---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-118573 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 11G 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 717 9787 4 5484 14929 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:fd:5e:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84498sec preferred_lft 84498sec inet6 fe80::f816:3eff:fefd:5e48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:d2:0e:38:1b:5e 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-118573) 03/06/26 _x86_64_ (4 CPU) 11:06:47 LINUX RESTART (4 CPU) 11:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:03 25.89 2.62 21.26 2.00 146.32 4741.19 9155.17 11:30:01 31.41 0.05 28.12 3.24 1.61 5923.94 15107.91 Average: 28.64 1.34 24.68 2.62 74.09 5331.51 12126.25 11:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:03 9261372 13026440 2930108 17.90 159636 3692712 3067228 17.61 738476 5948420 184660 11:30:01 8113340 13116332 2834280 17.31 187296 4837468 2951444 16.94 1016728 6736400 28312 Average: 8687356 13071386 2882194 17.60 173466 4265090 3009336 17.27 877602 6342410 106486 11:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:03 lo 894.55 894.55 852.18 852.18 0.00 0.00 0.00 0.00 11:20:03 ens3 85.59 64.80 542.58 16.30 0.00 0.00 0.00 0.00 11:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 1235.21 1235.21 1176.88 1176.88 0.00 0.00 0.00 0.00 11:30:01 ens3 56.66 43.82 230.36 13.06 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1064.57 1064.57 1014.24 1014.24 0.00 0.00 0.00 0.00 Average: ens3 71.15 54.33 386.75 14.68 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-118573) 03/06/26 _x86_64_ (4 CPU) 11:06:47 LINUX RESTART (4 CPU) 11:10:03 CPU %user %nice %system %iowait %steal %idle 11:20:03 all 66.06 0.00 2.26 0.19 0.14 31.34 11:20:03 0 67.05 0.00 2.25 0.18 0.14 30.37 11:20:03 1 65.22 0.00 2.44 0.30 0.15 31.88 11:20:03 2 66.95 0.00 2.09 0.10 0.14 30.72 11:20:03 3 65.03 0.00 2.26 0.16 0.14 32.40 11:30:01 all 56.60 0.00 2.42 0.21 0.13 40.63 11:30:01 0 53.68 0.00 2.34 0.54 0.13 43.30 11:30:01 1 59.89 0.00 2.62 0.09 0.14 37.27 11:30:01 2 56.51 0.00 2.38 0.13 0.13 40.85 11:30:01 3 56.32 0.00 2.34 0.09 0.13 41.12 Average: all 61.34 0.00 2.34 0.20 0.14 35.98 Average: 0 60.38 0.00 2.30 0.36 0.14 36.82 Average: 1 62.56 0.00 2.53 0.20 0.14 34.57 Average: 2 61.74 0.00 2.23 0.11 0.14 35.77 Average: 3 60.69 0.00 2.30 0.13 0.14 36.75