---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3189 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 699 10419 4 4870 14947 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:41:60:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84000sec preferred_lft 84000sec inet6 fe80::f816:3eff:fe41:6066/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:1f:24:48:b5:98 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-3189) 08/07/26 _x86_64_ (4 CPU) 13:41:24 LINUX RESTART (4 CPU) 13:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:01 8.83 1.92 6.59 0.32 125.83 1924.48 541.04 14:10:01 10.46 0.47 8.87 1.12 18.83 2121.19 2698.23 14:20:14 25.39 0.57 20.91 3.91 21.53 3531.35 4245.31 Average: 15.01 0.98 12.23 1.81 54.62 2537.43 2522.15 13:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:01 10993724 14138364 1823972 11.14 122392 3165844 2341604 13.44 503496 4515876 60960 14:10:01 9840204 13567280 2389408 14.59 151540 3659836 2720504 15.62 658708 5454704 24124 14:20:14 10747616 15375448 575380 3.51 177296 4479776 1085836 6.23 902684 4206604 72 Average: 10527181 14360364 1596253 9.75 150409 3768485 2049315 11.76 688296 4725728 28385 13:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:01 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 14:00:01 ens3 78.45 64.53 756.78 10.81 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 14:10:01 ens3 71.47 53.51 52.21 17.45 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:14 lo 1751.95 1751.95 1658.21 1658.21 0.00 0.00 0.00 0.00 14:20:14 ens3 106.90 96.18 428.61 153.30 0.00 0.00 0.00 0.00 14:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 597.41 597.41 564.90 564.90 0.00 0.00 0.00 0.00 Average: ens3 85.81 71.63 410.05 61.56 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-3189) 08/07/26 _x86_64_ (4 CPU) 13:41:24 LINUX RESTART (4 CPU) 13:50:14 CPU %user %nice %system %iowait %steal %idle 14:00:01 all 26.43 0.00 0.89 0.03 0.05 72.60 14:00:01 0 27.01 0.00 1.01 0.06 0.05 71.87 14:00:01 1 26.80 0.00 0.86 0.01 0.05 72.28 14:00:01 2 24.72 0.00 0.78 0.02 0.06 74.42 14:00:01 3 27.20 0.00 0.89 0.02 0.06 71.83 14:10:01 all 71.88 0.00 2.30 0.02 0.12 25.67 14:10:01 0 70.07 0.00 2.35 0.02 0.12 27.44 14:10:01 1 73.20 0.00 2.12 0.02 0.12 24.54 14:10:01 2 71.89 0.00 2.20 0.02 0.12 25.77 14:10:01 3 72.38 0.00 2.53 0.04 0.12 24.92 14:20:14 all 37.31 0.00 1.93 0.05 0.08 60.62 14:20:14 0 35.04 0.00 1.57 0.03 0.08 63.28 14:20:14 1 36.68 0.00 1.90 0.07 0.07 61.28 14:20:14 2 39.98 0.00 2.18 0.04 0.08 57.72 14:20:14 3 37.55 0.00 2.07 0.08 0.08 60.21 Average: all 45.28 0.00 1.71 0.04 0.09 52.88 Average: 0 44.10 0.00 1.65 0.04 0.08 54.14 Average: 1 45.62 0.00 1.63 0.03 0.08 52.63 Average: 2 45.64 0.00 1.73 0.03 0.09 52.52 Average: 3 45.78 0.00 1.84 0.05 0.09 52.24