---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18891 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 11G 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 713 9522 4 5753 14933 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:00:f6:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84645sec preferred_lft 84645sec inet6 fe80::f816:3eff:fe00:f60b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:2c:b8:f4:a0:f2 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-18891) 01/06/26 _x86_64_ (4 CPU) 20:47:05 LINUX RESTART (4 CPU) 20:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:03 29.89 3.16 24.49 2.23 752.69 5837.42 24085.10 21:10:01 35.72 0.05 31.77 3.90 1.32 5533.60 19821.58 Average: 32.79 1.61 28.12 3.06 378.20 5685.99 21960.09 20:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:03 9476108 13537612 2415828 14.75 167132 3970024 2650000 15.21 937864 5496044 11260 21:10:01 7456040 12741804 3206544 19.58 187240 5120280 3363380 19.31 1193976 7225516 29364 Average: 8466074 13139708 2811186 17.17 177186 4545152 3006690 17.26 1065920 6360780 20312 20:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:03 lo 657.99 657.99 626.39 626.39 0.00 0.00 0.00 0.00 21:00:03 ens3 111.55 83.66 933.12 17.28 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 lo 1555.84 1555.84 1482.24 1482.24 0.00 0.00 0.00 0.00 21:10:01 ens3 69.05 51.98 219.98 15.96 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1105.49 1105.49 1052.96 1052.96 0.00 0.00 0.00 0.00 Average: ens3 90.37 67.87 577.68 16.62 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-18891) 01/06/26 _x86_64_ (4 CPU) 20:47:05 LINUX RESTART (4 CPU) 20:50:01 CPU %user %nice %system %iowait %steal %idle 21:00:03 all 58.67 0.00 2.05 0.17 0.08 39.02 21:00:03 0 58.57 0.00 2.01 0.26 0.08 39.08 21:00:03 1 59.14 0.00 2.12 0.09 0.08 38.57 21:00:03 2 59.22 0.00 2.19 0.10 0.09 38.41 21:00:03 3 57.75 0.00 1.90 0.24 0.09 40.02 21:10:01 all 62.62 0.00 2.52 0.09 0.08 34.69 21:10:01 0 61.97 0.00 2.52 0.07 0.08 35.36 21:10:01 1 62.30 0.00 2.65 0.11 0.08 34.87 21:10:01 2 64.49 0.00 2.40 0.05 0.09 32.98 21:10:01 3 61.72 0.00 2.51 0.13 0.08 35.56 Average: all 60.64 0.00 2.28 0.13 0.08 36.87 Average: 0 60.26 0.00 2.26 0.16 0.08 37.23 Average: 1 60.71 0.00 2.38 0.10 0.08 36.73 Average: 2 61.84 0.00 2.29 0.07 0.09 35.71 Average: 3 59.73 0.00 2.20 0.19 0.08 37.80