---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5510 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: 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: 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 776 20191 4 11124 30848 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:a3:0c:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.132/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84699sec preferred_lft 84699sec inet6 fe80::f816:3eff:fea3:c0c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:41:d5:3a:c8:f9 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-5510) 03/27/26 _x86_64_ (8 CPU) 12:58:41 LINUX RESTART (8 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:00 396.61 5.03 385.57 6.02 273.02 23664.78 7418.72 13:20:00 30.60 0.27 9.13 21.21 4.01 1592.37 490393.57 Average: 213.61 2.65 197.35 13.61 138.51 12628.49 248908.16 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:00 18414236 26987292 5261940 16.01 463956 7668580 9608516 28.33 1451348 11817212 22484 13:20:00 17170312 26162824 6082232 18.51 472600 8054292 9386488 27.68 1553952 12913732 6724 Average: 17792274 26575058 5672086 17.26 468278 7861436 9497502 28.01 1502650 12365472 14604 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:00 lo 1.68 1.68 0.98 0.98 0.00 0.00 0.00 0.00 13:10:00 ens3 341.53 216.91 1652.47 73.59 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 6.33 6.33 1.04 1.04 0.00 0.00 0.00 0.00 13:20:00 ens3 113.62 74.51 88.28 34.45 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.00 4.00 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 227.58 145.71 870.37 54.02 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-5510) 03/27/26 _x86_64_ (8 CPU) 12:58:41 LINUX RESTART (8 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:00 all 59.00 0.00 3.58 1.44 0.13 35.86 13:10:00 0 66.35 0.00 3.63 2.21 0.13 27.67 13:10:00 1 57.41 0.00 3.62 1.49 0.12 37.36 13:10:00 2 56.17 0.00 3.49 1.31 0.13 38.90 13:10:00 3 60.07 0.00 3.81 1.60 0.13 34.38 13:10:00 4 57.91 0.00 3.26 1.16 0.13 37.54 13:10:00 5 60.96 0.00 3.60 1.73 0.12 33.59 13:10:00 6 55.90 0.00 3.67 0.84 0.13 39.46 13:10:00 7 57.24 0.00 3.54 1.14 0.12 37.96 13:20:00 all 96.85 0.00 2.95 0.00 0.15 0.05 13:20:00 0 96.71 0.00 3.10 0.00 0.15 0.05 13:20:00 1 96.79 0.00 3.01 0.00 0.15 0.05 13:20:00 2 97.17 0.00 2.64 0.00 0.15 0.04 13:20:00 3 96.92 0.00 2.87 0.00 0.15 0.05 13:20:00 4 96.84 0.00 2.96 0.00 0.15 0.05 13:20:00 5 96.91 0.00 2.90 0.00 0.15 0.04 13:20:00 6 96.67 0.00 3.12 0.00 0.15 0.06 13:20:00 7 96.79 0.00 3.00 0.00 0.15 0.06 Average: all 77.98 0.00 3.26 0.72 0.14 17.91 Average: 0 81.57 0.00 3.36 1.10 0.14 13.83 Average: 1 77.15 0.00 3.32 0.74 0.14 18.66 Average: 2 76.73 0.00 3.07 0.65 0.14 19.42 Average: 3 78.55 0.00 3.34 0.80 0.14 17.17 Average: 4 77.43 0.00 3.11 0.58 0.14 18.74 Average: 5 78.98 0.00 3.25 0.86 0.13 16.77 Average: 6 76.34 0.00 3.40 0.42 0.14 19.71 Average: 7 77.07 0.00 3.27 0.57 0.13 18.96