---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2321 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 772 19720 4 11599 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:fa:62:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.50/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84632sec preferred_lft 84632sec inet6 fe80::f816:3eff:fefa:6206/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:3e:5c:39:fa:d3 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-2321) 04/17/26 _x86_64_ (8 CPU) 08:29:47 LINUX RESTART (8 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:03 403.67 13.49 383.95 6.24 1616.45 39704.02 12759.81 08:50:03 33.47 0.26 12.17 21.04 3.67 1994.08 487632.47 Average: 218.93 6.88 198.42 13.63 811.65 20886.22 249728.13 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:03 18116480 26795684 5453760 16.60 462184 7782856 5678800 16.75 1447112 12097144 10076 08:50:03 16131392 25369424 6872464 20.91 476328 8282812 10616400 31.31 1595336 13901652 6112 Average: 17123936 26082554 6163112 18.75 469256 8032834 8147600 24.03 1521224 12999398 8094 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:03 lo 1.28 1.28 0.76 0.76 0.00 0.00 0.00 0.00 08:40:03 ens3 394.89 259.84 2247.42 79.57 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 08:50:03 lo 6.23 6.23 1.03 1.03 0.00 0.00 0.00 0.00 08:50:03 ens3 249.46 133.72 218.18 65.63 0.00 0.00 0.00 0.00 08:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.75 3.75 0.90 0.90 0.00 0.00 0.00 0.00 Average: ens3 322.32 196.91 1234.80 72.62 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-2321) 04/17/26 _x86_64_ (8 CPU) 08:29:47 LINUX RESTART (8 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:03 all 53.85 0.00 3.60 2.11 0.11 40.32 08:40:03 0 53.21 0.00 3.89 1.78 0.12 41.00 08:40:03 1 53.56 0.00 3.63 3.70 0.11 39.00 08:40:03 2 52.22 0.00 2.99 1.27 0.12 43.40 08:40:03 3 57.73 0.00 3.41 1.64 0.11 37.11 08:40:03 4 54.39 0.00 3.87 1.80 0.11 39.84 08:40:03 5 52.39 0.00 3.68 1.57 0.12 42.24 08:40:03 6 53.56 0.00 3.68 3.19 0.11 39.46 08:40:03 7 53.77 0.00 3.63 1.93 0.11 40.55 08:50:03 all 86.66 0.00 2.65 0.01 0.13 10.56 08:50:03 0 90.30 0.00 2.74 0.00 0.13 6.83 08:50:03 1 85.63 0.00 2.54 0.04 0.12 11.68 08:50:03 2 85.39 0.00 2.53 0.00 0.13 11.95 08:50:03 3 89.13 0.00 2.75 0.01 0.13 7.98 08:50:03 4 85.15 0.00 2.83 0.00 0.12 11.90 08:50:03 5 86.15 0.00 2.61 0.01 0.13 11.12 08:50:03 6 85.11 0.00 2.82 0.00 0.13 11.94 08:50:03 7 86.39 0.00 2.38 0.01 0.13 11.08 Average: all 70.27 0.00 3.12 1.06 0.12 25.43 Average: 0 71.78 0.00 3.31 0.89 0.12 23.90 Average: 1 69.62 0.00 3.08 1.87 0.11 25.32 Average: 2 68.82 0.00 2.76 0.63 0.12 27.67 Average: 3 73.43 0.00 3.08 0.82 0.12 22.54 Average: 4 69.79 0.00 3.35 0.90 0.11 25.85 Average: 5 69.30 0.00 3.14 0.79 0.12 26.66 Average: 6 69.33 0.00 3.25 1.59 0.12 25.70 Average: 7 70.09 0.00 3.01 0.97 0.12 25.81