---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41490 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 66G 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 696 9240 4 6052 14949 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:fe:1f:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84342sec preferred_lft 84342sec inet6 fe80::f816:3eff:fefe:1fc0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:82:f7:a1:55:54 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-41490) 08/27/26 _x86_64_ (4 CPU) 13:16:01 LINUX RESTART (4 CPU) 13:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:05 23.89 2.53 18.61 2.75 146.17 3563.32 43630.04 13:40:06 16.62 0.18 14.15 2.29 5.45 1615.23 26180.86 13:50:06 29.73 0.31 25.31 4.11 16.72 7344.47 6733.44 Average: 23.41 1.00 19.35 3.05 56.04 4173.41 25506.44 13:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:05 9363204 12864228 3094480 18.90 129032 3493304 3307244 18.98 661148 5959480 736 13:40:06 8892240 12943404 3011108 18.39 150736 3984080 3278936 18.82 799856 6248736 160116 13:50:06 9501532 15346188 599384 3.66 177432 5671820 1124056 6.45 1605188 4730992 12168 Average: 9252325 13717940 2234991 13.65 152400 4383068 2570079 14.75 1022064 5646403 57673 13:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:05 lo 17.26 17.26 3.76 3.76 0.00 0.00 0.00 0.00 13:30:05 ens3 64.60 53.12 671.97 11.22 0.00 0.00 0.00 0.00 13:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:06 lo 925.07 925.07 848.86 848.86 0.00 0.00 0.00 0.00 13:40:06 ens3 31.19 23.43 249.59 5.89 0.00 0.00 0.00 0.00 13:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:06 lo 1754.82 1754.82 1692.45 1692.45 0.00 0.00 0.00 0.00 13:50:06 ens3 104.01 103.04 280.86 926.10 0.00 0.00 0.00 0.00 13:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 899.48 899.48 848.76 848.76 0.00 0.00 0.00 0.00 Average: ens3 66.58 59.85 400.61 314.40 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-41490) 08/27/26 _x86_64_ (4 CPU) 13:16:01 LINUX RESTART (4 CPU) 13:20:06 CPU %user %nice %system %iowait %steal %idle 13:30:05 all 32.61 0.00 1.42 0.23 0.02 65.71 13:30:05 0 33.28 0.00 1.39 0.38 0.02 64.92 13:30:05 1 32.47 0.00 1.27 0.18 0.02 66.06 13:30:05 2 32.07 0.00 1.26 0.19 0.02 66.45 13:30:05 3 32.63 0.00 1.78 0.16 0.02 65.40 13:40:06 all 26.61 0.00 1.64 0.07 0.02 71.67 13:40:06 0 26.61 0.00 1.73 0.09 0.02 71.55 13:40:06 1 26.54 0.00 1.47 0.05 0.02 71.92 13:40:06 2 26.27 0.00 1.84 0.08 0.02 71.79 13:40:06 3 27.00 0.00 1.53 0.04 0.02 71.41 13:50:06 all 41.94 0.00 2.43 0.18 0.02 55.42 13:50:06 0 43.53 0.00 3.02 0.08 0.02 53.34 13:50:06 1 40.39 0.00 1.99 0.26 0.02 57.33 13:50:06 2 40.28 0.00 2.22 0.12 0.02 57.36 13:50:06 3 43.56 0.00 2.51 0.25 0.02 53.67 Average: all 33.72 0.00 1.83 0.16 0.02 64.27 Average: 0 34.47 0.00 2.04 0.19 0.02 63.28 Average: 1 33.13 0.00 1.58 0.16 0.02 65.11 Average: 2 32.87 0.00 1.77 0.13 0.02 65.20 Average: 3 34.40 0.00 1.94 0.15 0.02 63.49