---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22034 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 645 10407 4 4936 15001 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:7f:ba:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84129sec preferred_lft 84129sec inet6 fe80::f816:3eff:fe7f:ba26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:7e:17:34:78:c9 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-22034) 08/10/26 _x86_64_ (4 CPU) 15:36:39 LINUX RESTART (4 CPU) 15:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:06 1.95 0.03 1.90 0.01 1.22 49.68 80.01 16:00:06 12.53 2.00 9.68 0.85 130.33 2841.57 2453.32 16:10:01 27.68 0.83 22.63 4.22 24.99 3645.15 3735.92 Average: 13.98 0.95 11.34 1.68 52.10 2168.06 2078.86 15:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:06 13012740 15508792 465864 2.85 99152 2586204 985032 5.65 337876 2687492 260 16:00:06 10741168 14152676 1807056 11.04 134676 3396084 2134100 12.25 567852 4662468 47044 16:10:01 10664160 15366888 584428 3.57 174724 4551320 1110256 6.37 916416 4280036 387332 Average: 11472689 15009452 952449 5.82 136184 3511203 1409796 8.09 607381 3876665 144879 15:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:06 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 15:50:06 ens3 13.49 10.99 137.86 1.58 0.00 0.00 0.00 0.00 15:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:06 lo 1.17 1.17 0.12 0.12 0.00 0.00 0.00 0.00 16:00:06 ens3 110.58 87.02 655.29 20.00 0.00 0.00 0.00 0.00 16:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1524.88 1524.88 1453.52 1453.52 0.00 0.00 0.00 0.00 16:10:01 ens3 100.42 73.71 462.06 19.66 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 504.23 504.23 480.27 480.27 0.00 0.00 0.00 0.00 Average: ens3 74.57 57.05 417.42 13.69 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-22034) 08/10/26 _x86_64_ (4 CPU) 15:36:39 LINUX RESTART (4 CPU) 15:40:01 CPU %user %nice %system %iowait %steal %idle 15:50:06 all 0.30 0.00 0.07 0.01 0.02 99.60 15:50:06 0 0.50 0.00 0.06 0.00 0.02 99.42 15:50:06 1 0.04 0.00 0.03 0.00 0.02 99.90 15:50:06 2 0.34 0.00 0.06 0.00 0.02 99.58 15:50:06 3 0.31 0.00 0.12 0.05 0.02 99.50 16:00:06 all 56.53 0.00 1.88 0.04 0.09 41.46 16:00:06 0 55.06 0.00 1.80 0.02 0.08 43.03 16:00:06 1 56.05 0.00 1.89 0.07 0.08 41.90 16:00:06 2 57.73 0.00 2.07 0.04 0.09 40.07 16:00:06 3 57.25 0.00 1.76 0.05 0.09 40.85 16:10:01 all 68.26 0.00 2.76 0.18 0.11 28.69 16:10:01 0 69.05 0.00 2.53 0.24 0.11 28.08 16:10:01 1 67.44 0.00 2.68 0.33 0.11 29.44 16:10:01 2 67.87 0.00 3.02 0.10 0.11 28.90 16:10:01 3 68.69 0.00 2.80 0.05 0.11 28.34 Average: all 41.46 0.00 1.56 0.08 0.07 56.84 Average: 0 41.27 0.00 1.45 0.09 0.07 57.12 Average: 1 40.95 0.00 1.53 0.13 0.07 57.32 Average: 2 41.74 0.00 1.71 0.05 0.07 56.44 Average: 3 41.86 0.00 1.55 0.05 0.07 56.46