---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12017 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: 5600.00 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 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 622 10525 4 4841 15024 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:f0:d6:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84839sec preferred_lft 84839sec inet6 fe80::f816:3eff:fef0:d6ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:61:7e:72:96:18 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-12017) 11/19/25 _x86_64_ (4 CPU) 22:05:50 LINUX RESTART (4 CPU) 22:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:20:08 16.19 0.54 4.76 10.89 340.04 966.43 240822.45 22:30:08 30.09 12.44 16.25 1.39 152.95 2459.07 10559.75 Average: 23.14 6.49 10.51 6.14 246.49 1712.75 125691.10 22:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:20:08 8661540 11638268 4325252 26.42 109956 3037500 4468912 25.65 601328 6754992 384 22:30:08 10189160 13668332 2290852 13.99 135204 3470824 2500420 14.35 821044 4941832 10160 Average: 9425350 12653300 3308052 20.20 122580 3254162 3484666 20.00 711186 5848412 5272 22:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:20:08 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 22:20:08 ens3 13.14 9.43 122.19 2.19 0.00 0.00 0.00 0.00 22:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:08 lo 530.57 530.57 505.40 505.40 0.00 0.00 0.00 0.00 22:30:08 ens3 35.88 25.62 405.45 3.84 0.00 0.00 0.00 0.00 22:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 265.57 265.57 252.89 252.89 0.00 0.00 0.00 0.00 Average: ens3 24.51 17.53 263.82 3.01 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-12017) 11/19/25 _x86_64_ (4 CPU) 22:05:50 LINUX RESTART (4 CPU) 22:10:08 CPU %user %nice %system %iowait %steal %idle 22:20:08 all 45.22 0.00 0.70 0.07 0.08 53.93 22:20:08 0 41.72 0.00 0.69 0.10 0.07 57.42 22:20:08 1 57.11 0.00 0.62 0.06 0.08 42.13 22:20:08 2 41.73 0.00 0.81 0.06 0.08 57.33 22:20:08 3 40.33 0.00 0.68 0.08 0.07 58.84 22:30:08 all 54.25 0.07 1.37 0.44 0.10 43.78 22:30:08 0 44.75 0.03 1.40 0.64 0.09 53.09 22:30:08 1 73.21 0.20 1.53 0.21 0.11 24.72 22:30:08 2 53.66 0.03 1.37 0.22 0.10 44.62 22:30:08 3 45.40 0.01 1.18 0.67 0.09 52.65 Average: all 49.73 0.03 1.04 0.25 0.09 48.86 Average: 0 43.23 0.02 1.04 0.37 0.08 55.26 Average: 1 65.16 0.10 1.08 0.14 0.10 33.43 Average: 2 47.68 0.02 1.09 0.14 0.09 50.99 Average: 3 42.87 0.00 0.93 0.37 0.08 55.74