---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37556 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 680 10022 4 5286 14966 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:84:ef:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84261sec preferred_lft 84261sec inet6 fe80::f816:3eff:fe84:ef72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:27:c8:de:7f:f3 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-37556) 08/14/26 _x86_64_ (4 CPU) 14:38:24 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:15 25.96 1.25 10.98 13.73 264.95 2585.77 256450.29 15:00:16 14.73 2.00 11.73 0.99 130.19 3128.26 1969.68 15:10:01 35.57 0.97 30.36 4.24 34.83 4752.76 3955.11 Average: 25.34 1.41 17.53 6.39 145.12 3471.66 89387.88 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:15 12663200 15514816 453880 2.77 106144 2930484 999012 5.73 429400 2933176 96 15:00:16 10137176 13978956 1978112 12.08 147872 3797148 2366260 13.58 679424 5140844 26464 15:10:01 10345660 15398772 550408 3.36 182016 4886012 1120104 6.43 1003948 4500392 80 Average: 11048679 14964181 994133 6.07 145344 3871215 1495125 8.58 704257 4191471 8880 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:15 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 14:50:15 ens3 43.21 27.53 662.52 3.76 0.00 0.00 0.00 0.00 14:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:16 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 15:00:16 ens3 105.57 84.74 655.09 21.07 0.00 0.00 0.00 0.00 15:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1617.50 1617.50 1539.22 1539.22 0.00 0.00 0.00 0.00 15:10:01 ens3 101.21 78.61 470.84 73.44 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 526.63 526.63 500.70 500.70 0.00 0.00 0.00 0.00 Average: ens3 82.89 63.24 597.70 32.20 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-37556) 08/14/26 _x86_64_ (4 CPU) 14:38:24 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:15 all 1.35 0.00 0.29 0.13 0.02 98.21 14:50:15 0 2.95 0.00 0.41 0.12 0.03 96.50 14:50:15 1 0.56 0.00 0.27 0.21 0.01 98.94 14:50:15 2 1.17 0.00 0.25 0.11 0.01 98.45 14:50:15 3 0.75 0.00 0.21 0.09 0.01 98.94 15:00:16 all 66.42 0.00 2.14 0.04 0.11 31.29 15:00:16 0 66.50 0.00 2.09 0.07 0.11 31.23 15:00:16 1 66.25 0.00 2.30 0.03 0.11 31.31 15:00:16 2 68.48 0.00 2.27 0.03 0.11 29.12 15:00:16 3 64.46 0.00 1.90 0.03 0.11 33.51 15:10:01 all 62.30 0.00 2.56 0.09 0.11 34.94 15:10:01 0 65.00 0.00 2.26 0.10 0.11 32.54 15:10:01 1 62.63 0.00 3.11 0.04 0.11 34.09 15:10:01 2 62.25 0.00 2.71 0.11 0.11 34.82 15:10:01 3 59.31 0.00 2.18 0.11 0.11 38.30 Average: all 42.89 0.00 1.64 0.09 0.08 55.30 Average: 0 44.35 0.00 1.57 0.10 0.08 53.89 Average: 1 42.65 0.00 1.87 0.10 0.08 55.30 Average: 2 43.49 0.00 1.73 0.08 0.08 54.62 Average: 3 41.05 0.00 1.41 0.08 0.07 57.39