---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10804 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 12G 67G 15% / 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 740 9215 4 6033 14906 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:5a:80:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84105sec preferred_lft 84105sec inet6 fe80::f816:3eff:fe5a:8099/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:b0:5e:19:a1:74 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-10804) 12/05/25 _x86_64_ (4 CPU) 18:53:16 LINUX RESTART (4 CPU) 19:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:05 29.61 0.44 25.48 3.68 15.30 4341.51 6442.69 19:20:05 52.95 0.00 42.47 10.47 0.01 2852.98 13495.22 19:30:06 19.42 0.12 16.34 2.96 5.76 4021.08 8333.71 Average: 33.99 0.19 28.10 5.70 7.02 3738.61 9423.53 19:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:05 8691612 13153860 2796684 17.08 187540 4317744 3068012 17.61 981040 6220084 104616 19:20:05 8218624 13032296 2914204 17.80 219324 4596016 3377064 19.38 1089752 6550620 47864 19:30:06 9547092 15358024 584584 3.57 243608 5523640 1112372 6.39 1435548 4799120 264 Average: 8819109 13848060 2098491 12.82 216824 4812467 2519149 14.46 1168780 5856608 50915 19:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:05 lo 1546.06 1546.06 1473.32 1473.32 0.00 0.00 0.00 0.00 19:10:05 ens3 94.27 68.94 302.23 19.97 0.00 0.00 0.00 0.00 19:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:05 lo 5140.08 5140.08 4898.20 4898.20 0.00 0.00 0.00 0.00 19:20:05 ens3 77.31 57.54 27.29 20.48 0.00 0.00 0.00 0.00 19:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:06 lo 1113.01 1113.01 1039.19 1039.19 0.00 0.00 0.00 0.00 19:30:06 ens3 124.30 130.64 123.74 542.60 0.00 0.00 0.00 0.00 19:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2599.37 2599.37 2469.90 2469.90 0.00 0.00 0.00 0.00 Average: ens3 98.63 85.71 151.08 194.41 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-10804) 12/05/25 _x86_64_ (4 CPU) 18:53:16 LINUX RESTART (4 CPU) 19:00:05 CPU %user %nice %system %iowait %steal %idle 19:10:05 all 65.81 0.00 2.91 0.08 0.10 31.10 19:10:05 0 65.83 0.00 2.72 0.05 0.11 31.30 19:10:05 1 65.24 0.00 2.84 0.11 0.11 31.70 19:10:05 2 64.45 0.00 2.85 0.07 0.10 32.54 19:10:05 3 67.71 0.00 3.24 0.09 0.10 28.86 19:20:05 all 61.52 0.00 4.09 0.12 0.10 34.17 19:20:05 0 60.46 0.00 3.76 0.11 0.10 35.58 19:20:05 1 61.69 0.00 4.14 0.08 0.10 33.99 19:20:05 2 63.98 0.00 4.66 0.09 0.10 31.18 19:20:05 3 59.95 0.00 3.78 0.22 0.10 35.96 19:30:06 all 36.84 0.00 1.73 0.21 0.07 61.15 19:30:06 0 36.10 0.00 1.65 0.45 0.08 61.72 19:30:06 1 31.63 0.00 1.78 0.03 0.07 66.49 19:30:06 2 42.99 0.00 1.88 0.23 0.08 54.82 19:30:06 3 36.65 0.00 1.59 0.13 0.07 61.55 Average: all 54.70 0.00 2.91 0.14 0.09 42.17 Average: 0 54.11 0.00 2.71 0.20 0.09 42.89 Average: 1 52.81 0.00 2.92 0.07 0.09 44.10 Average: 2 57.12 0.00 3.13 0.13 0.09 39.53 Average: 3 54.74 0.00 2.87 0.15 0.09 42.15