---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29893 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 763 9185 4 6039 14882 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:0c:a7:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84491sec preferred_lft 84491sec inet6 fe80::f816:3eff:fe0c:a731/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:0e:93:ef:3c:45 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-29893) 06/23/26 _x86_64_ (4 CPU) 15:47:28 LINUX RESTART (4 CPU) 15:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:09 27.08 3.18 21.87 2.04 753.44 5329.39 10684.33 16:10:01 31.50 0.04 28.13 3.33 1.27 3097.92 13603.19 Average: 29.28 1.62 24.98 2.68 379.84 4221.04 12134.10 15:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:09 8916920 13014020 2940532 17.96 160796 4016252 3223220 18.50 912676 6112316 22680 16:10:01 8422152 13072412 2878276 17.58 188248 4498104 3278480 18.82 1063416 6401452 29800 Average: 8669536 13043216 2909404 17.77 174522 4257178 3250850 18.66 988046 6256884 26240 15:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:09 lo 701.09 701.09 668.01 668.01 0.00 0.00 0.00 0.00 16:00:09 ens3 133.19 98.06 1014.09 19.94 0.00 0.00 0.00 0.00 16:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1532.30 1532.30 1460.62 1460.62 0.00 0.00 0.00 0.00 16:10:01 ens3 52.22 38.86 143.64 12.23 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1113.94 1113.94 1061.69 1061.69 0.00 0.00 0.00 0.00 Average: ens3 92.97 68.66 581.75 16.11 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-29893) 06/23/26 _x86_64_ (4 CPU) 15:47:28 LINUX RESTART (4 CPU) 15:50:09 CPU %user %nice %system %iowait %steal %idle 16:00:09 all 60.47 0.00 2.17 0.10 0.11 37.15 16:00:09 0 60.04 0.00 2.18 0.10 0.11 37.57 16:00:09 1 59.64 0.00 2.24 0.10 0.11 37.91 16:00:09 2 61.81 0.00 2.15 0.14 0.11 35.79 16:00:09 3 60.39 0.00 2.12 0.07 0.11 37.31 16:10:01 all 57.02 0.00 2.48 0.08 0.10 40.31 16:10:01 0 55.16 0.00 2.40 0.06 0.10 42.28 16:10:01 1 60.47 0.00 3.00 0.08 0.11 36.34 16:10:01 2 58.34 0.00 2.31 0.08 0.10 39.17 16:10:01 3 54.10 0.00 2.21 0.11 0.10 43.47 Average: all 58.76 0.00 2.32 0.09 0.11 38.72 Average: 0 57.62 0.00 2.29 0.08 0.10 39.91 Average: 1 60.05 0.00 2.62 0.09 0.11 37.13 Average: 2 60.09 0.00 2.23 0.11 0.11 37.46 Average: 3 57.27 0.00 2.16 0.09 0.11 40.37