---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53145 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 12G 66G 16% / 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 631 8841 4 6516 15015 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:e5:09:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84420sec preferred_lft 84420sec inet6 fe80::f816:3eff:fee5:98f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:71:b7:15:1e:28 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53145) 03/26/26 _x86_64_ (4 CPU) 11:33:29 LINUX RESTART (4 CPU) 11:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:00 22.00 0.03 19.53 2.44 1.09 2079.56 7474.24 12:00:00 27.07 0.03 24.44 2.59 0.71 4180.07 13630.23 Average: 24.54 0.03 21.99 2.52 0.90 3129.81 10552.23 11:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:00 8841648 12544832 3412436 20.84 143264 3670988 3460144 19.86 711072 6422828 106700 12:00:00 5683668 10288352 5665236 34.60 160460 4515380 5520072 31.69 990968 9236056 29732 Average: 7262658 11416592 4538836 27.72 151862 4093184 4490108 25.77 851020 7829442 68216 11:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:00 lo 1350.05 1350.05 1280.48 1280.48 0.00 0.00 0.00 0.00 11:50:00 ens3 21.93 19.98 17.53 6.76 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:00 lo 1119.98 1119.98 1106.65 1106.65 0.00 0.00 0.00 0.00 12:00:00 ens3 23.71 20.35 43.26 6.58 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1235.01 1235.01 1193.57 1193.57 0.00 0.00 0.00 0.00 Average: ens3 22.82 20.16 30.40 6.67 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53145) 03/26/26 _x86_64_ (4 CPU) 11:33:29 LINUX RESTART (4 CPU) 11:40:00 CPU %user %nice %system %iowait %steal %idle 11:50:00 all 66.46 0.00 2.20 0.09 0.12 31.12 11:50:00 0 67.32 0.00 2.07 0.06 0.12 30.43 11:50:00 1 65.66 0.00 2.09 0.07 0.12 32.06 11:50:00 2 66.29 0.00 2.54 0.18 0.13 30.86 11:50:00 3 66.55 0.00 2.12 0.08 0.13 31.13 12:00:00 all 55.38 0.00 2.19 0.09 0.11 42.24 12:00:00 0 54.80 0.00 2.42 0.06 0.11 42.60 12:00:00 1 56.85 0.00 2.19 0.15 0.11 40.70 12:00:00 2 54.47 0.00 1.91 0.07 0.11 43.43 12:00:00 3 55.39 0.00 2.23 0.07 0.11 42.21 Average: all 60.92 0.00 2.20 0.09 0.12 36.68 Average: 0 61.06 0.00 2.25 0.06 0.12 36.52 Average: 1 61.25 0.00 2.14 0.11 0.12 36.38 Average: 2 60.38 0.00 2.23 0.12 0.12 37.14 Average: 3 60.98 0.00 2.17 0.07 0.12 36.66