---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1207 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 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 68G 14% / 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 677 10482 4 4829 14969 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:a6:72:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83937sec preferred_lft 83937sec inet6 fe80::f816:3eff:fea6:7240/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:0b:bd:2f:f2:33 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1207) 08/01/26 _x86_64_ (4 CPU) 14:25:03 LINUX RESTART (4 CPU) 14:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:00 1.90 0.07 1.81 0.02 2.28 44.83 65.86 14:50:04 15.22 2.25 11.88 1.09 137.13 3303.57 2386.08 15:00:01 49.92 0.64 30.88 18.40 25.38 4217.32 249141.72 Average: 22.33 0.99 14.85 6.48 55.34 2527.06 83545.83 14:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:00 12920096 15397668 576100 3.52 100792 2564964 1351244 7.76 347876 2791608 3024 14:50:04 10221028 13753340 2204712 13.47 143180 3490000 2539100 14.57 622888 5126920 42804 15:00:01 10792300 15377232 573864 3.50 172300 4443236 1091912 6.27 902140 4175704 252 Average: 11311141 14842747 1118225 6.83 138757 3499400 1660752 9.53 624301 4031411 15360 14:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:40:00 ens3 15.32 13.73 228.00 2.00 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:04 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 14:50:04 ens3 108.54 83.76 599.56 20.15 0.00 0.00 0.00 0.00 14:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1752.22 1752.22 1666.83 1666.83 0.00 0.00 0.00 0.00 15:00:01 ens3 98.10 75.12 411.07 65.69 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 582.28 582.28 553.48 553.48 0.00 0.00 0.00 0.00 Average: ens3 74.18 57.68 413.84 29.25 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1207) 08/01/26 _x86_64_ (4 CPU) 14:25:03 LINUX RESTART (4 CPU) 14:30:04 CPU %user %nice %system %iowait %steal %idle 14:40:00 all 0.60 0.00 0.07 0.03 0.02 99.28 14:40:00 0 0.18 0.00 0.04 0.01 0.01 99.76 14:40:00 1 0.46 0.00 0.11 0.01 0.02 99.39 14:40:00 2 0.42 0.00 0.07 0.11 0.02 99.38 14:40:00 3 1.33 0.00 0.07 0.01 0.02 98.58 14:50:04 all 72.39 0.00 2.30 0.09 0.11 25.11 14:50:04 0 73.61 0.00 2.19 0.06 0.12 24.02 14:50:04 1 72.22 0.00 2.45 0.15 0.11 25.07 14:50:04 2 71.66 0.00 2.04 0.06 0.11 26.13 14:50:04 3 72.07 0.00 2.52 0.09 0.11 25.21 15:00:01 all 56.02 0.00 2.47 0.27 0.09 41.14 15:00:01 0 55.62 0.00 2.62 0.27 0.10 41.39 15:00:01 1 55.41 0.00 2.23 0.26 0.10 42.00 15:00:01 2 58.22 0.00 2.73 0.22 0.09 38.73 15:00:01 3 54.84 0.00 2.31 0.32 0.09 42.44 Average: all 43.10 0.00 1.62 0.13 0.08 55.08 Average: 0 43.27 0.00 1.62 0.11 0.08 54.92 Average: 1 42.82 0.00 1.60 0.14 0.08 55.36 Average: 2 43.54 0.00 1.62 0.13 0.08 54.64 Average: 3 42.77 0.00 1.63 0.14 0.07 55.39