---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4336 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 772 20165 4 11154 30852 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:14:6a:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.143/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84711sec preferred_lft 84711sec inet6 fe80::f816:3eff:fe14:6aed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:6b:c2:e2:c7:28 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-8c-8g-4336) 04/07/26 _x86_64_ (8 CPU) 08:13:58 LINUX RESTART (8 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:02 37.97 0.75 16.73 20.49 19.35 4603.34 493177.07 08:40:03 11.38 0.05 10.03 1.30 5.87 3023.39 2308.45 Average: 24.68 0.40 13.38 10.90 12.61 3813.83 247887.76 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:02 16983064 25668212 6578800 20.02 469412 7762128 9345656 27.56 1489352 13191192 8484 08:40:03 17202100 26727036 5517576 16.79 476508 8559284 8820244 26.01 1577660 12854352 3032 Average: 17092582 26197624 6048188 18.40 472960 8160706 9082950 26.78 1533506 13022772 5758 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:02 lo 6.05 6.05 1.78 1.78 0.00 0.00 0.00 0.00 08:30:02 ens3 217.67 126.54 405.54 54.25 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:03 lo 2.14 2.14 0.24 0.24 0.00 0.00 0.00 0.00 08:40:03 ens3 76.41 45.00 88.76 22.23 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.10 4.10 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 147.08 85.79 247.24 38.25 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-8c-8g-4336) 04/07/26 _x86_64_ (8 CPU) 08:13:58 LINUX RESTART (8 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:02 all 84.65 0.00 2.83 0.04 0.12 12.36 08:30:02 0 87.22 0.00 2.77 0.00 0.13 9.88 08:30:02 1 81.63 0.00 2.83 0.10 0.12 15.32 08:30:02 2 85.37 0.00 2.91 0.01 0.13 11.58 08:30:02 3 84.88 0.00 2.78 0.00 0.13 12.20 08:30:02 4 84.27 0.00 2.78 0.01 0.12 12.81 08:30:02 5 82.13 0.00 2.79 0.14 0.12 14.81 08:30:02 6 87.19 0.00 2.88 0.01 0.12 9.81 08:30:02 7 84.49 0.00 2.88 0.06 0.12 12.45 08:40:03 all 96.87 0.00 2.94 0.00 0.15 0.05 08:40:03 0 96.83 0.00 2.96 0.00 0.14 0.06 08:40:03 1 96.92 0.00 2.89 0.00 0.15 0.05 08:40:03 2 96.87 0.00 2.93 0.00 0.15 0.04 08:40:03 3 96.76 0.00 3.07 0.00 0.13 0.04 08:40:03 4 96.86 0.00 2.96 0.00 0.15 0.03 08:40:03 5 96.94 0.00 2.87 0.00 0.15 0.03 08:40:03 6 96.84 0.00 2.95 0.00 0.15 0.05 08:40:03 7 96.92 0.00 2.89 0.00 0.14 0.05 Average: all 90.76 0.00 2.88 0.02 0.14 6.20 Average: 0 92.03 0.00 2.86 0.00 0.14 4.97 Average: 1 89.27 0.00 2.86 0.05 0.13 7.69 Average: 2 91.12 0.00 2.92 0.00 0.14 5.81 Average: 3 90.82 0.00 2.92 0.00 0.13 6.12 Average: 4 90.57 0.00 2.87 0.00 0.14 6.42 Average: 5 89.54 0.00 2.83 0.07 0.14 7.42 Average: 6 92.02 0.00 2.92 0.00 0.14 4.93 Average: 7 90.71 0.00 2.88 0.03 0.13 6.25