---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-907 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 14% / 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 623 10385 4 4980 15023 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:eb:7a:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84259sec preferred_lft 84259sec inet6 fe80::f816:3eff:feeb:7a56/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:a3:98:26:5b:53 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-907) 03/17/26 _x86_64_ (4 CPU) 14:43:01 LINUX RESTART (4 CPU) 14:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:04 31.14 4.25 26.19 0.70 252.52 3853.48 490.22 15:10:01 3.32 0.06 3.16 0.10 6.70 470.68 16.85 Average: 17.26 2.16 14.70 0.40 129.93 2166.43 254.14 14:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:04 10376384 13470968 2492508 15.22 113104 3150752 2787248 16.00 608996 5059084 15280 15:10:01 9209760 12420964 3541628 21.63 117340 3253168 3687372 21.17 635344 6174816 292 Average: 9793072 12945966 3017068 18.43 115222 3201960 3237310 18.58 622170 5616950 7786 14:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:04 lo 0.45 0.45 0.04 0.04 0.00 0.00 0.00 0.00 15:00:04 ens3 89.34 66.76 884.06 11.82 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 0.55 0.55 0.37 0.37 0.00 0.00 0.00 0.00 15:10:01 ens3 7.94 6.51 37.17 1.82 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.50 0.50 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 48.74 36.71 461.70 6.83 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-907) 03/17/26 _x86_64_ (4 CPU) 14:43:01 LINUX RESTART (4 CPU) 14:50:04 CPU %user %nice %system %iowait %steal %idle 15:00:04 all 38.01 0.00 1.03 0.57 0.07 60.32 15:00:04 0 35.11 0.00 0.92 1.32 0.07 62.58 15:00:04 1 35.37 0.00 1.14 0.35 0.07 63.06 15:00:04 2 41.00 0.00 0.95 0.19 0.08 57.79 15:00:04 3 40.59 0.00 1.09 0.40 0.08 57.84 15:10:01 all 45.38 0.00 0.55 0.07 0.08 53.93 15:10:01 0 32.40 0.00 0.46 0.10 0.07 66.98 15:10:01 1 64.60 0.00 0.68 0.05 0.09 34.58 15:10:01 2 46.46 0.00 0.56 0.13 0.08 52.77 15:10:01 3 38.04 0.00 0.50 0.00 0.07 61.39 Average: all 41.69 0.00 0.79 0.32 0.08 57.13 Average: 0 33.76 0.00 0.69 0.71 0.07 64.78 Average: 1 49.94 0.00 0.91 0.20 0.08 48.87 Average: 2 43.73 0.00 0.75 0.16 0.08 55.28 Average: 3 39.31 0.00 0.80 0.20 0.07 59.61