---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37601 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 629 10329 4 5030 15017 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:72:2c:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84636sec preferred_lft 84636sec inet6 fe80::f816:3eff:fe72:2cc5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:91:cc:4d:09:ab 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-37601) 08/15/26 _x86_64_ (4 CPU) 00:25:42 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 6.34 0.68 5.43 0.22 39.11 1481.08 38.92 00:50:01 11.04 0.52 9.85 0.67 19.27 1748.11 2817.97 Average: 8.69 0.60 7.64 0.45 29.19 1614.59 1428.45 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 9320260 12432052 3530812 21.56 114776 3153860 3701448 21.25 495848 6206012 184 00:50:01 9463232 13028716 2930956 17.90 132340 3562476 3104792 17.82 677840 5842572 25844 Average: 9391746 12730384 3230884 19.73 123558 3358168 3403120 19.53 586844 6024292 13014 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 00:40:01 ens3 18.72 15.80 102.67 4.19 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 207.98 207.98 198.04 198.04 0.00 0.00 0.00 0.00 00:50:01 ens3 40.24 26.94 437.23 4.36 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 104.31 104.31 99.21 99.21 0.00 0.00 0.00 0.00 Average: ens3 29.48 21.37 269.95 4.28 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-37601) 08/15/26 _x86_64_ (4 CPU) 00:25:42 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 51.45 0.00 0.83 0.03 0.09 47.60 00:40:01 0 51.46 0.00 0.94 0.03 0.09 47.47 00:40:01 1 50.03 0.00 0.94 0.03 0.09 48.91 00:40:01 2 56.60 0.00 0.78 0.04 0.09 42.48 00:40:01 3 47.70 0.00 0.64 0.03 0.08 51.54 00:50:01 all 51.70 0.00 0.98 0.03 0.09 47.20 00:50:01 0 51.28 0.00 0.90 0.02 0.08 47.71 00:50:01 1 40.44 0.00 0.88 0.06 0.07 58.54 00:50:01 2 77.55 0.00 1.12 0.01 0.10 21.22 00:50:01 3 37.53 0.00 1.03 0.03 0.09 61.31 Average: all 51.57 0.00 0.90 0.03 0.09 47.40 Average: 0 51.37 0.00 0.92 0.03 0.09 47.59 Average: 1 45.23 0.00 0.91 0.05 0.08 53.73 Average: 2 67.08 0.00 0.95 0.03 0.10 31.85 Average: 3 42.63 0.00 0.83 0.03 0.09 56.42