---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2289 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 8.5G 69G 11% / 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 556 12457 4 2975 15104 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:ee:50:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82698sec preferred_lft 82698sec inet6 fe80::f816:3eff:feee:5039/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:ef:eb:41:02:f3 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-4g-2289) 11/29/25 _x86_64_ (4 CPU) 10:36:55 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:00 18.02 0.63 6.15 11.24 658.93 933.56 252801.50 11:00:00 1.41 0.00 1.39 0.02 0.04 16.75 364.51 11:10:00 1.33 0.00 1.31 0.01 0.00 15.39 0.12 11:20:00 1.38 0.00 1.36 0.01 0.01 15.67 0.12 11:30:00 1.41 0.00 1.41 0.00 0.00 15.89 0.00 Average: 4.71 0.13 2.32 2.26 131.79 199.45 50632.41 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:00 12865952 15557536 423360 2.59 93184 2794496 972788 5.58 548612 2643084 12 11:00:00 12865448 15557800 423196 2.58 93832 2794608 972792 5.58 549252 2641976 128 11:10:00 12865196 15558084 422900 2.58 94356 2794612 972792 5.58 549768 2643284 8 11:20:00 12863964 15557396 423512 2.59 94872 2794628 972856 5.58 550292 2645100 128 11:30:00 12863212 15557176 423708 2.59 95424 2794636 972856 5.58 550804 2645804 8 Average: 12864754 15557598 423335 2.59 94334 2794596 972817 5.58 549746 2643850 57 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:00 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 10:50:00 ens3 14.69 8.82 207.16 0.67 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:00 ens3 0.34 0.09 0.05 0.02 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:00 ens3 0.41 0.11 0.08 0.04 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:00 ens3 0.49 0.14 0.12 0.07 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:30:00 ens3 0.33 0.08 0.05 0.02 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 3.25 1.85 41.49 0.16 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-4g-2289) 11/29/25 _x86_64_ (4 CPU) 10:36:55 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:00 all 0.54 0.00 0.30 0.53 0.02 98.61 10:50:00 0 0.31 0.00 0.30 0.65 0.01 98.73 10:50:00 1 0.36 0.00 0.25 0.21 0.02 99.15 10:50:00 2 0.74 0.00 0.35 0.83 0.03 98.05 10:50:00 3 0.76 0.00 0.30 0.41 0.03 98.51 11:00:00 all 0.09 0.00 0.02 0.01 0.02 99.86 11:00:00 0 0.01 0.00 0.02 0.00 0.01 99.96 11:00:00 1 0.09 0.00 0.03 0.00 0.03 99.85 11:00:00 2 0.01 0.00 0.02 0.02 0.01 99.93 11:00:00 3 0.24 0.00 0.04 0.00 0.03 99.69 11:10:00 all 0.05 0.00 0.02 0.01 0.02 99.90 11:10:00 0 0.12 0.00 0.03 0.00 0.04 99.82 11:10:00 1 0.05 0.00 0.02 0.00 0.02 99.91 11:10:00 2 0.01 0.00 0.02 0.03 0.01 99.93 11:10:00 3 0.03 0.00 0.02 0.00 0.02 99.94 11:20:00 all 0.10 0.00 0.02 0.01 0.02 99.86 11:20:00 0 0.01 0.00 0.01 0.00 0.01 99.96 11:20:00 1 0.35 0.00 0.04 0.00 0.05 99.56 11:20:00 2 0.00 0.00 0.01 0.03 0.01 99.96 11:20:00 3 0.02 0.00 0.01 0.00 0.02 99.96 11:30:00 all 0.12 0.00 0.02 0.01 0.02 99.83 11:30:00 0 0.02 0.00 0.01 0.03 0.01 99.93 11:30:00 1 0.44 0.00 0.03 0.01 0.04 99.49 11:30:00 2 0.01 0.00 0.02 0.00 0.02 99.94 11:30:00 3 0.01 0.00 0.02 0.00 0.02 99.95 Average: all 0.18 0.00 0.08 0.11 0.02 99.61 Average: 0 0.09 0.00 0.07 0.14 0.02 99.68 Average: 1 0.26 0.00 0.07 0.04 0.03 99.59 Average: 2 0.16 0.00 0.08 0.18 0.01 99.56 Average: 3 0.21 0.00 0.08 0.08 0.02 99.61