---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24838 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 672 9299 4 6017 14974 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:ab:4f:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84568sec preferred_lft 84568sec inet6 fe80::f816:3eff:feab:4fbb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:79:5f:3e:6b:85 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-24838) 01/10/26 _x86_64_ (4 CPU) 01:08:18 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:05 54.19 3.76 33.34 17.08 576.20 4890.87 286567.02 01:30:30 21.92 0.16 18.76 3.00 4.87 1639.49 20035.69 Average: 37.79 1.93 25.93 9.92 285.85 3238.54 151117.10 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:05 9616132 13200488 2757524 16.84 129008 3582488 3054812 17.53 831900 5543760 29664 01:30:30 8977212 12927796 3026748 18.49 148928 3901000 3272484 18.78 962080 6021732 31960 Average: 9296672 13064142 2892136 17.66 138968 3741744 3163648 18.16 896990 5782746 30812 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:05 lo 18.72 18.72 4.05 4.05 0.00 0.00 0.00 0.00 01:20:05 ens3 77.63 59.34 727.76 12.67 0.00 0.00 0.00 0.00 01:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:30 lo 1209.91 1209.91 1120.86 1120.86 0.00 0.00 0.00 0.00 01:30:30 ens3 39.76 29.25 239.58 7.40 0.00 0.00 0.00 0.00 01:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 624.08 624.08 571.61 571.61 0.00 0.00 0.00 0.00 Average: ens3 58.39 44.05 479.67 9.99 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-24838) 01/10/26 _x86_64_ (4 CPU) 01:08:18 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:05 all 37.48 0.00 1.55 0.38 0.09 60.51 01:20:05 0 37.05 0.00 1.70 0.31 0.09 60.86 01:20:05 1 37.81 0.00 1.53 0.40 0.08 60.18 01:20:05 2 37.72 0.00 1.62 0.34 0.09 60.23 01:20:05 3 37.34 0.00 1.33 0.46 0.09 60.78 01:30:30 all 26.19 0.00 1.41 0.14 0.09 72.17 01:30:30 0 26.05 0.00 1.32 0.09 0.09 72.46 01:30:30 1 26.09 0.00 1.50 0.15 0.09 72.17 01:30:30 2 27.02 0.00 1.20 0.24 0.09 71.44 01:30:30 3 25.61 0.00 1.62 0.07 0.09 72.61 Average: all 31.75 0.00 1.48 0.26 0.09 66.43 Average: 0 31.46 0.00 1.51 0.20 0.09 66.75 Average: 1 31.85 0.00 1.51 0.28 0.09 66.27 Average: 2 32.29 0.00 1.41 0.29 0.09 65.93 Average: 3 31.38 0.00 1.48 0.26 0.09 66.79