---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6721 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 595 10516 4 4876 15050 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:e1:b4:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84799sec preferred_lft 84799sec inet6 fe80::f816:3eff:fee1:b47f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:92:77:34:b1:7a 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-6721) 11/07/25 _x86_64_ (4 CPU) 09:55:07 LINUX RESTART (4 CPU) 10:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:04 17.74 0.71 5.90 11.13 549.55 1163.11 261603.32 10:20:08 18.87 0.54 16.85 1.49 19.50 2356.95 7828.20 Average: 18.31 0.62 11.41 6.28 282.75 1764.03 133866.67 10:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:04 10395064 13521972 2441108 14.91 112752 3180488 2757608 15.83 677648 4968612 11644 10:20:08 9622728 13634916 2323604 14.19 134368 4002432 2534720 14.55 874960 5477484 446004 Average: 10008896 13578444 2382356 14.55 123560 3591460 2646164 15.19 776304 5223048 228824 10:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:04 lo 0.63 0.63 0.39 0.39 0.00 0.00 0.00 0.00 10:10:04 ens3 16.74 12.50 164.33 2.47 0.00 0.00 0.00 0.00 10:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:08 lo 502.53 502.53 478.56 478.56 0.00 0.00 0.00 0.00 10:20:08 ens3 42.84 33.44 463.81 5.08 0.00 0.00 0.00 0.00 10:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 253.26 253.26 241.08 241.08 0.00 0.00 0.00 0.00 Average: ens3 29.88 23.04 315.07 3.79 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-6721) 11/07/25 _x86_64_ (4 CPU) 09:55:07 LINUX RESTART (4 CPU) 10:00:08 CPU %user %nice %system %iowait %steal %idle 10:10:04 all 49.25 0.00 0.75 0.11 0.08 49.81 10:10:04 0 42.03 0.00 0.64 0.10 0.07 57.17 10:10:04 1 64.11 0.00 0.86 0.09 0.08 34.87 10:10:04 2 42.43 0.00 0.73 0.07 0.08 56.69 10:10:04 3 48.50 0.00 0.78 0.19 0.07 50.46 10:20:08 all 53.17 0.00 1.37 0.07 0.08 45.31 10:20:08 0 40.33 0.00 1.27 0.06 0.08 58.27 10:20:08 1 43.00 0.00 1.46 0.06 0.08 55.40 10:20:08 2 43.14 0.00 1.27 0.10 0.07 55.42 10:20:08 3 86.24 0.00 1.48 0.06 0.08 12.14 Average: all 51.22 0.00 1.06 0.09 0.08 47.55 Average: 0 41.17 0.00 0.95 0.08 0.07 57.72 Average: 1 53.49 0.00 1.16 0.07 0.08 45.20 Average: 2 42.78 0.00 1.00 0.08 0.08 56.05 Average: 3 67.47 0.00 1.13 0.13 0.08 31.20