---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7655 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 724 9421 4 5843 14922 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:66:bd:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84506sec preferred_lft 84506sec inet6 fe80::f816:3eff:fe66:bd8f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:1b:4e:32:70:47 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7655) 02/04/26 _x86_64_ (4 CPU) 12:38:08 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 51.15 4.03 30.95 16.17 786.39 6462.47 276899.11 13:00:26 32.53 0.07 29.05 3.41 1.48 3109.46 15198.07 Average: 41.65 2.01 29.98 9.66 385.94 4751.81 143382.79 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 9060544 13111864 2842980 17.36 156232 3984060 3081140 17.69 914380 5978220 182148 13:00:26 8006436 12934800 3014876 18.41 184084 4777388 3218532 18.47 1150964 6714540 492184 Average: 8533490 13023332 2928928 17.89 170158 4380724 3149836 18.08 1032672 6346380 337166 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 658.78 658.78 627.09 627.09 0.00 0.00 0.00 0.00 12:50:01 ens3 105.59 81.44 966.16 18.59 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:26 lo 1431.13 1431.13 1363.12 1363.12 0.00 0.00 0.00 0.00 13:00:26 ens3 52.81 40.39 203.19 12.87 0.00 0.00 0.00 0.00 13:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1052.82 1052.82 1002.60 1002.60 0.00 0.00 0.00 0.00 Average: ens3 78.66 60.50 576.90 15.67 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7655) 02/04/26 _x86_64_ (4 CPU) 12:38:08 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 58.44 0.00 2.26 0.48 0.12 38.71 12:50:01 0 59.02 0.00 1.92 0.18 0.13 38.75 12:50:01 1 60.73 0.00 2.77 0.62 0.12 35.76 12:50:01 2 56.12 0.00 2.33 0.74 0.12 40.68 12:50:01 3 57.88 0.00 2.00 0.38 0.12 39.63 13:00:26 all 54.20 0.00 2.35 0.17 0.12 43.16 13:00:26 0 52.70 0.00 2.23 0.10 0.12 44.86 13:00:26 1 52.92 0.00 2.54 0.23 0.12 44.19 13:00:26 2 58.52 0.00 2.35 0.16 0.12 38.85 13:00:26 3 52.67 0.00 2.29 0.19 0.12 44.73 Average: all 56.28 0.00 2.30 0.32 0.12 40.98 Average: 0 55.79 0.00 2.08 0.14 0.12 41.87 Average: 1 56.74 0.00 2.65 0.42 0.12 40.07 Average: 2 57.35 0.00 2.34 0.44 0.12 39.75 Average: 3 55.22 0.00 2.14 0.28 0.12 42.23