---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3005 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 9.8G 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 613 11187 4 4188 15033 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:cd:4c:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84516sec preferred_lft 84516sec inet6 fe80::f816:3eff:fecd:4cc6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:e8:b0:36:72:d2 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-3005) 08/07/26 _x86_64_ (4 CPU) 06:35:16 LINUX RESTART (4 CPU) 06:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:06 2.13 0.08 2.03 0.02 2.02 73.53 0.77 07:00:08 14.22 1.93 11.37 0.92 128.77 2933.67 2067.35 Average: 8.15 1.00 6.68 0.47 65.19 1498.98 1030.72 06:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:06 12711808 15247808 722780 4.41 106276 2615232 1292356 7.42 354032 2985912 32268 07:00:08 10473132 13895200 2064260 12.61 135740 3402588 2390816 13.72 566252 4949556 17008 Average: 11592470 14571504 1393520 8.51 121008 3008910 1841586 10.57 460142 3967734 24638 06:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:06 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 06:50:06 ens3 31.09 27.14 293.71 4.40 0.00 0.00 0.00 0.00 06:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:08 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 07:00:08 ens3 94.14 72.66 558.14 17.21 0.00 0.00 0.00 0.00 07:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 62.52 49.83 425.50 10.78 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-3005) 08/07/26 _x86_64_ (4 CPU) 06:35:16 LINUX RESTART (4 CPU) 06:40:01 CPU %user %nice %system %iowait %steal %idle 06:50:06 all 0.94 0.00 0.12 0.02 0.02 98.90 06:50:06 0 0.91 0.00 0.15 0.02 0.01 98.91 06:50:06 1 0.94 0.00 0.07 0.00 0.03 98.95 06:50:06 2 1.15 0.00 0.14 0.03 0.02 98.66 06:50:06 3 0.75 0.00 0.13 0.01 0.01 99.09 07:00:08 all 60.04 0.00 2.01 6.06 0.11 31.79 07:00:08 0 59.57 0.00 2.19 4.48 0.11 33.66 07:00:08 1 60.97 0.00 2.03 9.19 0.11 27.71 07:00:08 2 60.95 0.00 1.92 6.23 0.10 30.81 07:00:08 3 58.66 0.00 1.89 4.36 0.11 34.98 Average: all 30.37 0.00 1.06 3.03 0.06 65.48 Average: 0 30.13 0.00 1.16 2.24 0.06 66.40 Average: 1 30.84 0.00 1.05 4.58 0.07 63.46 Average: 2 30.94 0.00 1.02 3.11 0.06 64.86 Average: 3 29.58 0.00 1.01 2.17 0.06 67.18