---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3771 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 15G 141G 10% / 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 760 23919 4 7412 30864 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:30:90:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.159/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84546sec preferred_lft 84546sec inet6 fe80::f816:3eff:fe30:9014/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:97:18:c9:40:02 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 inet6 fe80::3897:18ff:fec9:4002/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3771) 08/03/26 _x86_64_ (8 CPU) 13:18:06 LINUX RESTART (8 CPU) 13:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:01 1.66 0.19 1.47 0.01 6.23 18.85 221.55 13:40:27 53.48 3.79 48.88 0.80 251.36 9337.82 1102.02 Average: 28.09 2.03 25.65 0.41 131.26 4771.86 670.62 13:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 30093916 31752344 634840 1.93 59624 1937140 1512100 4.46 181208 2301332 8 13:40:27 24886320 29431752 2875428 8.75 137472 4616300 3185584 9.39 489436 6989488 132 Average: 27490118 30592048 1755134 5.34 98548 3276720 2348842 6.93 335322 4645410 70 13:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:30:01 ens3 1.50 1.06 0.89 0.89 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:27 lo 0.63 0.63 0.05 0.05 0.00 0.00 0.00 0.00 13:40:27 ens3 102.78 67.19 1730.67 13.38 0.00 0.00 0.00 0.00 13:40:27 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 53.16 34.79 883.14 7.26 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 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3771) 08/03/26 _x86_64_ (8 CPU) 13:18:06 LINUX RESTART (8 CPU) 13:20:00 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 0.13 0.00 0.02 0.01 0.01 99.84 13:30:01 0 0.02 0.00 0.01 0.00 0.01 99.95 13:30:01 1 0.02 0.00 0.01 0.00 0.00 99.96 13:30:01 2 0.14 0.00 0.02 0.01 0.01 99.81 13:30:01 3 0.01 0.00 0.02 0.00 0.01 99.96 13:30:01 4 0.12 0.00 0.01 0.00 0.00 99.86 13:30:01 5 0.04 0.00 0.02 0.00 0.01 99.92 13:30:01 6 0.55 0.00 0.02 0.03 0.01 99.39 13:30:01 7 0.13 0.00 0.03 0.00 0.02 99.82 13:40:27 all 8.45 0.00 0.58 0.17 0.03 90.77 13:40:27 0 6.36 0.00 0.45 0.05 0.03 93.10 13:40:27 1 10.97 0.00 0.57 0.09 0.03 88.33 13:40:27 2 11.93 0.00 0.81 0.17 0.04 87.05 13:40:27 3 8.74 0.00 0.65 0.06 0.03 90.52 13:40:27 4 6.82 0.00 0.61 0.42 0.03 92.13 13:40:27 5 8.07 0.00 0.68 0.43 0.03 90.79 13:40:27 6 6.94 0.00 0.44 0.04 0.05 92.54 13:40:27 7 7.74 0.00 0.43 0.09 0.03 91.70 Average: all 4.37 0.00 0.31 0.09 0.02 95.21 Average: 0 3.25 0.00 0.24 0.03 0.02 96.46 Average: 1 5.60 0.00 0.30 0.05 0.02 94.03 Average: 2 6.15 0.00 0.42 0.09 0.02 93.31 Average: 3 4.46 0.00 0.34 0.03 0.02 95.15 Average: 4 3.54 0.00 0.31 0.21 0.02 95.92 Average: 5 4.13 0.00 0.36 0.22 0.02 95.27 Average: 6 3.80 0.00 0.23 0.03 0.03 95.91 Average: 7 4.01 0.00 0.23 0.05 0.02 95.68