---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9979 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 13G 66G 16% / 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 664 8703 4 6621 14982 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:6d:06:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84105sec preferred_lft 84105sec inet6 fe80::f816:3eff:fe6d:6fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:50:a9:a2:ee:7a 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-9979) 04/30/26 _x86_64_ (4 CPU) 19:03:18 LINUX RESTART (4 CPU) 19:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:09 22.53 0.07 19.77 2.70 6.49 2315.93 4563.31 19:30:08 35.29 0.02 31.69 3.58 0.57 4669.43 10628.33 19:40:09 10.45 0.31 8.86 1.27 11.63 6357.28 3292.14 Average: 22.75 0.13 20.10 2.52 6.23 4448.54 6159.71 19:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:09 9395920 13001868 2956412 18.06 142480 3578108 3099744 17.79 704088 5881260 5868 19:30:08 7638120 12310580 3642248 22.25 168948 4569140 3628928 20.83 1006336 7266720 2724 19:40:09 8951316 15372300 574428 3.51 185056 6244516 1099016 6.31 1658656 5225636 196 Average: 8661785 13561583 2391029 14.60 165495 4797255 2609229 14.98 1123027 6124539 2929 19:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:09 lo 1298.65 1298.65 1230.98 1230.98 0.00 0.00 0.00 0.00 19:20:09 ens3 57.26 44.75 54.68 13.93 0.00 0.00 0.00 0.00 19:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:08 lo 1464.86 1464.86 1395.01 1395.01 0.00 0.00 0.00 0.00 19:30:08 ens3 48.07 37.32 50.97 13.05 0.00 0.00 0.00 0.00 19:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:09 lo 2441.80 2441.80 9283.00 9283.00 0.00 0.00 0.00 0.00 19:40:09 ens3 79.22 89.41 143.86 1028.19 0.00 0.00 0.00 0.00 19:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1735.48 1735.48 3972.47 3972.47 0.00 0.00 0.00 0.00 Average: ens3 61.53 57.18 83.20 352.08 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-9979) 04/30/26 _x86_64_ (4 CPU) 19:03:18 LINUX RESTART (4 CPU) 19:10:10 CPU %user %nice %system %iowait %steal %idle 19:20:09 all 67.01 0.00 2.35 0.04 0.10 30.50 19:20:09 0 66.53 0.00 2.13 0.03 0.11 31.21 19:20:09 1 68.28 0.00 2.81 0.04 0.10 28.77 19:20:09 2 68.19 0.00 2.18 0.06 0.10 29.47 19:20:09 3 65.03 0.00 2.27 0.05 0.10 32.55 19:30:08 all 62.34 0.00 2.59 0.09 0.11 34.88 19:30:08 0 60.94 0.00 2.33 0.13 0.10 36.49 19:30:08 1 62.22 0.00 2.74 0.10 0.10 34.83 19:30:08 2 61.37 0.00 2.43 0.08 0.10 36.01 19:30:08 3 64.83 0.00 2.83 0.04 0.11 32.19 19:40:09 all 32.67 0.00 1.28 0.10 0.08 65.87 19:40:09 0 32.12 0.00 1.52 0.12 0.09 66.16 19:40:09 1 36.23 0.00 0.80 0.04 0.08 62.85 19:40:09 2 24.86 0.00 1.18 0.18 0.08 73.70 19:40:09 3 37.48 0.00 1.60 0.07 0.09 60.76 Average: all 53.97 0.00 2.07 0.08 0.10 43.79 Average: 0 53.16 0.00 1.99 0.09 0.10 44.66 Average: 1 55.54 0.00 2.11 0.06 0.09 42.19 Average: 2 51.42 0.00 1.93 0.10 0.10 46.45 Average: 3 55.76 0.00 2.23 0.05 0.10 41.86