---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26487 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 66G 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 686 9230 4 6072 14960 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:c1:74:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84573sec preferred_lft 84573sec inet6 fe80::f816:3eff:fec1:74ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:02:11:fc:c3:33 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-26487) 06/10/26 _x86_64_ (4 CPU) 16:21:32 LINUX RESTART (4 CPU) 16:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:20 22.93 0.02 8.06 14.85 0.45 680.10 261518.66 16:50:01 38.53 0.60 33.37 4.56 20.40 8361.36 17113.82 Average: 30.60 0.30 20.51 9.79 10.26 4458.58 141293.74 16:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:20 9705628 13500392 2455532 15.00 142892 3749780 2743276 15.75 744864 5503032 80788 16:50:01 9489568 15349624 595684 3.64 177280 5687656 1102940 6.33 1596472 4738592 416 Average: 9597598 14425008 1525608 9.32 160086 4718718 1923108 11.04 1170668 5120812 40602 16:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:20 lo 53.24 53.24 13.62 13.62 0.00 0.00 0.00 0.00 16:40:20 ens3 8.44 7.40 20.01 2.16 0.00 0.00 0.00 0.00 16:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 2459.62 2459.62 2369.23 2369.23 0.00 0.00 0.00 0.00 16:50:01 ens3 85.92 82.34 477.77 591.89 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1236.96 1236.96 1172.36 1172.36 0.00 0.00 0.00 0.00 Average: ens3 46.55 44.27 245.19 292.25 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-26487) 06/10/26 _x86_64_ (4 CPU) 16:21:32 LINUX RESTART (4 CPU) 16:30:20 CPU %user %nice %system %iowait %steal %idle 16:40:20 all 18.01 0.00 0.86 0.07 0.08 80.98 16:40:20 0 17.62 0.00 0.94 0.05 0.08 81.31 16:40:20 1 17.67 0.00 0.91 0.08 0.08 81.26 16:40:20 2 18.03 0.00 0.79 0.12 0.08 80.98 16:40:20 3 18.72 0.00 0.79 0.03 0.08 80.38 16:50:01 all 49.10 0.00 2.58 0.11 0.08 48.13 16:50:01 0 47.24 0.00 2.70 0.20 0.08 49.79 16:50:01 1 50.02 0.00 2.74 0.09 0.08 47.07 16:50:01 2 47.14 0.00 2.32 0.06 0.07 50.41 16:50:01 3 52.01 0.00 2.56 0.09 0.08 45.26 Average: all 33.29 0.00 1.70 0.09 0.08 64.84 Average: 0 32.18 0.00 1.80 0.12 0.08 65.82 Average: 1 33.56 0.00 1.81 0.08 0.08 64.47 Average: 2 32.34 0.00 1.54 0.09 0.08 65.95 Average: 3 35.09 0.00 1.66 0.06 0.08 63.11