---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15480 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: 5599.99 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 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 8.4G 69G 11% / 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 682 12762 4 2543 14982 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:46:a7:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83816sec preferred_lft 83816sec inet6 fe80::f816:3eff:fe46:a7c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:57:26:f4:b2:f6 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-15480) 05/15/26 _x86_64_ (4 CPU) 10:00:04 LINUX RESTART (4 CPU) 10:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:05 1.58 0.01 1.57 0.00 0.05 17.08 0.13 10:30:05 1.44 0.00 1.44 0.00 0.00 15.57 0.00 10:40:05 24.47 1.33 22.71 0.43 97.60 790.84 326.27 Average: 9.16 0.45 8.57 0.14 32.55 274.52 108.81 10:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:05 13806232 15555856 463296 2.83 54488 1921980 1143508 6.56 194072 2120272 172 10:30:05 13806232 15556440 462620 2.83 55056 1921988 1143508 6.56 194648 2120352 196 10:40:05 13248436 15372304 623708 3.81 82196 2248868 1237936 7.11 247976 2593532 200508 Average: 13620300 15494867 516541 3.15 63913 2030945 1174984 6.74 212232 2278052 66959 10:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:05 ens3 0.22 0.09 0.04 0.02 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:05 ens3 0.22 0.10 0.04 0.02 0.00 0.00 0.00 0.00 10:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:05 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 10:40:05 ens3 22.34 16.79 137.32 5.06 0.00 0.00 0.00 0.00 10:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 7.60 5.66 45.80 1.70 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-15480) 05/15/26 _x86_64_ (4 CPU) 10:00:04 LINUX RESTART (4 CPU) 10:10:05 CPU %user %nice %system %iowait %steal %idle 10:20:05 all 0.15 0.00 0.04 0.01 0.01 99.80 10:20:05 0 0.06 0.00 0.05 0.00 0.01 99.88 10:20:05 1 0.35 0.00 0.05 0.02 0.01 99.57 10:20:05 2 0.16 0.00 0.03 0.01 0.01 99.78 10:20:05 3 0.02 0.00 0.02 0.00 0.01 99.95 10:30:05 all 0.13 0.00 0.04 0.01 0.01 99.82 10:30:05 0 0.02 0.00 0.03 0.00 0.01 99.94 10:30:05 1 0.44 0.00 0.06 0.00 0.02 99.48 10:30:05 2 0.02 0.00 0.03 0.03 0.01 99.91 10:30:05 3 0.02 0.00 0.03 0.00 0.01 99.94 10:40:05 all 1.93 0.00 0.23 0.24 0.02 97.58 10:40:05 0 1.97 0.00 0.17 0.08 0.01 97.77 10:40:05 1 2.59 0.00 0.30 0.07 0.03 97.01 10:40:05 2 1.65 0.00 0.33 0.75 0.02 97.25 10:40:05 3 1.51 0.00 0.14 0.05 0.01 98.30 Average: all 0.74 0.00 0.10 0.08 0.01 99.07 Average: 0 0.69 0.00 0.08 0.03 0.01 99.20 Average: 1 1.12 0.00 0.14 0.03 0.02 98.69 Average: 2 0.61 0.00 0.13 0.26 0.01 98.98 Average: 3 0.52 0.00 0.06 0.02 0.01 99.40