---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11431 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 11G 68G 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 650 10606 4 4733 14996 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:f0:14:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84131sec preferred_lft 84131sec inet6 fe80::f816:3eff:fef0:14bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:82:6c:d1:a4:2b 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-11431) 05/06/26 _x86_64_ (4 CPU) 13:07:39 LINUX RESTART (4 CPU) 13:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:09 25.75 1.33 24.34 0.08 95.20 616.50 1112.71 13:30:01 39.68 3.00 21.94 14.75 173.33 4779.64 247504.82 13:40:01 29.65 0.79 25.44 3.42 23.90 4064.10 3314.23 Average: 31.66 1.70 23.92 6.04 97.10 3146.07 83187.85 13:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:09 13451568 15416028 589152 3.60 69904 2110516 1215084 6.97 290972 2371204 72084 13:30:01 10425856 13721112 2238968 13.67 132484 3288352 2545748 14.61 566276 4999724 21168 13:40:01 8814760 13232044 2719116 16.61 167312 4291132 2857096 16.40 874812 6192512 34260 Average: 10897395 14123061 1849079 11.29 123233 3230000 2205976 12.66 577353 4521147 42504 13:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:09 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 13:20:09 ens3 30.77 18.90 159.81 5.02 0.00 0.00 0.00 0.00 13:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 13:30:01 ens3 121.71 94.06 822.22 22.42 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 1541.05 1541.05 1469.06 1469.06 0.00 0.00 0.00 0.00 13:40:01 ens3 88.76 65.23 424.82 16.79 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 516.90 516.90 492.32 492.32 0.00 0.00 0.00 0.00 Average: ens3 80.23 59.23 467.29 14.71 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-11431) 05/06/26 _x86_64_ (4 CPU) 13:07:39 LINUX RESTART (4 CPU) 13:10:09 CPU %user %nice %system %iowait %steal %idle 13:20:09 all 1.15 0.00 0.17 0.13 0.01 98.54 13:20:09 0 0.87 0.00 0.16 0.04 0.01 98.93 13:20:09 1 0.63 0.00 0.17 0.23 0.01 98.96 13:20:09 2 1.72 0.00 0.22 0.19 0.02 97.84 13:20:09 3 1.39 0.00 0.14 0.05 0.01 98.41 13:30:01 all 64.99 0.00 2.32 0.21 0.13 32.36 13:30:01 0 64.81 0.00 2.19 0.09 0.13 32.78 13:30:01 1 67.86 0.00 2.41 0.58 0.14 29.01 13:30:01 2 63.29 0.00 2.47 0.09 0.13 34.02 13:30:01 3 63.98 0.00 2.20 0.07 0.13 33.61 13:40:01 all 69.37 0.00 2.84 0.14 0.14 27.51 13:40:01 0 65.74 0.00 2.67 0.24 0.14 31.21 13:40:01 1 71.49 0.00 2.73 0.10 0.14 25.54 13:40:01 2 72.24 0.00 3.05 0.14 0.15 24.43 13:40:01 3 68.00 0.00 2.89 0.09 0.15 28.88 Average: all 45.03 0.00 1.77 0.16 0.10 52.94 Average: 0 43.68 0.00 1.67 0.12 0.09 54.44 Average: 1 46.53 0.00 1.77 0.30 0.10 51.31 Average: 2 45.60 0.00 1.91 0.14 0.10 52.25 Average: 3 44.33 0.00 1.74 0.07 0.10 53.77