---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2988 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 666 10712 4 4610 14980 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:9f:e5:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84599sec preferred_lft 84599sec inet6 fe80::f816:3eff:fe9f:e5fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:04:ac:4e:10:88 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-2988) 01/22/26 _x86_64_ (4 CPU) 08:12:57 LINUX RESTART (4 CPU) 08:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:22 13.11 1.93 10.19 0.99 127.42 2858.57 258.59 08:40:01 29.37 0.96 24.18 4.23 31.22 4592.31 2636.39 Average: 21.01 1.46 16.99 2.56 80.66 3701.32 1414.41 08:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:22 10503272 13711756 2248356 13.73 131456 3203556 2829496 16.24 586244 4905964 34524 08:40:01 11028428 15388408 563780 3.44 165828 4236352 1096476 6.29 896524 3961932 236 Average: 10765850 14550082 1406068 8.59 148642 3719954 1962986 11.27 741384 4433948 17380 08:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:22 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 08:30:22 ens3 89.85 70.81 495.23 19.05 0.00 0.00 0.00 0.00 08:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1636.60 1636.60 1554.84 1554.84 0.00 0.00 0.00 0.00 08:40:01 ens3 98.61 80.50 421.90 97.33 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 796.24 796.24 755.86 755.86 0.00 0.00 0.00 0.00 Average: ens3 94.11 75.52 459.58 57.10 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-2988) 01/22/26 _x86_64_ (4 CPU) 08:12:57 LINUX RESTART (4 CPU) 08:20:09 CPU %user %nice %system %iowait %steal %idle 08:30:22 all 73.31 0.00 2.50 0.06 0.09 24.05 08:30:22 0 72.66 0.00 2.40 0.10 0.09 24.75 08:30:22 1 72.36 0.00 2.51 0.07 0.09 24.96 08:30:22 2 74.07 0.00 2.63 0.02 0.09 23.19 08:30:22 3 74.12 0.00 2.46 0.04 0.09 23.29 08:40:01 all 60.22 0.00 2.58 0.12 0.09 36.99 08:40:01 0 56.69 0.00 2.52 0.17 0.09 40.52 08:40:01 1 59.97 0.00 2.48 0.19 0.09 37.28 08:40:01 2 61.78 0.00 2.29 0.03 0.09 35.81 08:40:01 3 62.44 0.00 3.02 0.08 0.09 34.36 Average: all 66.95 0.00 2.54 0.09 0.09 30.33 Average: 0 64.91 0.00 2.46 0.13 0.09 32.41 Average: 1 66.35 0.00 2.50 0.13 0.09 30.94 Average: 2 68.11 0.00 2.46 0.03 0.09 29.31 Average: 3 68.45 0.00 2.73 0.06 0.09 28.67