---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16288 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 12G 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 741 9628 4 5619 14905 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:ca:f4:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84450sec preferred_lft 84450sec inet6 fe80::f816:3eff:feca:f4d7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:c2:2b:6b:2e:f1 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-16288) 05/18/26 _x86_64_ (4 CPU) 09:14:30 LINUX RESTART (4 CPU) 09:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:15 26.74 2.57 22.15 2.01 142.58 5100.76 10820.95 09:40:15 32.14 0.05 28.92 3.18 1.61 6065.33 20106.79 Average: 29.41 1.32 25.50 2.59 72.84 5577.99 15415.21 09:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:15 9838560 13516516 2440208 14.90 155624 3614612 2682296 15.40 712296 5372740 13052 09:40:15 7796356 12942312 3007724 18.37 186788 4975108 3299060 18.94 1027808 7041524 39472 Average: 8817458 13229414 2723966 16.64 171206 4294860 2990678 17.17 870052 6207132 26262 09:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:15 lo 818.57 818.57 779.90 779.90 0.00 0.00 0.00 0.00 09:30:15 ens3 115.71 86.23 807.63 18.39 0.00 0.00 0.00 0.00 09:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:15 lo 1365.51 1365.51 1301.41 1301.41 0.00 0.00 0.00 0.00 09:40:15 ens3 68.93 51.54 239.12 20.00 0.00 0.00 0.00 0.00 09:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1089.17 1089.17 1037.92 1037.92 0.00 0.00 0.00 0.00 Average: ens3 92.57 69.07 526.35 19.19 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-16288) 05/18/26 _x86_64_ (4 CPU) 09:14:30 LINUX RESTART (4 CPU) 09:20:02 CPU %user %nice %system %iowait %steal %idle 09:30:15 all 64.20 0.00 2.25 0.08 0.11 33.37 09:30:15 0 61.33 0.00 1.96 0.05 0.10 36.55 09:30:15 1 65.93 0.00 2.19 0.04 0.11 31.73 09:30:15 2 64.57 0.00 2.48 0.09 0.11 32.75 09:30:15 3 64.96 0.00 2.36 0.14 0.11 32.43 09:40:15 all 57.86 0.00 2.38 0.05 0.10 39.61 09:40:15 0 55.18 0.00 2.02 0.03 0.10 42.67 09:40:15 1 60.60 0.00 2.37 0.06 0.10 36.86 09:40:15 2 59.52 0.00 2.53 0.09 0.09 37.77 09:40:15 3 56.15 0.00 2.60 0.04 0.09 41.13 Average: all 61.06 0.00 2.31 0.07 0.10 36.46 Average: 0 58.28 0.00 1.99 0.04 0.10 39.58 Average: 1 63.30 0.00 2.28 0.05 0.10 34.27 Average: 2 62.07 0.00 2.50 0.09 0.10 35.23 Average: 3 60.60 0.00 2.48 0.09 0.10 36.73