---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-12483 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 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 792 19774 4 11525 30832 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:98:95:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.114/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84566sec preferred_lft 84566sec inet6 fe80::f816:3eff:fe98:9590/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:31:1b:55:c8:c7 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 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-12483) 08/14/26 _x86_64_ (8 CPU) 09:18:16 LINUX RESTART (8 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:05 383.74 5.13 371.12 7.48 297.67 24079.75 29107.11 09:40:03 31.61 0.24 10.13 21.24 3.26 1037.80 490560.60 Average: 208.46 2.70 191.43 14.33 151.12 12610.16 258804.70 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:05 18993604 27855152 4393944 13.37 467984 7947548 4742020 13.98 1443664 11233424 24648 09:40:03 17321256 26437856 5805668 17.67 478980 8162436 9973604 29.41 1531992 12786612 3396 Average: 18157430 27146504 5099806 15.52 473482 8054992 7357812 21.70 1487828 12010018 14022 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:05 lo 1.79 1.79 0.98 0.98 0.00 0.00 0.00 0.00 09:30:05 ens3 340.61 203.55 1902.06 71.09 0.00 0.00 0.00 0.00 09:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 lo 5.83 5.83 0.98 0.98 0.00 0.00 0.00 0.00 09:40:03 ens3 123.75 76.73 139.99 37.91 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.80 3.80 0.98 0.98 0.00 0.00 0.00 0.00 Average: ens3 232.66 140.42 1024.96 54.57 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-12483) 08/14/26 _x86_64_ (8 CPU) 09:18:16 LINUX RESTART (8 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:05 all 62.56 0.00 3.94 1.07 0.16 32.27 09:30:05 0 60.97 0.00 4.21 0.87 0.15 33.79 09:30:05 1 65.76 0.00 3.82 1.12 0.15 29.15 09:30:05 2 60.11 0.00 3.84 1.04 0.16 34.86 09:30:05 3 62.11 0.00 3.87 0.89 0.15 32.97 09:30:05 4 60.83 0.00 3.87 0.87 0.15 34.28 09:30:05 5 65.23 0.00 3.83 0.99 0.16 29.79 09:30:05 6 62.83 0.00 4.02 0.93 0.16 32.06 09:30:05 7 62.61 0.00 4.07 1.87 0.16 31.28 09:40:03 all 93.67 0.00 2.82 0.00 0.16 3.35 09:40:03 0 92.86 0.00 2.94 0.00 0.17 4.03 09:40:03 1 92.66 0.00 2.71 0.00 0.17 4.47 09:40:03 2 93.26 0.00 2.79 0.00 0.16 3.78 09:40:03 3 96.66 0.00 2.70 0.00 0.16 0.47 09:40:03 4 93.66 0.00 2.97 0.00 0.16 3.21 09:40:03 5 92.32 0.00 2.78 0.01 0.16 4.73 09:40:03 6 94.83 0.00 2.98 0.01 0.17 2.01 09:40:03 7 93.09 0.00 2.69 0.00 0.16 4.06 Average: all 78.07 0.00 3.38 0.54 0.16 17.84 Average: 0 76.87 0.00 3.57 0.44 0.16 18.96 Average: 1 79.17 0.00 3.26 0.56 0.16 16.84 Average: 2 76.65 0.00 3.32 0.52 0.16 19.35 Average: 3 79.34 0.00 3.29 0.45 0.16 16.76 Average: 4 77.20 0.00 3.42 0.44 0.15 18.78 Average: 5 78.74 0.00 3.31 0.50 0.16 17.29 Average: 6 78.80 0.00 3.50 0.47 0.16 17.07 Average: 7 77.82 0.00 3.38 0.94 0.16 17.70