---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5203 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 67G 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 633 10319 4 5035 15012 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:8f:e4:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84739sec preferred_lft 84739sec inet6 fe80::f816:3eff:fe8f:e492/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:2b:02:b3:1f:8c 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-5203) 10/19/25 _x86_64_ (4 CPU) 09:54:28 LINUX RESTART (4 CPU) 10:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:18 3.54 0.06 3.30 0.18 6.84 491.31 57.30 10:20:27 18.63 0.53 16.60 1.50 19.14 2398.70 7943.90 Average: 11.10 0.30 9.96 0.84 13.00 1446.90 4008.43 10:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:18 10373712 13675460 2286404 13.96 116076 3349048 2780708 15.96 763284 4898248 27756 10:20:27 9316044 13517652 2439680 14.90 136620 4186540 2529536 14.52 956048 5694084 471920 Average: 9844878 13596556 2363042 14.43 126348 3767794 2655122 15.24 859666 5296166 249838 10:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:18 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:10:18 ens3 8.67 7.60 37.12 2.33 0.00 0.00 0.00 0.00 10:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:27 lo 450.35 450.35 428.86 428.86 0.00 0.00 0.00 0.00 10:20:27 ens3 42.43 31.95 460.33 4.70 0.00 0.00 0.00 0.00 10:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 225.93 225.93 215.04 215.04 0.00 0.00 0.00 0.00 Average: ens3 25.59 19.80 249.15 3.52 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-5203) 10/19/25 _x86_64_ (4 CPU) 09:54:28 LINUX RESTART (4 CPU) 10:00:13 CPU %user %nice %system %iowait %steal %idle 10:10:18 all 48.04 0.00 0.67 0.01 0.08 51.21 10:10:18 0 63.72 0.00 0.68 0.00 0.08 35.51 10:10:18 1 46.76 0.00 0.59 0.01 0.08 52.56 10:10:18 2 40.47 0.00 0.78 0.03 0.08 58.64 10:10:18 3 41.24 0.00 0.62 0.00 0.07 58.07 10:20:27 all 54.50 0.00 1.32 0.07 0.08 44.03 10:20:27 0 46.46 0.00 1.29 0.09 0.08 52.07 10:20:27 1 81.73 0.00 1.47 0.02 0.09 16.69 10:20:27 2 47.52 0.00 1.33 0.09 0.08 50.98 10:20:27 3 42.32 0.00 1.18 0.06 0.09 56.36 Average: all 51.27 0.00 0.99 0.04 0.08 47.61 Average: 0 55.07 0.00 0.99 0.05 0.08 43.81 Average: 1 64.28 0.00 1.03 0.02 0.08 34.59 Average: 2 43.99 0.00 1.06 0.06 0.08 54.81 Average: 3 41.78 0.00 0.90 0.03 0.08 57.21