---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3369 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 621 10576 4 4791 15025 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:96:68:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84189sec preferred_lft 84189sec inet6 fe80::f816:3eff:fe96:6877/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:89:47:93:e6:22 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-3369) 10/29/25 _x86_64_ (4 CPU) 16:48:36 LINUX RESTART (4 CPU) 16:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:18 37.54 1.77 25.59 10.17 416.93 858.47 243639.90 17:10:18 14.58 2.83 11.06 0.69 158.52 3307.76 798.79 17:20:01 3.15 0.00 3.05 0.10 0.01 262.83 227.40 Average: 18.75 1.55 13.45 3.75 195.76 1482.32 83840.79 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:18 13237528 15343328 663336 4.05 69608 2252888 1271876 7.30 372532 2491196 95992 17:10:18 9623984 12598588 3365300 20.55 110400 3035388 3640480 20.90 600500 5800724 2496 17:20:01 10723504 13789244 2174124 13.28 113876 3115276 2425472 13.92 620824 4679148 29348 Average: 11195005 13910387 2067587 12.63 97961 2801184 2445943 14.04 531285 4323689 42612 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:18 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 17:00:18 ens3 27.23 17.83 190.94 4.79 0.00 0.00 0.00 0.00 17:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:18 lo 0.74 0.74 0.39 0.39 0.00 0.00 0.00 0.00 17:10:18 ens3 60.07 47.37 638.54 7.91 0.00 0.00 0.00 0.00 17:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 17:20:01 ens3 2.86 2.52 1.85 0.71 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.37 0.37 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 30.29 22.72 278.96 4.51 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-3369) 10/29/25 _x86_64_ (4 CPU) 16:48:36 LINUX RESTART (4 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 17:00:18 all 1.49 0.00 0.26 0.29 0.01 97.94 17:00:18 0 1.94 0.00 0.26 0.19 0.01 97.60 17:00:18 1 1.14 0.00 0.25 0.05 0.02 98.54 17:00:18 2 0.93 0.00 0.24 0.53 0.02 98.28 17:00:18 3 1.95 0.00 0.30 0.39 0.01 97.35 17:10:18 all 52.96 0.00 1.03 0.15 0.10 45.76 17:10:18 0 62.86 0.00 1.16 0.06 0.10 35.82 17:10:18 1 50.09 0.00 0.82 0.07 0.09 48.93 17:10:18 2 46.62 0.00 0.93 0.32 0.10 52.04 17:10:18 3 52.31 0.00 1.21 0.16 0.10 46.22 17:20:01 all 44.11 0.00 0.45 0.02 0.08 55.34 17:20:01 0 48.37 0.00 0.36 0.00 0.08 51.19 17:20:01 1 54.17 0.00 0.54 0.01 0.08 45.19 17:20:01 2 50.80 0.00 0.40 0.00 0.08 48.71 17:20:01 3 23.18 0.00 0.50 0.06 0.07 76.19 Average: all 32.45 0.00 0.58 0.16 0.06 66.75 Average: 0 37.27 0.00 0.59 0.09 0.06 61.98 Average: 1 34.61 0.00 0.53 0.04 0.06 64.75 Average: 2 32.31 0.00 0.52 0.29 0.07 66.81 Average: 3 25.62 0.00 0.67 0.21 0.06 73.45