---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3182 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 688 10333 4 4966 14957 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:9d:d6:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82477sec preferred_lft 82477sec inet6 fe80::f816:3eff:fe9d:d6f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:08:d6:14:4a:de 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-3182) 08/07/26 _x86_64_ (4 CPU) 11:52:35 LINUX RESTART (4 CPU) 12:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:06 14.68 0.01 1.58 13.09 0.45 28.89 238778.88 12:20:06 1.50 0.00 1.50 0.00 0.01 26.52 0.00 12:30:01 5.27 0.06 4.70 0.52 2.30 311.18 63.05 12:40:15 12.81 1.83 10.29 0.69 120.33 2563.52 1262.41 12:50:05 29.30 0.83 24.89 3.58 29.85 3267.49 13824.98 Average: 12.67 0.55 8.54 3.58 30.99 1238.18 51064.12 12:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:06 13024344 15525748 448504 2.74 98764 2592032 986660 5.66 341916 2668044 184 12:20:06 13022052 15524856 449384 2.74 99920 2591952 986788 5.66 343080 2673088 236 12:30:01 12897620 15497640 474676 2.90 105452 2682568 986848 5.66 374300 2744352 264 12:40:15 10666976 14091172 1868516 11.41 136964 3410704 2269624 13.03 580828 4746652 22300 12:50:05 8940596 13245576 2705876 16.53 173736 4180540 2846436 16.34 806052 6120264 55896 Average: 11710318 14776998 1189391 7.26 122967 3091559 1615271 9.27 489235 3790480 15776 12:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:10:06 ens3 8.11 6.54 94.44 0.77 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:06 ens3 7.85 6.41 85.96 0.74 0.00 0.00 0.00 0.00 12:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 ens3 10.42 7.40 169.71 0.77 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:15 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 12:40:15 ens3 83.71 67.21 602.76 15.55 0.00 0.00 0.00 0.00 12:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:05 lo 1695.10 1695.10 1615.77 1615.77 0.00 0.00 0.00 0.00 12:50:05 ens3 90.45 66.44 410.66 18.54 0.00 0.00 0.00 0.00 12:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 333.17 333.17 317.36 317.36 0.00 0.00 0.00 0.00 Average: ens3 40.13 30.84 273.60 7.27 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-3182) 08/07/26 _x86_64_ (4 CPU) 11:52:35 LINUX RESTART (4 CPU) 12:00:01 CPU %user %nice %system %iowait %steal %idle 12:10:06 all 0.09 0.00 0.04 0.03 0.01 99.82 12:10:06 0 0.03 0.00 0.03 0.07 0.01 99.85 12:10:06 1 0.07 0.00 0.04 0.02 0.02 99.84 12:10:06 2 0.03 0.00 0.03 0.00 0.01 99.93 12:10:06 3 0.25 0.00 0.07 0.00 0.01 99.67 12:20:06 all 0.32 0.00 0.04 0.01 0.01 99.62 12:20:06 0 0.03 0.00 0.01 0.00 0.00 99.96 12:20:06 1 0.95 0.00 0.05 0.01 0.02 98.96 12:20:06 2 0.04 0.00 0.04 0.01 0.02 99.89 12:20:06 3 0.24 0.00 0.07 0.01 0.01 99.67 12:30:01 all 0.24 0.00 0.13 0.04 0.01 99.57 12:30:01 0 0.20 0.00 0.08 0.01 0.00 99.71 12:30:01 1 0.19 0.00 0.09 0.02 0.03 99.67 12:30:01 2 0.28 0.00 0.26 0.13 0.01 99.32 12:30:01 3 0.30 0.00 0.10 0.02 0.01 99.57 12:40:15 all 46.37 0.00 1.57 0.03 0.08 51.94 12:40:15 0 45.86 0.00 1.52 0.05 0.08 52.49 12:40:15 1 47.34 0.00 1.82 0.02 0.08 50.73 12:40:15 2 46.38 0.00 1.36 0.04 0.08 52.14 12:40:15 3 45.92 0.00 1.58 0.03 0.08 52.39 12:50:05 all 68.57 0.00 2.73 0.05 0.11 28.54 12:50:05 0 68.45 0.00 2.62 0.03 0.11 28.79 12:50:05 1 70.11 0.00 3.10 0.05 0.11 26.63 12:50:05 2 67.62 0.00 2.67 0.06 0.11 29.55 12:50:05 3 68.09 0.00 2.54 0.07 0.10 29.19 Average: all 23.05 0.00 0.90 0.03 0.04 75.97 Average: 0 22.83 0.00 0.85 0.03 0.04 76.25 Average: 1 23.68 0.00 1.02 0.02 0.05 75.22 Average: 2 22.81 0.00 0.87 0.05 0.05 76.23 Average: 3 22.88 0.00 0.87 0.03 0.04 76.18