---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46649 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 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 706 9285 4 5997 14939 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:e4:c7:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84386sec preferred_lft 84386sec inet6 fe80::f816:3eff:fee4:c786/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:d3:6e:13:f6:dc 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-46649) 09/01/26 _x86_64_ (4 CPU) 15:45:55 LINUX RESTART (4 CPU) 15:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:06 26.77 2.85 21.87 2.05 173.36 5603.88 18847.39 16:10:00 30.93 0.04 27.58 3.31 1.15 3086.61 22832.21 Average: 28.84 1.45 24.71 2.68 87.70 4351.75 20829.51 15:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:06 9330096 13357636 2595720 15.85 166504 3937308 2807896 16.12 739432 5844340 13968 16:10:00 8105324 12687664 3261608 19.92 190472 4424012 3492272 20.05 887604 6894212 12980 Average: 8717710 13022650 2928664 17.89 178488 4180660 3150084 18.08 813518 6369276 13474 15:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:06 lo 768.84 768.84 732.55 732.55 0.00 0.00 0.00 0.00 16:00:06 ens3 110.85 85.22 1193.73 18.82 0.00 0.00 0.00 0.00 16:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:00 lo 1761.98 1761.98 1679.78 1679.78 0.00 0.00 0.00 0.00 16:10:00 ens3 36.16 28.11 161.64 10.98 0.00 0.00 0.00 0.00 16:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1262.84 1262.84 1203.72 1203.72 0.00 0.00 0.00 0.00 Average: ens3 73.70 56.81 680.35 14.92 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-46649) 09/01/26 _x86_64_ (4 CPU) 15:45:55 LINUX RESTART (4 CPU) 15:50:06 CPU %user %nice %system %iowait %steal %idle 16:00:06 all 60.69 0.00 2.51 0.11 0.04 36.64 16:00:06 0 59.01 0.00 2.57 0.13 0.03 38.26 16:00:06 1 61.95 0.00 2.66 0.08 0.04 35.28 16:00:06 2 61.97 0.00 2.53 0.14 0.07 35.29 16:00:06 3 59.85 0.00 2.27 0.09 0.04 37.75 16:10:00 all 56.37 0.00 2.84 0.07 0.03 40.68 16:10:00 0 54.57 0.00 2.88 0.11 0.03 42.41 16:10:00 1 57.04 0.00 2.96 0.06 0.03 39.92 16:10:00 2 56.72 0.00 2.86 0.07 0.04 40.31 16:10:00 3 57.17 0.00 2.65 0.06 0.04 40.09 Average: all 58.55 0.00 2.67 0.09 0.04 38.65 Average: 0 56.80 0.00 2.72 0.12 0.03 40.32 Average: 1 59.51 0.00 2.81 0.07 0.03 37.58 Average: 2 59.36 0.00 2.69 0.11 0.05 37.79 Average: 3 58.52 0.00 2.46 0.08 0.04 38.91