---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-442478 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 10G 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 671 10780 4 4537 14975 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:7e:ec:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84890sec preferred_lft 84890sec inet6 fe80::f816:3eff:fe7e:ec92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:bb:11:66:ab:9c 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-442478) 03/11/26 _x86_64_ (4 CPU) 11:35:21 LINUX RESTART (4 CPU) 11:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:11 51.16 3.07 40.32 7.76 740.24 4950.42 7365.81 12:00:22 30.14 0.30 25.29 4.55 16.83 3188.75 12180.19 Average: 40.63 1.68 32.79 6.15 377.97 4068.20 9776.76 11:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:11 10256472 13882068 2075928 12.68 160600 3579196 2398436 13.77 795268 4932336 58312 12:00:22 11023692 15311984 640860 3.91 202344 4148564 1189328 6.83 996336 3900408 13140 Average: 10640082 14597026 1358394 8.30 181472 3863880 1793882 10.30 895802 4416372 35726 11:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:11 lo 4089.21 4089.21 3899.52 3899.52 0.00 0.00 0.00 0.00 11:50:11 ens3 167.07 125.39 929.06 31.92 0.00 0.00 0.00 0.00 11:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:22 lo 2175.93 2175.93 2059.25 2059.25 0.00 0.00 0.00 0.00 12:00:22 ens3 136.95 128.40 129.23 181.75 0.00 0.00 0.00 0.00 12:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3131.07 3131.07 2977.94 2977.94 0.00 0.00 0.00 0.00 Average: ens3 151.99 126.90 528.52 106.96 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-442478) 03/11/26 _x86_64_ (4 CPU) 11:35:21 LINUX RESTART (4 CPU) 11:40:01 CPU %user %nice %system %iowait %steal %idle 11:50:11 all 62.91 0.00 3.66 0.75 0.11 32.57 11:50:11 0 61.36 0.00 3.76 0.82 0.11 33.95 11:50:11 1 64.93 0.00 4.02 0.47 0.11 30.47 11:50:11 2 62.95 0.00 3.59 1.01 0.11 32.34 11:50:11 3 62.41 0.00 3.28 0.69 0.11 33.51 12:00:22 all 40.06 0.00 2.18 0.21 0.08 57.47 12:00:22 0 34.69 0.00 2.13 0.37 0.07 62.73 12:00:22 1 42.96 0.00 2.56 0.21 0.08 54.19 12:00:22 2 41.25 0.00 2.03 0.12 0.08 56.52 12:00:22 3 41.36 0.00 2.00 0.14 0.07 56.42 Average: all 51.46 0.00 2.92 0.48 0.09 45.05 Average: 0 47.99 0.00 2.94 0.60 0.09 48.38 Average: 1 53.92 0.00 3.29 0.34 0.09 42.36 Average: 2 52.07 0.00 2.81 0.56 0.09 44.47 Average: 3 51.87 0.00 2.64 0.42 0.09 44.98