---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31098 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 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 685 10419 4 4883 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:7b:07:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84235sec preferred_lft 84235sec inet6 fe80::f816:3eff:fe7b:728/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:6b:7e:6c:7b:db 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-31098) 06/27/26 _x86_64_ (4 CPU) 14:39:11 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:00 14.13 1.01 12.52 0.59 43.58 2277.00 634.41 15:00:01 13.85 1.94 11.10 0.82 125.09 2704.72 1216.98 15:10:01 26.08 0.79 22.06 3.23 27.28 3419.08 4021.42 Average: 18.02 1.25 15.23 1.55 65.31 2800.09 1957.16 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:00 13025540 15493996 481352 2.94 98668 2559256 990108 5.68 336844 2676900 4 15:00:01 10375356 13697488 2262704 13.82 132212 3313652 2542908 14.60 555580 5053276 23784 15:10:01 8599812 12825880 3126044 19.09 171180 4098996 3500764 20.09 794636 6504148 1680 Average: 10666903 14005788 1956700 11.95 134020 3323968 2344593 13.46 562353 4744775 8489 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:00 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 14:50:00 ens3 24.13 19.57 264.81 3.72 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 15:00:01 ens3 92.67 74.65 598.69 18.00 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1527.77 1527.77 1455.37 1455.37 0.00 0.00 0.00 0.00 15:10:01 ens3 90.06 67.40 401.05 17.49 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 509.53 509.53 485.00 485.00 0.00 0.00 0.00 0.00 Average: ens3 68.94 53.86 421.47 13.07 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-31098) 06/27/26 _x86_64_ (4 CPU) 14:39:11 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:00 all 2.24 0.00 0.24 0.25 0.02 97.24 14:50:00 0 4.17 0.00 0.31 0.19 0.02 95.30 14:50:00 1 2.26 0.00 0.28 0.06 0.03 97.37 14:50:00 2 1.23 0.00 0.20 0.66 0.02 97.88 14:50:00 3 1.31 0.00 0.16 0.08 0.02 98.43 15:00:01 all 52.59 0.00 1.72 0.09 0.08 45.53 15:00:01 0 51.53 0.00 1.78 0.04 0.08 46.57 15:00:01 1 52.05 0.00 1.59 0.09 0.08 46.19 15:00:01 2 54.10 0.00 1.73 0.10 0.09 43.99 15:00:01 3 52.68 0.00 1.78 0.11 0.08 45.36 15:10:01 all 68.71 0.00 2.59 0.12 0.10 28.48 15:10:01 0 67.35 0.00 2.32 0.13 0.10 30.11 15:10:01 1 69.30 0.00 2.25 0.06 0.10 28.30 15:10:01 2 70.34 0.00 3.05 0.16 0.10 26.34 15:10:01 3 67.86 0.00 2.75 0.13 0.10 29.15 Average: all 41.14 0.00 1.52 0.15 0.07 57.13 Average: 0 40.97 0.00 1.47 0.12 0.06 57.38 Average: 1 41.17 0.00 1.37 0.07 0.07 57.32 Average: 2 41.83 0.00 1.66 0.31 0.07 56.13 Average: 3 40.57 0.00 1.56 0.11 0.07 57.69