---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12357 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 755 9234 4 5999 14891 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:27:b9:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83921sec preferred_lft 83921sec inet6 fe80::f816:3eff:fe27:b94f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:84:30:4b:c2:d7 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-12357) 12/10/25 _x86_64_ (4 CPU) 20:25:05 LINUX RESTART (4 CPU) 20:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 32.66 2.87 15.66 14.14 750.60 3687.30 255565.29 20:50:01 54.91 0.34 44.81 9.75 10.99 4596.22 12558.85 21:00:14 45.19 0.12 37.04 8.03 5.64 5332.39 15830.57 Average: 44.29 1.10 32.58 10.61 252.57 4546.66 93637.24 20:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9913992 13453908 2504728 15.30 147516 3518784 2983888 17.13 757644 5321072 55216 20:50:01 8715072 13235252 2714024 16.58 201856 4357964 2901064 16.65 997276 6166860 3036 21:00:14 9598044 15374852 569972 3.48 243168 5502388 1092436 6.27 1403208 4802504 43876 Average: 9409036 14021337 1929575 11.79 197513 4459712 2325796 13.35 1052709 5430145 34043 20:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.24 1.24 0.13 0.13 0.00 0.00 0.00 0.00 20:40:01 ens3 99.11 75.59 683.80 17.90 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 4234.55 4234.55 4036.19 4036.19 0.00 0.00 0.00 0.00 20:50:01 ens3 89.10 66.80 301.42 20.11 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:14 lo 4061.76 4061.76 3869.42 3869.42 0.00 0.00 0.00 0.00 21:00:14 ens3 84.48 66.90 125.28 38.63 0.00 0.00 0.00 0.00 21:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2782.86 2782.86 2651.46 2651.46 0.00 0.00 0.00 0.00 Average: ens3 90.83 69.73 367.55 25.66 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-12357) 12/10/25 _x86_64_ (4 CPU) 20:25:05 LINUX RESTART (4 CPU) 20:30:06 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 59.28 0.00 2.24 0.18 0.09 38.22 20:40:01 0 58.36 0.00 1.97 0.23 0.09 39.35 20:40:01 1 59.90 0.00 2.42 0.18 0.09 37.41 20:40:01 2 61.15 0.00 2.62 0.16 0.09 35.97 20:40:01 3 57.69 0.00 1.95 0.13 0.08 40.14 20:50:01 all 63.02 0.00 3.85 0.12 0.10 32.91 20:50:01 0 62.41 0.00 3.87 0.15 0.10 33.47 20:50:01 1 64.01 0.00 4.30 0.13 0.10 31.46 20:50:01 2 64.21 0.00 3.76 0.08 0.10 31.85 20:50:01 3 61.46 0.00 3.46 0.12 0.10 34.87 21:00:14 all 57.01 0.00 3.56 0.32 0.08 39.02 21:00:14 0 55.24 0.00 3.50 0.06 0.09 41.11 21:00:14 1 56.06 0.00 3.60 0.18 0.08 40.07 21:00:14 2 58.41 0.00 3.69 0.79 0.09 37.02 21:00:14 3 58.32 0.00 3.45 0.25 0.08 37.89 Average: all 59.75 0.00 3.22 0.21 0.09 36.73 Average: 0 58.65 0.00 3.12 0.15 0.09 38.00 Average: 1 59.96 0.00 3.45 0.16 0.09 36.34 Average: 2 61.23 0.00 3.36 0.35 0.09 34.96 Average: 3 59.16 0.00 2.96 0.17 0.09 37.63