---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10045 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: 5600.00 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 679 9314 4 5995 14967 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:2f:b7:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84424sec preferred_lft 84424sec inet6 fe80::f816:3eff:fe2f:b785/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:01:32:3b:6c:78 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-10045) 05/01/26 _x86_64_ (4 CPU) 01:06:22 LINUX RESTART (4 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 26.31 2.79 20.06 3.47 355.58 3754.72 40772.54 01:30:13 34.09 0.16 17.90 16.03 4.89 1740.80 265001.27 Average: 30.26 1.46 18.97 9.83 177.80 2733.78 154443.18 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9583596 13105964 2852900 17.42 127924 3519168 3190748 18.31 728808 5678244 36076 01:30:13 9041832 12949988 3005144 18.35 150372 3851988 3256708 18.69 861492 6053840 17400 Average: 9312714 13027976 2929022 17.89 139148 3685578 3223728 18.50 795150 5866042 26738 01:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 17.55 17.55 3.81 3.81 0.00 0.00 0.00 0.00 01:20:01 ens3 81.13 61.17 696.34 11.68 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:13 lo 1075.83 1075.83 994.74 994.74 0.00 0.00 0.00 0.00 01:30:13 ens3 37.61 26.15 245.05 6.17 0.00 0.00 0.00 0.00 01:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 554.03 554.03 506.15 506.15 0.00 0.00 0.00 0.00 Average: ens3 59.07 43.41 467.56 8.89 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-10045) 05/01/26 _x86_64_ (4 CPU) 01:06:22 LINUX RESTART (4 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 34.71 0.00 1.33 0.42 0.08 63.46 01:20:01 0 31.81 0.00 1.16 0.24 0.08 66.70 01:20:01 1 36.74 0.00 1.78 0.48 0.08 60.92 01:20:01 2 34.39 0.00 1.23 0.67 0.08 63.62 01:20:01 3 35.91 0.00 1.13 0.27 0.08 62.60 01:30:13 all 25.95 0.00 1.40 0.12 0.09 72.44 01:30:13 0 25.42 0.00 1.21 0.10 0.09 73.18 01:30:13 1 25.53 0.00 1.48 0.10 0.09 72.80 01:30:13 2 27.14 0.00 1.66 0.23 0.10 70.87 01:30:13 3 25.71 0.00 1.24 0.04 0.09 72.91 Average: all 30.27 0.00 1.36 0.27 0.09 68.01 Average: 0 28.57 0.00 1.19 0.17 0.08 69.99 Average: 1 31.05 0.00 1.63 0.29 0.09 66.95 Average: 2 30.72 0.00 1.45 0.45 0.09 67.29 Average: 3 30.75 0.00 1.19 0.16 0.09 67.83