---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4634 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 682 10220 4 5086 14964 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:1b:6a:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84638sec preferred_lft 84638sec inet6 fe80::f816:3eff:fe1b:6a37/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:45:ba:6b:5c:42 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-4634) 01/26/26 _x86_64_ (4 CPU) 16:58:18 LINUX RESTART (4 CPU) 17:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:05 20.81 3.15 16.39 1.27 734.78 3967.94 3725.13 17:20:07 39.10 0.85 21.57 16.69 27.26 3477.04 238833.10 Average: 29.93 2.00 18.97 8.96 381.94 3723.13 120974.09 17:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:05 10149040 13592932 2366808 14.46 126888 3458592 2716364 15.59 749468 5109448 25576 17:20:07 8801340 13187512 2763288 16.88 167504 4277160 2852836 16.38 997696 6090708 12348 Average: 9475190 13390222 2565048 15.67 147196 3867876 2784600 15.98 873582 5600078 18962 17:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:05 lo 0.97 0.97 0.11 0.11 0.00 0.00 0.00 0.00 17:10:05 ens3 101.51 78.33 823.69 15.46 0.00 0.00 0.00 0.00 17:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:07 lo 1394.54 1394.54 1327.98 1327.98 0.00 0.00 0.00 0.00 17:20:07 ens3 81.16 62.82 367.51 17.12 0.00 0.00 0.00 0.00 17:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 695.95 695.95 662.32 662.32 0.00 0.00 0.00 0.00 Average: ens3 91.36 70.60 596.19 16.29 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-4634) 01/26/26 _x86_64_ (4 CPU) 16:58:18 LINUX RESTART (4 CPU) 17:00:01 CPU %user %nice %system %iowait %steal %idle 17:10:05 all 43.42 0.00 1.61 0.24 0.07 54.65 17:10:05 0 41.97 0.00 1.59 0.28 0.07 56.09 17:10:05 1 43.39 0.00 1.87 0.09 0.07 54.58 17:10:05 2 44.44 0.00 1.50 0.51 0.07 53.47 17:10:05 3 43.89 0.00 1.48 0.09 0.07 54.47 17:20:07 all 69.94 0.00 2.72 0.09 0.11 27.14 17:20:07 0 68.23 0.00 2.92 0.05 0.11 28.69 17:20:07 1 69.62 0.00 2.77 0.11 0.11 27.40 17:20:07 2 73.66 0.00 2.71 0.07 0.11 23.45 17:20:07 3 68.25 0.00 2.48 0.15 0.11 29.00 Average: all 56.65 0.00 2.16 0.17 0.09 40.93 Average: 0 55.08 0.00 2.25 0.17 0.09 42.42 Average: 1 56.46 0.00 2.32 0.10 0.09 41.03 Average: 2 59.01 0.00 2.10 0.29 0.09 38.50 Average: 3 56.03 0.00 1.98 0.12 0.09 41.78