09 19.79 20:20:01 1 73.68 0.00 2.48 0.07 0.08 23.69 20:20:01 2 74.17 0.00 2.42 0.06 0.08 23.27 20:20:01 3 72.21 0.00 2.28 0.04 0.08 25.39 20:30:05 all 48.00 0.00 2.23 0.07 0.08 49.61 20:30:05 0 47.17 0.00 2.11 0.05 0.08 50.59 20:30:05 1 48.73 0.00 1.90 0.15 0.07 49.15 20:30:05 2 46.42 0.00 2.48 0.04 0.08 50.98 20:30:05 3 49.69 0.00 2.45 0.06 0.08 47.72 Average: all 61.09 0.00 2.36 0.06 0.08 36.40 Average: 0 62.15 0.00 2.44 0.04 0.08 35.29 Average: 1 61.13 0.00 2.19 0.11 0.08 36.50 Average: 2 60.21 0.00 2.45 0.05 0.08 37.21 Average: 3 60.89 0.00 2.36 0.05 0.08 36.62