---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-2952 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 17G 62G 21% / 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 695 11919 3 3374 14951 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:56:d7:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84238sec preferred_lft 84238sec inet6 fe80::f816:3eff:fe56:d70f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:7d:0d:f5:3a:98 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-16g-2952) 10/28/25 _x86_64_ (4 CPU) 20:05:35 LINUX RESTART (4 CPU) 20:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:21 92.81 21.87 66.46 4.48 806.01 27015.44 31969.74 20:30:01 25.95 6.00 18.93 1.01 114.94 500.18 640.80 20:40:01 35.07 0.39 20.63 14.06 9.20 789.87 213133.28 Average: 52.02 9.59 35.86 6.56 317.62 9727.46 82359.75 20:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:21 165656 3989744 11941056 72.93 260412 3514912 13258740 76.11 2033764 13556380 980 20:30:01 8500240 11456788 4480272 27.36 258408 2715372 6052544 34.74 2060668 5286116 82044 20:40:01 6421088 9431976 6506076 39.74 263848 2764152 7498216 43.04 2096484 7322060 1200 Average: 5028995 8292836 7642468 46.68 260889 2998145 8936500 51.30 2063639 8721519 28075 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:21 lo 15.68 15.68 14.09 14.09 0.00 0.00 0.00 0.00 20:20:21 ens3 46.99 32.90 734.30 3.46 0.00 0.00 0.00 0.00 20:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 34.90 34.90 15.92 15.92 0.00 0.00 0.00 0.00 20:30:01 ens3 1.69 1.67 0.39 1.51 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 lo 31.50 31.50 12.63 12.63 0.00 0.00 0.00 0.00 20:40:01 ens3 1.23 1.03 0.28 0.23 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 27.15 27.15 14.19 14.19 0.00 0.00 0.00 0.00 Average: ens3 17.13 12.21 253.08 1.75 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-16g-2952) 10/28/25 _x86_64_ (4 CPU) 20:05:35 LINUX RESTART (4 CPU) 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:20:21 all 56.87 0.00 2.63 1.55 0.13 38.82 20:20:21 0 54.75 0.00 2.71 1.94 0.13 40.48 20:20:21 1 55.43 0.00 2.67 1.47 0.13 40.29 20:20:21 2 59.35 0.00 2.68 1.50 0.13 36.33 20:20:21 3 57.94 0.00 2.46 1.27 0.14 38.18 20:30:01 all 36.70 0.00 1.80 0.08 0.15 61.27 20:30:01 0 36.16 0.00 1.72 0.04 0.15 61.93 20:30:01 1 37.09 0.00 2.05 0.16 0.15 60.55 20:30:01 2 36.76 0.00 1.77 0.07 0.15 61.25 20:30:01 3 36.79 0.00 1.66 0.07 0.14 61.34 20:40:01 all 34.61 0.00 1.41 0.08 0.13 63.77 20:40:01 0 34.14 0.00 1.29 0.15 0.13 64.28 20:40:01 1 34.79 0.00 1.56 0.07 0.13 63.45 20:40:01 2 34.97 0.00 1.42 0.05 0.13 63.43 20:40:01 3 34.52 0.00 1.37 0.07 0.12 63.92 Average: all 42.94 0.00 1.96 0.59 0.14 54.38 Average: 0 41.88 0.00 1.92 0.73 0.14 55.34 Average: 1 42.64 0.00 2.10 0.58 0.13 54.54 Average: 2 43.94 0.00 1.97 0.55 0.14 53.41 Average: 3 43.31 0.00 1.84 0.48 0.13 54.23