---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3736 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 686 9159 4 6143 14960 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:1d:86:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84511sec preferred_lft 84511sec inet6 fe80::f816:3eff:fe1d:8673/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:a1:f6:70:a9:20 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-3736) 01/24/26 _x86_64_ (4 CPU) 01:07:49 LINUX RESTART (4 CPU) 01:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:28 30.18 2.85 23.62 3.70 719.12 4183.30 75220.62 01:30:07 21.82 0.17 18.52 3.12 5.24 1645.42 22582.41 Average: 26.10 1.55 21.14 3.42 371.05 2945.90 49555.66 01:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:28 9560096 13276456 2680720 16.37 130260 3711228 2910812 16.71 890320 5541168 380 01:30:07 8880652 13056248 2897584 17.70 149808 4120272 3072500 17.64 1022284 6050996 125532 Average: 9220374 13166352 2789152 17.03 140034 3915750 2991656 17.17 956302 5796082 62956 01:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:28 lo 24.13 24.13 5.71 5.71 0.00 0.00 0.00 0.00 01:20:28 ens3 72.18 53.13 665.35 10.04 0.00 0.00 0.00 0.00 01:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:07 lo 1285.11 1285.11 1195.67 1195.67 0.00 0.00 0.00 0.00 01:30:07 ens3 34.46 26.63 256.10 6.35 0.00 0.00 0.00 0.00 01:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 638.95 638.95 585.90 585.90 0.00 0.00 0.00 0.00 Average: ens3 53.79 40.21 465.81 8.24 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-3736) 01/24/26 _x86_64_ (4 CPU) 01:07:49 LINUX RESTART (4 CPU) 01:10:19 CPU %user %nice %system %iowait %steal %idle 01:20:28 all 39.26 0.00 1.63 0.23 0.09 58.79 01:20:28 0 38.71 0.00 1.86 0.17 0.09 59.17 01:20:28 1 38.36 0.00 1.29 0.17 0.09 60.09 01:20:28 2 39.30 0.00 1.72 0.31 0.09 58.58 01:20:28 3 40.68 0.00 1.66 0.26 0.09 57.31 01:30:07 all 27.52 0.00 1.61 0.07 0.09 70.71 01:30:07 0 27.67 0.00 1.64 0.11 0.09 70.48 01:30:07 1 27.96 0.00 1.47 0.09 0.09 70.38 01:30:07 2 26.39 0.00 1.46 0.06 0.09 72.00 01:30:07 3 28.07 0.00 1.84 0.02 0.09 69.97 Average: all 33.54 0.00 1.62 0.15 0.09 64.60 Average: 0 33.33 0.00 1.76 0.14 0.09 64.68 Average: 1 33.29 0.00 1.38 0.13 0.09 65.10 Average: 2 33.01 0.00 1.60 0.19 0.09 65.11 Average: 3 34.53 0.00 1.75 0.14 0.09 63.49