---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2091 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 629 10359 4 4999 15016 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:20:2c:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84841sec preferred_lft 84841sec inet6 fe80::f816:3eff:fe20:2c85/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:2d:9f:d7:8c:00 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 inet6 fe80::f02d:9fff:fed7:8c00/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2091) 08/04/26 _x86_64_ (4 CPU) 15:04:35 LINUX RESTART (4 CPU) 15:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:20 46.46 0.02 38.45 7.99 0.80 3466.17 20121.86 15:30:00 29.08 2.01 24.74 2.33 335.13 3661.17 4332.30 Average: 38.00 0.99 31.77 5.24 163.49 3561.06 12438.38 15:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:20 10079648 13837048 2119400 12.94 182100 3653208 2279448 13.08 662404 5193384 36856 15:30:00 10630472 15390196 558300 3.41 211204 4569380 1178808 6.77 940424 4290404 11276 Average: 10355060 14613622 1338850 8.18 196652 4111294 1729128 9.93 801414 4741894 24066 15:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:20 lo 4841.54 4841.54 4617.59 4617.59 0.00 0.00 0.00 0.00 15:20:20 ens3 54.30 47.14 15.64 15.03 0.00 0.00 0.00 0.00 15:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:00 lo 420.85 420.85 382.50 382.50 0.00 0.00 0.00 0.00 15:30:00 ens3 124.92 134.69 374.70 325.33 0.00 0.00 0.00 0.00 15:30:00 docker0 43.62 34.18 156.60 9.87 0.00 0.00 0.00 0.00 Average: lo 2690.35 2690.35 2556.72 2556.72 0.00 0.00 0.00 0.00 Average: ens3 88.67 89.74 190.36 166.02 0.00 0.00 0.00 0.00 Average: docker0 21.22 16.63 76.20 4.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2091) 08/04/26 _x86_64_ (4 CPU) 15:04:35 LINUX RESTART (4 CPU) 15:10:07 CPU %user %nice %system %iowait %steal %idle 15:20:20 all 66.12 0.00 4.12 0.19 0.13 29.44 15:20:20 0 65.89 0.00 3.77 0.23 0.13 29.97 15:20:20 1 66.03 0.00 3.87 0.14 0.13 29.83 15:20:20 2 66.59 0.00 4.72 0.18 0.13 28.39 15:20:20 3 65.96 0.00 4.11 0.20 0.14 29.59 15:30:00 all 26.50 0.00 2.31 0.54 0.08 70.56 15:30:00 0 26.14 0.00 2.19 0.14 0.08 71.45 15:30:00 1 23.25 0.00 1.67 0.25 0.07 74.76 15:30:00 2 22.83 0.00 2.46 0.78 0.08 73.85 15:30:00 3 33.80 0.00 2.93 1.00 0.08 62.18 Average: all 46.82 0.00 3.24 0.36 0.11 49.47 Average: 0 46.53 0.00 3.00 0.19 0.10 50.18 Average: 1 45.19 0.00 2.80 0.19 0.11 51.71 Average: 2 45.27 0.00 3.62 0.47 0.11 50.53 Average: 3 50.30 0.00 3.54 0.59 0.11 45.46