---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38379 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 12G 66G 15% / 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 741 9191 4 6056 14905 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:78:d0:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84049sec preferred_lft 84049sec inet6 fe80::f816:3eff:fe78:d0e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:1b:80:d7:60:33 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38379) 08/17/26 _x86_64_ (4 CPU) 20:24:15 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 17.67 0.82 15.18 1.67 25.08 4200.54 1397.65 20:50:02 55.54 0.00 44.68 10.85 0.08 2962.95 11841.96 21:00:20 29.90 0.14 24.67 5.08 9.98 4787.61 5433.57 Average: 34.33 0.32 28.15 5.86 11.69 3991.88 6217.74 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 8962092 13399792 2552428 15.59 193492 4288004 2951512 16.94 823268 6124152 226200 20:50:02 8413552 13180524 2768008 16.91 214664 4564132 3054556 17.53 910420 6548180 122908 21:00:20 9530352 15367464 576108 3.52 251704 5540804 1115752 6.40 1284956 4974000 208 Average: 8968665 13982593 1965515 12.00 219953 4797647 2373940 13.63 1006215 5882111 116439 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 383.97 383.97 364.85 364.85 0.00 0.00 0.00 0.00 20:40:01 ens3 104.87 74.84 337.29 21.16 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 6138.59 6138.59 5854.58 5854.58 0.00 0.00 0.00 0.00 20:50:02 ens3 77.61 59.13 27.94 20.54 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:20 lo 2288.43 2288.43 2166.10 2166.10 0.00 0.00 0.00 0.00 21:00:20 ens3 119.03 108.69 168.54 163.74 0.00 0.00 0.00 0.00 21:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2931.12 2931.12 2789.46 2789.46 0.00 0.00 0.00 0.00 Average: ens3 100.69 81.17 177.78 69.47 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-38379) 08/17/26 _x86_64_ (4 CPU) 20:24:15 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 69.14 0.00 2.57 0.05 0.09 28.16 20:40:01 0 69.50 0.00 2.95 0.05 0.09 27.41 20:40:01 1 70.54 0.00 2.79 0.05 0.09 26.53 20:40:01 2 69.28 0.00 2.23 0.04 0.09 28.37 20:40:01 3 67.23 0.00 2.29 0.04 0.09 30.35 20:50:02 all 62.39 0.00 4.24 0.10 0.09 33.18 20:50:02 0 61.13 0.00 3.66 0.08 0.09 35.04 20:50:02 1 63.94 0.00 4.88 0.08 0.09 31.01 20:50:02 2 63.03 0.00 4.15 0.10 0.09 32.64 20:50:02 3 61.48 0.00 4.28 0.15 0.09 34.01 21:00:20 all 45.28 0.00 2.47 0.10 0.08 52.08 21:00:20 0 42.03 0.00 2.38 0.08 0.07 55.44 21:00:20 1 46.62 0.00 2.60 0.11 0.07 50.61 21:00:20 2 43.62 0.00 2.28 0.05 0.08 53.97 21:00:20 3 48.85 0.00 2.61 0.16 0.08 48.30 Average: all 58.79 0.00 3.08 0.08 0.08 37.96 Average: 0 57.38 0.00 2.99 0.07 0.08 39.47 Average: 1 60.21 0.00 3.41 0.08 0.08 36.22 Average: 2 58.49 0.00 2.88 0.06 0.08 38.49 Average: 3 59.08 0.00 3.06 0.12 0.08 37.67