---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4647 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 13G 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 630 8672 4 6685 15016 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:63:a4:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84132sec preferred_lft 84132sec inet6 fe80::f816:3eff:fe63:a443/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:9b:0b:10:ef:ab 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-4647) 04/19/26 _x86_64_ (4 CPU) 19:01:21 LINUX RESTART (4 CPU) 19:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:04 23.00 0.06 20.39 2.55 6.31 2205.76 8196.61 19:30:01 27.90 0.03 25.02 2.84 0.86 4242.71 12010.89 Average: 25.44 0.05 22.70 2.70 3.59 3221.95 10099.47 19:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:04 8415512 12343668 3611580 22.06 152620 3876252 3749484 21.52 783132 6764476 185348 19:30:01 6975000 11719152 4232432 25.85 167332 4641712 4337620 24.90 1030796 7912372 560 Average: 7695256 12031410 3922006 23.95 159976 4258982 4043552 23.21 906964 7338424 92954 19:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:04 lo 1274.95 1274.95 1208.51 1208.51 0.00 0.00 0.00 0.00 19:20:04 ens3 42.70 33.97 24.54 11.36 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1158.68 1158.68 1096.42 1096.42 0.00 0.00 0.00 0.00 19:30:01 ens3 50.35 37.59 50.45 12.34 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1216.95 1216.95 1152.59 1152.59 0.00 0.00 0.00 0.00 Average: ens3 46.51 35.78 37.47 11.85 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-4647) 04/19/26 _x86_64_ (4 CPU) 19:01:21 LINUX RESTART (4 CPU) 19:10:04 CPU %user %nice %system %iowait %steal %idle 19:20:04 all 66.72 0.00 2.23 0.16 0.10 30.80 19:20:04 0 67.85 0.00 2.38 0.15 0.10 29.52 19:20:04 1 66.17 0.00 2.23 0.07 0.10 31.44 19:20:04 2 66.68 0.00 2.08 0.25 0.10 30.88 19:20:04 3 66.17 0.00 2.22 0.16 0.10 31.36 19:30:01 all 53.54 0.00 2.27 0.23 0.09 43.87 19:30:01 0 52.28 0.00 2.15 0.46 0.09 45.02 19:30:01 1 53.24 0.00 2.42 0.10 0.09 44.16 19:30:01 2 55.47 0.00 2.19 0.07 0.09 42.18 19:30:01 3 53.18 0.00 2.34 0.28 0.09 44.12 Average: all 60.14 0.00 2.25 0.19 0.09 37.32 Average: 0 60.09 0.00 2.27 0.30 0.09 37.25 Average: 1 59.71 0.00 2.32 0.08 0.09 37.79 Average: 2 61.09 0.00 2.14 0.16 0.10 36.52 Average: 3 59.69 0.00 2.28 0.22 0.09 37.72