---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36964 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: 5599.94 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 600 10513 4 4876 15046 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:37:56:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84311sec preferred_lft 84311sec inet6 fe80::f816:3eff:fe37:56e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:c2:c1:d7:07:3c 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-36964) 08/12/26 _x86_64_ (4 CPU) 15:28:57 LINUX RESTART (4 CPU) 15:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:02 26.26 0.96 11.53 13.76 42.53 2160.16 241023.93 15:50:01 12.17 1.88 9.59 0.70 123.05 2704.94 1874.43 16:00:00 29.49 0.81 25.23 3.45 29.33 4350.41 4593.67 Average: 22.64 1.22 15.45 5.97 64.97 3071.26 82561.36 15:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:02 13015228 15517796 457188 2.79 99328 2592240 990012 5.68 343688 2679796 328 15:50:01 10817228 14169436 1791140 10.94 132776 3343464 2110528 12.11 555644 4628860 23192 16:00:00 8591284 13117164 2834468 17.31 170196 4394460 3564200 20.46 870228 6417580 11888 Average: 10807913 14268132 1694265 10.35 134100 3443388 2221580 12.75 589853 4575412 11803 15:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:02 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:40:02 ens3 29.28 23.19 322.93 3.86 0.00 0.00 0.00 0.00 15:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 0.97 0.97 0.10 0.10 0.00 0.00 0.00 0.00 15:50:01 ens3 77.47 64.07 641.58 13.37 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:00 lo 1611.06 1611.06 1535.86 1535.86 0.00 0.00 0.00 0.00 16:00:00 ens3 77.36 58.13 449.07 13.81 0.00 0.00 0.00 0.00 16:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 537.02 537.02 511.60 511.60 0.00 0.00 0.00 0.00 Average: ens3 61.36 48.45 471.16 10.34 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-36964) 08/12/26 _x86_64_ (4 CPU) 15:28:57 LINUX RESTART (4 CPU) 15:30:02 CPU %user %nice %system %iowait %steal %idle 15:40:02 all 2.04 0.00 0.24 0.17 0.02 97.53 15:40:02 0 1.03 0.00 0.19 0.46 0.02 98.29 15:40:02 1 1.73 0.00 0.17 0.04 0.02 98.04 15:40:02 2 4.10 0.00 0.37 0.14 0.03 95.36 15:40:02 3 1.30 0.00 0.22 0.03 0.02 98.42 15:50:01 all 49.63 0.00 1.65 0.04 0.08 48.60 15:50:01 0 48.81 0.00 1.40 0.06 0.07 49.66 15:50:01 1 51.93 0.00 2.12 0.03 0.08 45.84 15:50:01 2 49.10 0.00 1.61 0.04 0.08 49.17 15:50:01 3 48.69 0.00 1.47 0.03 0.08 49.74 16:00:00 all 68.52 0.00 2.74 0.05 0.10 28.59 16:00:00 0 65.60 0.00 2.78 0.03 0.10 31.49 16:00:00 1 69.52 0.00 2.57 0.05 0.10 27.75 16:00:00 2 73.10 0.00 2.99 0.05 0.10 23.76 16:00:00 3 65.85 0.00 2.63 0.08 0.10 31.34 Average: all 40.02 0.00 1.54 0.09 0.07 58.28 Average: 0 38.46 0.00 1.46 0.18 0.06 59.84 Average: 1 41.00 0.00 1.62 0.04 0.07 57.27 Average: 2 42.07 0.00 1.66 0.08 0.07 56.13 Average: 3 38.57 0.00 1.44 0.05 0.07 59.88