---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2857 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 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 609 10579 4 4800 15037 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:73:21:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84619sec preferred_lft 84619sec inet6 fe80::f816:3eff:fe73:21c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:86:76:70:a4:f9 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-2857) 10/28/25 _x86_64_ (4 CPU) 12:32:09 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 3.14 0.05 2.92 0.16 6.65 505.89 231.09 13:00:02 21.76 0.54 19.46 1.77 19.80 2474.74 14738.08 Average: 12.45 0.30 11.19 0.96 13.22 1490.35 7484.83 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 9518540 12540288 3422860 20.91 112908 3075416 3635212 20.87 618616 5887628 316 13:00:02 10912092 15462280 495176 3.02 138032 4519532 1009216 5.79 992640 4031084 1069908 Average: 10215316 14001284 1959018 11.96 125470 3797474 2322214 13.33 805628 4959356 535112 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 12:50:01 ens3 9.69 8.71 38.70 2.33 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 lo 450.63 450.63 428.49 428.49 0.00 0.00 0.00 0.00 13:00:02 ens3 48.48 36.77 483.48 6.73 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 225.61 225.61 214.44 214.44 0.00 0.00 0.00 0.00 Average: ens3 29.09 22.74 261.10 4.53 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-2857) 10/28/25 _x86_64_ (4 CPU) 12:32:09 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 49.01 0.00 0.65 0.09 0.10 50.15 12:50:01 0 66.08 0.00 0.68 0.12 0.11 33.00 12:50:01 1 43.45 0.00 0.60 0.10 0.09 55.75 12:50:01 2 44.71 0.00 0.73 0.05 0.09 54.41 12:50:01 3 41.80 0.00 0.60 0.08 0.09 57.43 13:00:02 all 55.81 0.00 1.49 0.19 0.12 42.40 13:00:02 0 51.00 0.00 1.27 0.19 0.11 47.43 13:00:02 1 44.77 0.00 1.59 0.31 0.11 53.22 13:00:02 2 58.84 0.00 1.50 0.19 0.13 39.36 13:00:02 3 68.63 0.00 1.59 0.07 0.13 29.57 Average: all 52.41 0.00 1.07 0.14 0.11 46.28 Average: 0 58.55 0.00 0.97 0.16 0.11 40.21 Average: 1 44.11 0.00 1.09 0.21 0.10 54.49 Average: 2 51.76 0.00 1.11 0.12 0.11 46.90 Average: 3 55.21 0.00 1.10 0.08 0.11 43.51