---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39978 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 68G 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 624 10879 4 4485 15022 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:98:22:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84985sec preferred_lft 84985sec inet6 fe80::f816:3eff:fe98:22cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:38:06:a4:4c:4c 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-39978) 08/22/26 _x86_64_ (4 CPU) 09:08:46 LINUX RESTART (4 CPU) 09:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:17 13.87 3.07 10.40 0.40 168.61 2898.07 782.09 09:30:15 33.59 0.61 27.77 5.20 25.22 5278.79 4241.19 Average: 23.69 1.84 19.06 2.79 97.15 4084.51 2505.94 09:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:17 11579648 14473528 1491484 9.11 113608 2951080 1884940 10.82 444972 4027896 31112 09:30:15 11163440 15397432 559812 3.42 150288 4182200 1117524 6.41 876988 3919428 556 Average: 11371544 14935480 1025648 6.26 131948 3566640 1501232 8.62 660980 3973662 15834 09:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:17 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 09:20:17 ens3 71.02 57.81 679.39 11.54 0.00 0.00 0.00 0.00 09:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:15 lo 2271.43 2271.43 2162.73 2162.73 0.00 0.00 0.00 0.00 09:30:15 ens3 102.39 80.86 438.36 36.87 0.00 0.00 0.00 0.00 09:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1132.14 1132.14 1077.82 1077.82 0.00 0.00 0.00 0.00 Average: ens3 86.65 69.30 559.27 24.16 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-39978) 08/22/26 _x86_64_ (4 CPU) 09:08:46 LINUX RESTART (4 CPU) 09:10:15 CPU %user %nice %system %iowait %steal %idle 09:20:17 all 9.89 0.00 0.50 0.08 0.04 89.49 09:20:17 0 9.10 0.00 0.40 0.10 0.04 90.37 09:20:17 1 9.06 0.00 0.56 0.05 0.05 90.29 09:20:17 2 9.47 0.00 0.42 0.10 0.04 89.96 09:20:17 3 11.94 0.00 0.64 0.06 0.03 87.33 09:30:15 all 56.61 0.00 2.75 0.09 0.09 40.46 09:30:15 0 55.93 0.00 2.69 0.05 0.09 41.25 09:30:15 1 56.26 0.00 2.63 0.07 0.09 40.95 09:30:15 2 57.21 0.00 3.21 0.13 0.09 39.36 09:30:15 3 57.04 0.00 2.48 0.11 0.09 40.28 Average: all 33.15 0.00 1.62 0.08 0.06 65.07 Average: 0 32.42 0.00 1.54 0.07 0.06 65.91 Average: 1 32.57 0.00 1.59 0.06 0.07 65.72 Average: 2 33.23 0.00 1.81 0.12 0.06 64.78 Average: 3 34.40 0.00 1.56 0.08 0.06 63.90