---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3308 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 949 19619 4 11522 30674 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:34:3e:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.139/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84654sec preferred_lft 84654sec inet6 fe80::f816:3eff:fe34:3e89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:6f:08:6b:31:d4 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-3308) 06/28/26 _x86_64_ (8 CPU) 17:38:03 LINUX RESTART (8 CPU) 17:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:01 366.63 1.85 358.47 6.31 449.96 21774.34 15962.19 18:00:34 9.46 0.23 8.14 1.09 3.11 792.75 752.85 Average: 179.46 1.00 174.89 3.58 215.80 10779.42 7992.08 17:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:01 17562880 26546220 5701260 17.35 468408 8054772 9943828 29.32 1599328 12494164 8448 18:00:34 16356044 25748848 6492932 19.76 476080 8430556 10020464 29.55 1688764 13576320 219220 Average: 16959462 26147534 6097096 18.55 472244 8242664 9982146 29.44 1644046 13035242 113834 17:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:01 lo 1.66 1.66 1.00 1.00 0.00 0.00 0.00 0.00 17:50:01 ens3 308.97 180.45 1226.76 68.41 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:34 lo 5.65 5.65 0.93 0.93 0.00 0.00 0.00 0.00 18:00:34 ens3 137.47 73.16 94.57 40.23 0.00 0.00 0.00 0.00 18:00:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.75 3.75 0.97 0.97 0.00 0.00 0.00 0.00 Average: ens3 219.10 124.23 633.46 53.64 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-3308) 06/28/26 _x86_64_ (8 CPU) 17:38:03 LINUX RESTART (8 CPU) 17:40:25 CPU %user %nice %system %iowait %steal %idle 17:50:01 all 66.34 0.00 4.65 0.43 0.14 28.43 17:50:01 0 64.79 0.00 4.81 0.56 0.14 29.69 17:50:01 1 66.36 0.00 4.52 0.32 0.14 28.66 17:50:01 2 63.70 0.00 4.96 0.44 0.14 30.76 17:50:01 3 69.52 0.00 4.12 0.46 0.15 25.76 17:50:01 4 65.74 0.00 4.83 0.35 0.14 28.94 17:50:01 5 66.14 0.00 4.63 0.41 0.14 28.68 17:50:01 6 65.98 0.00 4.40 0.41 0.14 29.08 17:50:01 7 68.49 0.00 4.95 0.52 0.14 25.90 18:00:34 all 96.39 0.00 3.22 0.03 0.27 0.10 18:00:34 0 96.14 0.00 3.51 0.00 0.30 0.05 18:00:34 1 95.93 0.00 3.83 0.02 0.16 0.05 18:00:34 2 96.79 0.00 2.89 0.01 0.26 0.04 18:00:34 3 96.51 0.00 3.09 0.00 0.22 0.18 18:00:34 4 96.26 0.00 3.21 0.20 0.25 0.07 18:00:34 5 96.68 0.00 3.02 0.00 0.23 0.07 18:00:34 6 96.39 0.00 3.23 0.00 0.33 0.05 18:00:34 7 96.42 0.00 2.96 0.00 0.36 0.25 Average: all 82.09 0.00 3.90 0.22 0.21 13.58 Average: 0 81.26 0.00 4.13 0.27 0.23 14.12 Average: 1 81.88 0.00 4.16 0.16 0.15 13.65 Average: 2 81.01 0.00 3.88 0.21 0.21 14.69 Average: 3 83.65 0.00 3.58 0.22 0.18 12.37 Average: 4 81.76 0.00 3.98 0.27 0.20 13.79 Average: 5 82.10 0.00 3.79 0.19 0.19 13.73 Average: 6 81.92 0.00 3.79 0.19 0.24 13.86 Average: 7 83.15 0.00 3.91 0.25 0.26 12.44