---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39776 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 12G 67G 15% / 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 742 9457 4 5789 14904 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:16:fd:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84038sec preferred_lft 84038sec inet6 fe80::f816:3eff:fe16:fd70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:f1:7c:c6:ed:74 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-39776) 08/22/26 _x86_64_ (4 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:03 7.95 2.03 5.86 0.05 122.87 1834.19 5.16 00:20:03 26.66 0.64 23.61 2.40 25.50 4403.23 13882.60 00:30:01 30.04 0.06 26.96 3.03 1.87 6076.22 13449.37 Average: 21.54 0.91 18.80 1.83 50.12 4102.96 9108.20 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:03 11000076 13903712 2060916 12.59 115328 2952520 2522776 14.48 398896 4634256 133420 00:20:03 8766284 12816392 3138332 19.17 161568 3959988 3289108 18.88 760504 6401780 174836 00:30:01 7649260 12976176 2972776 18.16 192124 5139644 3178936 18.25 1038716 7174096 28916 Average: 9138540 13232093 2724008 16.64 156340 4017384 2996940 17.20 732705 6070044 112391 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:03 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 00:10:03 ens3 50.81 40.88 551.16 6.54 0.00 0.00 0.00 0.00 00:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:03 lo 1051.60 1051.60 1002.18 1002.18 0.00 0.00 0.00 0.00 00:20:03 ens3 75.09 58.05 358.30 15.25 0.00 0.00 0.00 0.00 00:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 lo 1125.21 1125.21 1071.76 1071.76 0.00 0.00 0.00 0.00 00:30:01 ens3 62.73 47.76 257.75 12.62 0.00 0.00 0.00 0.00 00:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 725.29 725.29 690.97 690.97 0.00 0.00 0.00 0.00 Average: ens3 62.87 48.89 389.18 11.47 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-39776) 08/22/26 _x86_64_ (4 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:03 all 6.74 0.00 0.30 0.04 0.03 92.89 00:10:03 0 6.69 0.00 0.27 0.01 0.03 93.00 00:10:03 1 6.05 0.00 0.34 0.04 0.04 93.53 00:10:03 2 7.33 0.00 0.43 0.08 0.03 92.12 00:10:03 3 6.88 0.00 0.16 0.04 0.03 92.89 00:20:03 all 65.56 0.00 2.34 0.05 0.09 31.96 00:20:03 0 65.20 0.00 2.04 0.05 0.10 32.61 00:20:03 1 65.94 0.00 2.53 0.08 0.10 31.35 00:20:03 2 66.05 0.00 2.49 0.04 0.09 31.33 00:20:03 3 65.03 0.00 2.30 0.04 0.09 32.54 00:30:01 all 56.98 0.00 2.26 0.07 0.09 40.60 00:30:01 0 57.49 0.00 2.37 0.06 0.09 39.99 00:30:01 1 56.47 0.00 2.18 0.10 0.09 41.16 00:30:01 2 58.68 0.00 2.15 0.08 0.09 38.99 00:30:01 3 55.27 0.00 2.35 0.05 0.09 42.24 Average: all 43.04 0.00 1.63 0.06 0.07 55.19 Average: 0 43.10 0.00 1.56 0.04 0.07 55.22 Average: 1 42.79 0.00 1.68 0.07 0.08 55.38 Average: 2 43.97 0.00 1.69 0.07 0.07 54.20 Average: 3 42.31 0.00 1.60 0.05 0.07 55.97