---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3656 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 698 10319 4 4971 14947 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:fa:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83710sec preferred_lft 83710sec inet6 fe80::f816:3eff:fe52:fab2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:24:d6:cb:60:6e 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-3656) 08/09/26 _x86_64_ (4 CPU) 01:09:05 LINUX RESTART (4 CPU) 01:10:51 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:51 10.88 0.97 9.35 0.56 40.43 1725.63 402.55 01:30:01 7.29 2.02 5.16 0.11 131.77 1484.65 323.93 01:40:24 24.73 0.47 10.11 14.15 19.98 2286.08 232183.26 01:50:00 33.07 0.62 28.06 4.39 23.69 4071.27 2356.03 Average: 19.15 1.00 13.16 5.00 52.31 2392.89 62315.50 01:10:51 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:51 12897980 15492612 480016 2.93 102416 2680452 1005156 5.77 368104 2768500 4 01:30:01 11257516 14310396 1652784 10.09 121228 3092008 2262076 12.98 496608 4284472 33520 01:40:24 10066784 13816208 2139812 13.07 152764 3687656 2399988 13.78 677968 5213140 24612 01:50:00 10639748 15370628 579060 3.54 178760 4579404 1113872 6.39 934888 4290604 4 Average: 11215507 14747461 1212918 7.41 138792 3509880 1695273 9.73 619392 4139179 14535 01:10:51 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:51 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 01:20:51 ens3 32.44 25.77 337.23 3.09 0.00 0.00 0.00 0.00 01:20:51 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 01:30:01 ens3 77.89 63.20 772.73 9.26 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:24 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 01:40:24 ens3 70.57 53.49 92.91 17.07 0.00 0.00 0.00 0.00 01:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:00 lo 1880.58 1880.58 1786.63 1786.63 0.00 0.00 0.00 0.00 01:50:00 ens3 104.71 85.10 448.92 87.02 0.00 0.00 0.00 0.00 01:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 461.60 461.60 438.12 438.12 0.00 0.00 0.00 0.00 Average: ens3 70.92 56.44 401.88 28.82 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-3656) 08/09/26 _x86_64_ (4 CPU) 01:09:05 LINUX RESTART (4 CPU) 01:10:51 CPU %user %nice %system %iowait %steal %idle 01:20:51 all 0.93 0.00 0.22 0.08 0.02 98.74 01:20:51 0 0.77 0.00 0.20 0.06 0.02 98.95 01:20:51 1 1.62 0.00 0.23 0.08 0.03 98.03 01:20:51 2 0.89 0.00 0.33 0.04 0.03 98.71 01:20:51 3 0.44 0.00 0.13 0.16 0.01 99.26 01:30:01 all 10.07 0.00 0.44 0.05 0.04 89.41 01:30:01 0 10.26 0.00 0.48 0.07 0.03 89.16 01:30:01 1 9.56 0.00 0.40 0.02 0.03 89.99 01:30:01 2 10.85 0.00 0.39 0.03 0.04 88.68 01:30:01 3 9.61 0.00 0.47 0.07 0.04 89.81 01:40:24 all 72.50 0.00 2.26 0.05 0.10 25.09 01:40:24 0 71.26 0.00 2.18 0.04 0.11 26.41 01:40:24 1 71.94 0.00 2.12 0.04 0.11 25.80 01:40:24 2 72.88 0.00 2.54 0.06 0.10 24.42 01:40:24 3 73.93 0.00 2.20 0.05 0.10 23.71 01:50:00 all 47.76 0.00 2.24 0.12 0.08 49.79 01:50:00 0 45.14 0.00 1.86 0.05 0.08 52.87 01:50:00 1 48.15 0.00 2.50 0.25 0.08 49.02 01:50:00 2 49.73 0.00 2.31 0.08 0.08 47.79 01:50:00 3 48.02 0.00 2.30 0.12 0.07 49.50 Average: all 33.51 0.00 1.31 0.08 0.06 65.04 Average: 0 32.54 0.00 1.20 0.05 0.06 66.15 Average: 1 33.51 0.00 1.33 0.10 0.06 65.01 Average: 2 34.29 0.00 1.42 0.05 0.06 64.18 Average: 3 33.72 0.00 1.29 0.10 0.06 64.83