---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38350 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 630 10419 4 4939 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:6c:b7:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84701sec preferred_lft 84701sec inet6 fe80::f816:3eff:fe6c:b7ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:a4:9f:09:2c:9d 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-38350) 08/17/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 37.71 13.79 10.11 13.81 257.03 2654.80 241937.91 15:50:09 28.47 0.82 24.27 3.39 28.63 3274.73 11418.93 Average: 33.06 7.26 17.23 8.57 142.07 2966.83 125909.42 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10565808 13963156 1996504 12.19 134036 3374236 2494280 14.32 589024 4825364 26688 15:50:09 8699096 13275076 2675708 16.34 171752 4430116 3475836 19.95 901228 6278976 330076 Average: 9632452 13619116 2336106 14.27 152894 3902176 2985058 17.13 745126 5552170 178382 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.90 0.90 0.09 0.09 0.00 0.00 0.00 0.00 15:40:01 ens3 80.73 67.05 659.87 13.27 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:09 lo 1683.30 1683.30 1604.93 1604.93 0.00 0.00 0.00 0.00 15:50:09 ens3 78.54 59.00 427.87 14.12 0.00 0.00 0.00 0.00 15:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 847.71 847.71 807.86 807.86 0.00 0.00 0.00 0.00 Average: ens3 79.62 62.99 543.10 13.70 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-38350) 08/17/26 _x86_64_ (4 CPU) 15:26:25 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 46.02 0.08 1.60 0.13 0.08 52.10 15:40:01 0 46.61 0.01 1.59 0.04 0.08 51.67 15:40:01 1 46.90 0.30 1.86 0.35 0.08 50.52 15:40:01 2 45.78 0.00 1.44 0.06 0.08 52.63 15:40:01 3 44.80 0.00 1.49 0.04 0.08 53.59 15:50:09 all 67.20 0.00 2.76 0.06 0.10 29.88 15:50:09 0 63.43 0.00 2.71 0.04 0.10 33.72 15:50:09 1 69.57 0.00 3.18 0.06 0.10 27.09 15:50:09 2 69.11 0.00 2.74 0.09 0.10 27.96 15:50:09 3 66.69 0.00 2.42 0.05 0.10 30.75 Average: all 56.68 0.04 2.18 0.09 0.09 40.92 Average: 0 55.06 0.00 2.15 0.04 0.09 42.65 Average: 1 58.31 0.15 2.52 0.21 0.09 38.73 Average: 2 57.52 0.00 2.09 0.08 0.09 40.22 Average: 3 55.81 0.00 1.96 0.05 0.09 42.09