---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38819 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 10G 68G 13% / 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 663 10889 4 4436 14983 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:52:1a:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84552sec preferred_lft 84552sec inet6 fe80::f816:3eff:fe52:1ad5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:f3:23:62:d4:53 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-38819) 08/19/26 _x86_64_ (4 CPU) 20:53:14 LINUX RESTART (4 CPU) 21:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:05 35.06 2.56 27.23 5.27 141.31 3710.21 4069.46 21:20:07 40.50 0.16 33.27 7.07 10.46 4030.56 5790.57 Average: 37.78 1.36 30.25 6.17 75.83 3870.52 4930.75 21:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:05 10347340 13773540 2186644 13.36 149820 3397600 2414032 13.86 553708 5095104 126668 21:20:07 11198688 15378500 575932 3.52 201956 4031564 1108164 6.36 790628 3900620 56 Average: 10773014 14576020 1381288 8.44 175888 3714582 1761098 10.11 672168 4497862 63362 21:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:05 lo 3290.52 3290.52 3138.83 3138.83 0.00 0.00 0.00 0.00 21:10:05 ens3 122.34 102.29 805.46 25.39 0.00 0.00 0.00 0.00 21:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:07 lo 3277.19 3277.19 3116.92 3116.92 0.00 0.00 0.00 0.00 21:20:07 ens3 115.74 98.45 142.70 105.80 0.00 0.00 0.00 0.00 21:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3283.85 3283.85 3127.87 3127.87 0.00 0.00 0.00 0.00 Average: ens3 119.03 100.37 473.80 65.63 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-38819) 08/19/26 _x86_64_ (4 CPU) 20:53:14 LINUX RESTART (4 CPU) 21:00:05 CPU %user %nice %system %iowait %steal %idle 21:10:05 all 47.90 0.00 3.08 2.13 0.09 46.80 21:10:05 0 47.46 0.00 3.07 2.94 0.09 46.44 21:10:05 1 47.95 0.00 2.97 2.59 0.10 46.39 21:10:05 2 47.56 0.00 3.15 0.11 0.09 49.09 21:10:05 3 48.61 0.00 3.14 2.88 0.10 45.29 21:20:07 all 52.25 0.00 3.28 0.13 0.11 44.23 21:20:07 0 54.76 0.00 3.06 0.06 0.12 42.00 21:20:07 1 50.61 0.00 3.96 0.14 0.11 45.19 21:20:07 2 49.70 0.00 2.93 0.11 0.12 47.13 21:20:07 3 53.93 0.00 3.16 0.20 0.12 42.60 Average: all 50.08 0.00 3.18 1.13 0.10 45.51 Average: 0 51.12 0.00 3.06 1.50 0.11 44.22 Average: 1 49.28 0.00 3.47 1.36 0.10 45.79 Average: 2 48.63 0.00 3.04 0.11 0.11 48.11 Average: 3 51.27 0.00 3.15 1.53 0.11 43.94