---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1171 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: 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 9.8G 68G 13% / 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 617 11213 4 4157 15028 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:f9:e2:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84655sec preferred_lft 84655sec inet6 fe80::f816:3eff:fef9:e235/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:5e:36:a9:9b:0d 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-1171) 08/01/26 _x86_64_ (4 CPU) 10:31:26 LINUX RESTART (4 CPU) 10:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:15 10.10 1.92 7.76 0.42 124.25 2122.25 1339.08 11:00:01 13.53 0.51 11.12 1.90 21.93 2389.20 2278.67 Average: 11.79 1.22 9.42 1.15 73.66 2254.23 1803.62 10:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:15 10855396 14014052 1947864 11.90 122100 3177440 2281800 13.10 517928 4628628 29648 11:00:01 11503616 15402428 553172 3.38 156108 3809240 1082128 6.21 692276 3722324 115612 Average: 11179506 14708240 1250518 7.64 139104 3493340 1681964 9.65 605102 4175476 72630 10:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:15 lo 0.61 0.61 0.06 0.06 0.00 0.00 0.00 0.00 10:50:15 ens3 79.11 62.99 699.46 11.73 0.00 0.00 0.00 0.00 10:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 11:00:01 ens3 69.07 54.38 108.82 18.50 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 74.15 58.74 407.44 15.08 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-1171) 08/01/26 _x86_64_ (4 CPU) 10:31:26 LINUX RESTART (4 CPU) 10:40:15 CPU %user %nice %system %iowait %steal %idle 10:50:15 all 31.66 0.00 1.00 0.04 0.08 67.23 10:50:15 0 31.99 0.00 0.99 0.04 0.05 66.93 10:50:15 1 31.84 0.00 1.09 0.02 0.06 66.99 10:50:15 2 30.31 0.00 0.91 0.04 0.15 68.60 10:50:15 3 32.50 0.00 1.00 0.05 0.06 66.38 11:00:01 all 69.05 0.00 2.23 0.06 0.09 28.57 11:00:01 0 65.86 0.00 2.12 0.05 0.09 31.88 11:00:01 1 68.70 0.00 2.10 0.09 0.09 29.02 11:00:01 2 74.90 0.00 2.67 0.04 0.10 22.29 11:00:01 3 66.75 0.00 2.02 0.04 0.09 31.09 Average: all 50.13 0.00 1.60 0.05 0.09 48.13 Average: 0 48.73 0.00 1.55 0.04 0.07 49.61 Average: 1 50.05 0.00 1.59 0.05 0.08 48.23 Average: 2 52.33 0.00 1.78 0.04 0.12 45.73 Average: 3 49.42 0.00 1.51 0.05 0.08 48.95