---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22090 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 67G 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 695 10408 4 4884 14951 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:d7:59:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84168sec preferred_lft 84168sec inet6 fe80::f816:3eff:fed7:59d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:a1:10:41:34:8a 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-22090) 08/10/26 _x86_64_ (4 CPU) 15:38:46 LINUX RESTART (4 CPU) 15:40:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:22 8.82 0.92 7.67 0.23 38.29 1504.75 305.54 16:00:01 12.42 1.94 9.63 0.85 127.33 2899.17 1745.89 16:10:22 27.77 0.79 23.59 3.38 28.38 4153.39 13563.78 Average: 16.51 1.20 13.79 1.52 63.53 2866.84 5340.74 15:40:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:22 12999668 15497372 477292 2.92 99448 2587144 993564 5.70 338404 2712172 120 16:00:01 10397560 13768852 2191588 13.39 133144 3359692 2491172 14.30 555868 5043636 21084 16:10:22 8616596 13143948 2807564 17.15 170240 4394896 3542604 20.33 866440 6416220 1868 Average: 10671275 14136724 1825481 11.15 134277 3447244 2342447 13.45 586904 4724009 7691 15:40:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:22 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 15:50:22 ens3 22.73 18.15 223.22 3.43 0.00 0.00 0.00 0.00 15:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1.14 1.14 0.11 0.11 0.00 0.00 0.00 0.00 16:00:01 ens3 103.82 84.74 630.23 19.75 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:22 lo 1592.28 1592.28 1517.94 1517.94 0.00 0.00 0.00 0.00 16:10:22 ens3 85.87 65.27 435.84 16.68 0.00 0.00 0.00 0.00 16:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 549.48 549.48 523.45 523.45 0.00 0.00 0.00 0.00 Average: ens3 70.60 55.83 427.54 13.25 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-22090) 08/10/26 _x86_64_ (4 CPU) 15:38:46 LINUX RESTART (4 CPU) 15:40:22 CPU %user %nice %system %iowait %steal %idle 15:50:22 all 1.00 0.00 0.15 0.04 0.02 98.79 15:50:22 0 0.28 0.00 0.11 0.02 0.02 99.57 15:50:22 1 2.69 0.00 0.29 0.03 0.02 96.98 15:50:22 2 0.23 0.00 0.12 0.11 0.02 99.53 15:50:22 3 0.81 0.00 0.10 0.01 0.01 99.06 16:00:01 all 57.38 0.00 1.95 0.06 0.10 40.51 16:00:01 0 57.35 0.00 1.82 0.08 0.10 40.65 16:00:01 1 55.86 0.00 1.75 0.07 0.10 42.22 16:00:01 2 57.93 0.00 1.91 0.04 0.11 40.01 16:00:01 3 58.40 0.00 2.32 0.03 0.10 39.14 16:10:22 all 69.35 0.00 2.85 0.18 0.12 27.50 16:10:22 0 68.66 0.00 3.04 0.06 0.12 28.13 16:10:22 1 67.42 0.00 2.46 0.21 0.12 29.80 16:10:22 2 68.42 0.00 2.81 0.22 0.12 28.43 16:10:22 3 72.92 0.00 3.10 0.22 0.13 23.63 Average: all 42.67 0.00 1.66 0.09 0.08 55.49 Average: 0 42.20 0.00 1.67 0.05 0.08 56.00 Average: 1 42.09 0.00 1.51 0.10 0.08 56.22 Average: 2 42.30 0.00 1.62 0.13 0.08 55.87 Average: 3 44.10 0.00 1.84 0.09 0.08 53.88