---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12756 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 715 9516 4 5757 14931 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:33:87:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84559sec preferred_lft 84559sec inet6 fe80::f816:3eff:fe33:8796/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:65:c8:17:d1:89 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-12756) 05/11/26 _x86_64_ (4 CPU) 15:47:23 LINUX RESTART (4 CPU) 15:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:07 39.39 14.59 22.63 2.16 281.11 5129.59 6191.56 16:10:01 33.72 0.05 30.36 3.31 1.45 6146.03 14899.68 Average: 36.57 7.35 26.48 2.74 141.91 5635.54 10526.13 15:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:07 9709828 13529380 2424820 14.81 159772 3736784 2690240 15.44 777912 5432112 17520 16:10:01 7827448 13121108 2826828 17.27 192672 5101224 3140128 18.02 1095792 6925400 30964 Average: 8768638 13325244 2625824 16.04 176222 4419004 2915184 16.73 936852 6178756 24242 15:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:07 lo 834.65 834.65 795.06 795.06 0.00 0.00 0.00 0.00 16:00:07 ens3 117.13 91.83 900.62 18.97 0.00 0.00 0.00 0.00 16:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1510.29 1510.29 1439.57 1439.57 0.00 0.00 0.00 0.00 16:10:01 ens3 66.16 49.68 237.64 13.62 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1170.96 1170.96 1115.87 1115.87 0.00 0.00 0.00 0.00 Average: ens3 91.76 70.85 570.61 16.30 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-12756) 05/11/26 _x86_64_ (4 CPU) 15:47:23 LINUX RESTART (4 CPU) 15:50:08 CPU %user %nice %system %iowait %steal %idle 16:00:07 all 63.31 0.07 2.28 0.13 0.11 34.08 16:00:07 0 63.84 0.25 2.07 0.25 0.11 33.47 16:00:07 1 61.63 0.03 2.25 0.12 0.11 35.87 16:00:07 2 63.46 0.00 2.21 0.07 0.11 34.14 16:00:07 3 64.32 0.00 2.61 0.10 0.12 32.85 16:10:01 all 57.86 0.00 2.38 0.06 0.10 39.60 16:10:01 0 57.70 0.00 2.21 0.04 0.10 39.95 16:10:01 1 57.45 0.00 2.51 0.06 0.10 39.88 16:10:01 2 56.54 0.00 2.33 0.07 0.09 40.96 16:10:01 3 59.77 0.00 2.48 0.06 0.10 37.58 Average: all 60.60 0.03 2.33 0.10 0.11 36.83 Average: 0 60.78 0.12 2.14 0.15 0.11 36.70 Average: 1 59.54 0.01 2.38 0.09 0.11 37.87 Average: 2 60.02 0.00 2.27 0.07 0.10 37.53 Average: 3 62.06 0.00 2.54 0.08 0.11 35.21