---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6425 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 629 10424 4 4935 15016 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:18:ee:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84852sec preferred_lft 84852sec inet6 fe80::f816:3eff:fe18:eeba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:89:d7:b4:86:dc 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-6425) 11/06/25 _x86_64_ (4 CPU) 09:29:20 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:01 49.46 4.39 33.44 11.63 774.83 4376.81 259177.41 09:50:10 2.57 0.18 2.29 0.09 6.07 366.86 13.42 Average: 25.83 2.27 17.74 5.82 387.48 2356.33 128593.58 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:01 9549404 12669656 3293524 20.12 111016 3178352 3576692 20.53 668272 5814692 13020 09:50:10 9860040 13108036 2854076 17.43 114824 3292552 3090652 17.74 693376 5464044 35180 Average: 9704722 12888846 3073800 18.77 112920 3235452 3333672 19.14 680824 5639368 24100 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:01 lo 0.59 0.59 0.16 0.16 0.00 0.00 0.00 0.00 09:40:01 ens3 73.26 58.69 825.58 9.36 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:10 lo 0.50 0.50 0.26 0.26 0.00 0.00 0.00 0.00 09:50:10 ens3 5.43 4.28 29.67 1.03 0.00 0.00 0.00 0.00 09:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 39.08 31.28 424.54 5.16 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-6425) 11/06/25 _x86_64_ (4 CPU) 09:29:20 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 51.23 0.00 1.28 0.36 0.09 47.05 09:40:01 0 53.40 0.00 1.22 0.17 0.09 45.13 09:40:01 1 45.24 0.00 1.24 0.26 0.09 53.17 09:40:01 2 55.97 0.00 1.48 0.54 0.09 41.93 09:40:01 3 50.30 0.00 1.18 0.48 0.09 47.95 09:50:10 all 44.16 0.00 0.48 0.02 0.07 55.27 09:50:10 0 55.27 0.00 0.54 0.02 0.08 44.08 09:50:10 1 43.58 0.00 0.49 0.00 0.08 55.84 09:50:10 2 41.14 0.00 0.50 0.03 0.07 58.26 09:50:10 3 36.66 0.00 0.38 0.02 0.06 62.87 Average: all 47.66 0.00 0.88 0.19 0.08 51.19 Average: 0 54.34 0.00 0.88 0.09 0.08 44.60 Average: 1 44.40 0.00 0.87 0.13 0.08 54.52 Average: 2 48.50 0.00 0.99 0.28 0.08 50.16 Average: 3 43.42 0.00 0.78 0.25 0.08 55.48