---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2985 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 647 10740 4 4601 14999 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:9a:a4:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84807sec preferred_lft 84807sec inet6 fe80::f816:3eff:fe9a:a4b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:dd:81:be:09:ad 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-2985) 12/02/25 _x86_64_ (4 CPU) 00:26:54 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:35 14.00 0.27 3.53 10.20 27.82 611.82 227283.86 00:50:17 15.49 0.55 13.81 1.14 19.89 2145.62 8243.38 Average: 14.71 0.40 8.45 5.86 24.03 1345.05 122571.90 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:35 7920960 10710672 5254228 32.09 108352 2854360 5245236 30.11 483808 7615544 168 00:50:17 9237520 12735004 3225800 19.70 130572 3501392 3428336 19.68 694884 6071376 270884 Average: 8579240 11722838 4240014 25.90 119462 3177876 4336786 24.89 589346 6843460 135526 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:35 lo 0.56 0.56 0.36 0.36 0.00 0.00 0.00 0.00 00:40:35 ens3 13.69 11.15 75.32 3.09 0.00 0.00 0.00 0.00 00:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:17 lo 404.89 404.89 385.31 385.31 0.00 0.00 0.00 0.00 00:50:17 ens3 42.63 29.39 423.94 5.15 0.00 0.00 0.00 0.00 00:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 193.85 193.85 184.38 184.38 0.00 0.00 0.00 0.00 Average: ens3 27.53 19.87 241.98 4.07 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-2985) 12/02/25 _x86_64_ (4 CPU) 00:26:54 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:35 all 48.64 0.00 0.72 0.08 0.10 50.47 00:40:35 0 45.48 0.00 0.74 0.09 0.10 53.59 00:40:35 1 63.30 0.00 0.73 0.04 0.09 35.83 00:40:35 2 45.56 0.00 0.75 0.04 0.10 53.55 00:40:35 3 40.22 0.00 0.65 0.17 0.08 58.87 00:50:17 all 55.24 0.00 1.23 0.07 0.10 43.36 00:50:17 0 45.63 0.00 1.28 0.04 0.09 52.97 00:50:17 1 81.09 0.00 1.26 0.08 0.11 17.47 00:50:17 2 48.37 0.00 1.12 0.11 0.10 50.30 00:50:17 3 45.89 0.00 1.27 0.07 0.10 52.67 Average: all 51.79 0.00 0.96 0.08 0.10 47.07 Average: 0 45.55 0.00 0.99 0.06 0.10 53.29 Average: 1 71.79 0.00 0.98 0.06 0.10 27.06 Average: 2 46.90 0.00 0.93 0.07 0.10 52.00 Average: 3 42.93 0.00 0.95 0.12 0.09 55.91