---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23179 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 791 9291 4 5906 14855 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:b3:ac:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83966sec preferred_lft 83966sec inet6 fe80::f816:3eff:feb3:ac6f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:dd:a8:f6:a5:0c 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-23179) 01/08/26 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 16.02 2.29 12.70 1.03 135.92 3374.23 2102.59 20:50:01 62.70 0.33 51.21 11.15 10.87 4366.36 19245.14 21:00:01 36.62 0.14 30.50 5.99 6.47 5083.67 17320.96 Average: 38.46 0.92 31.48 6.06 51.05 4275.02 12894.13 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9953872 13629372 2327304 14.21 158708 3625924 2611868 14.99 779392 5236056 91260 20:50:01 8499168 13055528 2893200 17.67 200256 4392896 3129844 17.97 980784 6409660 89496 21:00:01 9665720 15345612 598964 3.66 234768 5418528 1096144 6.29 1369092 4773784 8 Average: 9372920 14010171 1939823 11.85 197911 4479116 2279285 13.08 1043089 5473167 60255 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.30 1.30 0.14 0.14 0.00 0.00 0.00 0.00 20:40:01 ens3 93.56 74.72 395.12 20.25 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 5264.24 5264.24 5018.11 5018.11 0.00 0.00 0.00 0.00 20:50:01 ens3 91.91 71.40 303.88 22.30 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 21:00:01 lo 2671.11 2671.11 2539.55 2539.55 0.00 0.00 0.00 0.00 21:00:01 ens3 90.56 74.82 106.42 89.50 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2646.95 2646.95 2520.60 2520.60 0.00 0.00 0.00 0.00 Average: ens3 92.01 73.65 268.45 44.02 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-23179) 01/08/26 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 66.10 0.00 2.25 0.16 0.11 31.38 20:40:01 0 64.76 0.00 1.90 0.05 0.11 33.18 20:40:01 1 67.54 0.00 2.63 0.12 0.11 29.59 20:40:01 2 65.89 0.00 2.20 0.33 0.11 31.47 20:40:01 3 66.21 0.00 2.28 0.12 0.10 31.29 20:50:01 all 61.05 0.00 4.19 0.16 0.09 34.50 20:50:01 0 60.03 0.00 4.35 0.20 0.09 35.33 20:50:01 1 61.31 0.00 4.26 0.12 0.09 34.22 20:50:01 2 60.50 0.00 3.90 0.18 0.09 35.33 20:50:01 3 62.38 0.00 4.26 0.15 0.09 33.13 21:00:01 all 49.64 0.00 2.86 0.12 0.08 47.29 21:00:01 0 49.12 0.00 3.04 0.09 0.09 47.67 21:00:01 1 54.61 0.00 3.16 0.20 0.09 41.94 21:00:01 2 47.76 0.00 2.44 0.05 0.08 49.67 21:00:01 3 47.06 0.00 2.81 0.16 0.08 49.89 Average: all 58.93 0.00 3.10 0.15 0.09 37.72 Average: 0 57.97 0.00 3.10 0.11 0.09 38.73 Average: 1 61.16 0.00 3.35 0.15 0.10 35.25 Average: 2 58.05 0.00 2.84 0.18 0.09 38.83 Average: 3 58.55 0.00 3.11 0.15 0.09 38.10