---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54232 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 645 8791 4 6552 15001 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:12:46:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83874sec preferred_lft 83874sec inet6 fe80::f816:3eff:fe12:464e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:e2:8c:67:53:fe 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54232) 03/30/26 _x86_64_ (4 CPU) 10:55:57 LINUX RESTART (4 CPU) 11:00:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:34 47.78 3.38 27.38 17.02 566.44 4479.80 246857.72 11:20:01 30.30 0.02 27.16 3.12 0.23 2462.87 7493.47 11:30:23 17.62 0.30 15.54 1.77 11.27 7865.08 36461.55 Average: 31.73 1.24 23.19 7.30 193.34 5019.29 97597.36 11:00:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:34 9479600 13187948 2770220 16.92 140732 3689700 3025144 17.36 813840 5679028 33016 11:20:01 8710576 12810760 3144132 19.20 160196 4031180 3265628 18.74 918544 6324576 32220 11:30:23 9008644 15357904 590056 3.60 180136 6186024 1108716 6.36 1694356 5161024 36 Average: 9066273 13785537 2168136 13.24 160355 4635635 2466496 14.16 1142247 5721543 21757 11:00:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:34 lo 1496.53 1496.53 1419.76 1419.76 0.00 0.00 0.00 0.00 11:10:34 ens3 115.06 87.81 1058.80 20.87 0.00 0.00 0.00 0.00 11:10:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 1385.71 1385.71 1319.66 1319.66 0.00 0.00 0.00 0.00 11:20:01 ens3 34.32 26.75 36.72 11.01 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:23 lo 410.70 410.70 6761.05 6761.05 0.00 0.00 0.00 0.00 11:30:23 ens3 43.29 43.38 102.47 349.14 0.00 0.00 0.00 0.00 11:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1083.04 1083.04 3249.01 3249.01 0.00 0.00 0.00 0.00 Average: ens3 64.44 52.95 401.27 132.12 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54232) 03/30/26 _x86_64_ (4 CPU) 10:55:57 LINUX RESTART (4 CPU) 11:00:36 CPU %user %nice %system %iowait %steal %idle 11:10:34 all 67.61 0.00 2.87 0.82 0.12 28.58 11:10:34 0 66.62 0.00 2.67 0.17 0.13 30.41 11:10:34 1 68.59 0.00 3.23 1.44 0.12 26.62 11:10:34 2 67.14 0.00 2.69 0.26 0.13 29.78 11:10:34 3 68.07 0.00 2.89 1.40 0.12 27.51 11:20:01 all 62.82 0.00 2.54 0.14 0.12 34.39 11:20:01 0 62.89 0.00 2.43 0.25 0.12 34.32 11:20:01 1 62.13 0.00 2.76 0.10 0.12 34.89 11:20:01 2 62.71 0.00 2.53 0.06 0.12 34.58 11:20:01 3 63.55 0.00 2.43 0.14 0.12 33.76 11:30:23 all 33.97 0.00 1.25 0.28 0.09 64.41 11:30:23 0 33.75 0.00 1.54 0.21 0.09 64.41 11:30:23 1 39.05 0.00 1.08 0.14 0.09 59.65 11:30:23 2 33.26 0.00 1.00 0.55 0.09 65.10 11:30:23 3 29.83 0.00 1.37 0.22 0.09 68.49 Average: all 54.35 0.00 2.20 0.41 0.11 42.92 Average: 0 53.96 0.00 2.20 0.21 0.11 43.52 Average: 1 56.24 0.00 2.33 0.56 0.11 40.76 Average: 2 53.91 0.00 2.05 0.30 0.11 43.63 Average: 3 53.29 0.00 2.22 0.59 0.11 43.79