---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1218 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 707 9588 4 5692 14939 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:67:a9:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84489sec preferred_lft 84489sec inet6 fe80::f816:3eff:fe67:a95d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:0e:7f:bf:a7:eb 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-1218) 08/01/26 _x86_64_ (4 CPU) 15:46:16 LINUX RESTART (4 CPU) 15:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:03 25.97 2.67 21.38 1.92 147.53 4834.90 9644.19 16:10:04 33.75 0.04 30.40 3.31 1.50 6117.94 20083.25 Average: 29.87 1.35 25.90 2.62 74.38 5477.59 14873.20 15:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:03 9276320 13032824 2922824 17.85 156900 3684656 3036692 17.43 712644 5948972 17228 16:10:04 7835624 13060304 2888980 17.64 185344 5048880 2947520 16.92 1026080 6992732 36516 Average: 8555972 13046564 2905902 17.75 171122 4366768 2992106 17.17 869362 6470852 26872 15:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:03 lo 770.21 770.21 733.95 733.95 0.00 0.00 0.00 0.00 16:00:03 ens3 106.84 83.19 819.02 17.82 0.00 0.00 0.00 0.00 16:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:04 lo 1451.92 1451.92 1383.98 1383.98 0.00 0.00 0.00 0.00 16:10:04 ens3 61.59 48.38 235.09 13.81 0.00 0.00 0.00 0.00 16:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1111.68 1111.68 1059.56 1059.56 0.00 0.00 0.00 0.00 Average: ens3 84.17 65.76 526.53 15.81 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-1218) 08/01/26 _x86_64_ (4 CPU) 15:46:16 LINUX RESTART (4 CPU) 15:50:04 CPU %user %nice %system %iowait %steal %idle 16:00:03 all 61.45 0.00 2.14 0.26 0.10 36.05 16:00:03 0 62.11 0.00 2.39 0.29 0.10 35.11 16:00:03 1 62.66 0.00 2.09 0.21 0.10 34.94 16:00:03 2 62.90 0.00 2.07 0.14 0.10 34.79 16:00:03 3 58.12 0.00 2.02 0.38 0.11 39.38 16:10:04 all 57.86 0.00 2.44 0.25 0.10 39.35 16:10:04 0 59.65 0.00 2.49 0.35 0.09 37.41 16:10:04 1 56.80 0.00 2.37 0.10 0.10 40.64 16:10:04 2 57.23 0.00 2.40 0.20 0.10 40.08 16:10:04 3 57.76 0.00 2.52 0.35 0.10 39.27 Average: all 59.65 0.00 2.29 0.25 0.10 37.70 Average: 0 60.88 0.00 2.44 0.32 0.10 36.26 Average: 1 59.72 0.00 2.23 0.15 0.10 37.79 Average: 2 60.06 0.00 2.23 0.17 0.10 37.44 Average: 3 57.94 0.00 2.27 0.37 0.10 39.32