---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11751 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 11G 67G 14% / 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 658 10030 4 5300 14988 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:66:8c:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84695sec preferred_lft 84695sec inet6 fe80::f816:3eff:fe66:8cfc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:8c:af:29:51:de 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-11751) 05/07/26 _x86_64_ (4 CPU) 14:18:52 LINUX RESTART (4 CPU) 14:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:15 66.18 3.46 54.20 8.52 180.92 5369.61 164931.25 14:40:15 17.80 0.15 15.16 2.49 4.48 1468.13 26873.13 Average: 41.99 1.81 34.68 5.50 92.70 3418.87 95902.19 14:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:15 9168880 12517604 3442320 21.02 149704 3339320 3961168 22.74 679120 6151988 10264 14:40:15 9354208 13031436 2925088 17.87 167540 3623864 3123488 17.93 786476 5821796 13528 Average: 9261544 12774520 3183704 19.44 158622 3481592 3542328 20.33 732798 5986892 11896 14:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:15 lo 17.04 17.04 3.66 3.66 0.00 0.00 0.00 0.00 14:30:15 ens3 64.87 50.46 757.90 9.72 0.00 0.00 0.00 0.00 14:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:15 lo 934.98 934.98 859.39 859.39 0.00 0.00 0.00 0.00 14:40:15 ens3 26.57 18.58 243.62 3.52 0.00 0.00 0.00 0.00 14:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 476.01 476.01 431.53 431.53 0.00 0.00 0.00 0.00 Average: ens3 45.72 34.52 500.76 6.62 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-11751) 05/07/26 _x86_64_ (4 CPU) 14:18:52 LINUX RESTART (4 CPU) 14:20:15 CPU %user %nice %system %iowait %steal %idle 14:30:15 all 36.04 0.00 1.58 0.53 0.11 61.74 14:30:15 0 35.62 0.00 1.72 0.58 0.11 61.97 14:30:15 1 33.99 0.00 1.44 0.34 0.11 64.11 14:30:15 2 37.99 0.00 1.68 0.98 0.11 59.23 14:30:15 3 36.57 0.00 1.47 0.21 0.11 61.64 14:40:15 all 25.33 0.00 1.40 0.13 0.12 73.01 14:40:15 0 24.91 0.00 1.28 0.23 0.11 73.48 14:40:15 1 26.01 0.00 1.34 0.09 0.12 72.44 14:40:15 2 25.90 0.00 1.62 0.09 0.13 72.27 14:40:15 3 24.52 0.00 1.37 0.13 0.11 73.87 Average: all 30.69 0.00 1.49 0.33 0.11 67.38 Average: 0 30.26 0.00 1.50 0.40 0.11 67.72 Average: 1 30.00 0.00 1.39 0.21 0.12 68.28 Average: 2 31.95 0.00 1.65 0.54 0.12 65.75 Average: 3 30.55 0.00 1.42 0.17 0.11 67.75