---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37528 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: 5600.00 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 649 10369 4 4970 14997 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:f7:e4:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84681sec preferred_lft 84681sec inet6 fe80::f816:3eff:fef7:e475/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:7c:03:cd:0f:54 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-37528) 08/14/26 _x86_64_ (4 CPU) 09:54:45 LINUX RESTART (4 CPU) 10:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:05 4.08 0.11 3.80 0.18 8.54 639.41 24.72 10:20:05 13.31 0.52 11.95 0.84 19.88 1901.61 3104.52 Average: 8.79 0.32 7.95 0.52 14.32 1283.06 1595.24 10:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:05 8220464 11413172 4549000 27.78 117444 3231380 5192892 29.81 523376 7282792 700 10:20:05 8930664 12830468 3127504 19.10 136028 3881520 3290068 18.88 721676 6319692 262680 Average: 8575564 12121820 3838252 23.44 126736 3556450 4241480 24.35 622526 6801242 131690 10:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:05 lo 0.64 0.64 0.39 0.39 0.00 0.00 0.00 0.00 10:10:05 ens3 12.59 10.41 83.16 2.37 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:05 lo 336.16 336.16 320.28 320.28 0.00 0.00 0.00 0.00 10:20:05 ens3 35.86 24.13 412.75 3.39 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 171.74 171.74 163.52 163.52 0.00 0.00 0.00 0.00 Average: ens3 24.46 17.41 251.23 2.89 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-37528) 08/14/26 _x86_64_ (4 CPU) 09:54:45 LINUX RESTART (4 CPU) 10:00:28 CPU %user %nice %system %iowait %steal %idle 10:10:05 all 45.85 0.00 0.73 4.70 0.08 48.64 10:10:05 0 47.65 0.00 0.64 0.11 0.08 51.52 10:10:05 1 42.31 0.00 0.73 6.85 0.09 50.02 10:10:05 2 50.31 0.00 0.72 5.65 0.08 43.24 10:10:05 3 43.14 0.00 0.83 6.16 0.09 49.78 10:20:05 all 49.30 0.00 1.02 0.21 0.09 49.38 10:20:05 0 60.72 0.00 1.21 0.06 0.09 37.92 10:20:05 1 49.94 0.00 1.07 0.35 0.10 48.54 10:20:05 2 47.03 0.00 0.94 0.24 0.08 51.70 10:20:05 3 39.53 0.00 0.86 0.20 0.08 59.33 Average: all 47.61 0.00 0.88 2.41 0.09 49.02 Average: 0 54.31 0.00 0.93 0.09 0.08 44.59 Average: 1 46.20 0.00 0.90 3.54 0.09 49.27 Average: 2 48.64 0.00 0.83 2.89 0.08 47.55 Average: 3 41.30 0.00 0.85 3.12 0.08 54.65