---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11825 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: 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 662 10144 4 5182 14983 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:54:f2:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84457sec preferred_lft 84457sec inet6 fe80::f816:3eff:fe54:f238/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:41:f0:dd:b4:6f 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11825) 12/09/25 _x86_64_ (4 CPU) 02:49:56 LINUX RESTART (4 CPU) 02:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:00 94.88 11.50 75.60 7.78 1475.12 14072.63 129684.26 03:10:01 10.08 0.01 8.64 1.43 0.09 705.11 29495.07 03:20:05 36.52 0.40 30.84 5.28 14.87 6532.94 18601.92 Average: 47.14 3.96 38.35 4.83 495.73 7103.10 59177.87 02:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:00 10108692 13229320 2731536 16.68 146012 3122080 2936840 16.86 649280 5259128 2764 03:10:01 9880988 13168872 2790548 17.04 153956 3266080 3023372 17.35 681040 5429416 1284 03:20:05 10418308 15367584 582136 3.56 187828 4807356 1079988 6.20 1317068 4138040 312 Average: 10135996 13921925 2034740 12.43 162599 3731839 2346733 13.47 882463 4942195 1453 02:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:00 lo 8.96 8.96 2.00 2.00 0.00 0.00 0.00 0.00 03:00:00 ens3 123.94 93.14 919.24 20.64 0.00 0.00 0.00 0.00 03:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 lo 53.40 53.40 13.43 13.43 0.00 0.00 0.00 0.00 03:10:01 ens3 5.82 4.73 3.95 1.50 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:05 lo 2137.94 2137.94 2057.55 2057.55 0.00 0.00 0.00 0.00 03:20:05 ens3 93.19 82.97 463.40 544.43 0.00 0.00 0.00 0.00 03:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 736.48 736.48 693.97 693.97 0.00 0.00 0.00 0.00 Average: ens3 74.36 60.34 462.25 189.63 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11825) 12/09/25 _x86_64_ (4 CPU) 02:49:56 LINUX RESTART (4 CPU) 02:50:00 CPU %user %nice %system %iowait %steal %idle 03:00:00 all 37.26 0.00 1.84 0.80 0.08 60.01 03:00:00 0 34.00 0.00 1.39 0.48 0.08 64.05 03:00:00 1 37.48 0.00 2.00 1.02 0.08 59.42 03:00:00 2 38.30 0.00 1.84 1.01 0.08 58.76 03:00:00 3 39.26 0.00 2.14 0.70 0.08 57.81 03:10:01 all 16.33 0.00 0.81 0.08 0.08 82.70 03:10:01 0 15.87 0.00 0.87 0.09 0.08 83.10 03:10:01 1 15.91 0.00 0.82 0.04 0.08 83.16 03:10:01 2 16.81 0.00 0.71 0.03 0.08 82.37 03:10:01 3 16.73 0.00 0.85 0.16 0.08 82.18 03:20:05 all 52.23 0.00 2.67 0.12 0.10 44.88 03:20:05 0 55.04 0.00 2.56 0.11 0.11 42.19 03:20:05 1 47.85 0.00 2.87 0.11 0.10 49.07 03:20:05 2 51.68 0.00 2.65 0.19 0.10 45.38 03:20:05 3 54.37 0.00 2.58 0.06 0.10 42.88 Average: all 35.30 0.00 1.78 0.33 0.09 62.50 Average: 0 35.00 0.00 1.61 0.23 0.09 63.07 Average: 1 33.78 0.00 1.90 0.39 0.09 63.85 Average: 2 35.61 0.00 1.74 0.41 0.09 62.16 Average: 3 36.82 0.00 1.86 0.31 0.09 60.93