---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34060 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): 4 On-line CPU(s) list: 0-3 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): 4 Stepping: 0 BogoMIPS: 5600.00 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 669 9182 4 6137 14977 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:a1:9b:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84262sec preferred_lft 84262sec inet6 fe80::f816:3eff:fea1:9b38/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:fc:53:fb:c5:ed 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::dcfc:53ff:fefb:c5ed/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-34060) 08/10/26 _x86_64_ (4 CPU) 22:22:46 LINUX RESTART (4 CPU) 22:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:01 43.37 0.02 36.75 6.60 0.55 1682.16 128102.59 22:50:01 26.92 0.18 22.93 3.80 5.08 2207.04 37762.09 Average: 35.14 0.10 29.84 5.20 2.81 1944.57 82937.23 22:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 9275604 12852888 3105452 18.97 155072 3545520 3384960 19.43 699080 6009552 224 22:50:01 8962772 13005948 2948532 18.01 175284 3956724 3082464 17.69 838708 6133424 17808 Average: 9119188 12929418 3026992 18.49 165178 3751122 3233712 18.56 768894 6071488 9016 22:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 lo 35.51 35.51 8.35 8.35 0.00 0.00 0.00 0.00 22:40:01 ens3 11.18 9.03 9.95 2.77 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 1623.19 1623.19 1528.45 1528.45 0.00 0.00 0.00 0.00 22:50:01 ens3 38.79 29.23 285.12 6.14 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 829.26 829.26 768.32 768.32 0.00 0.00 0.00 0.00 Average: ens3 24.98 19.12 147.52 4.45 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-4c-4g-34060) 08/10/26 _x86_64_ (4 CPU) 22:22:46 LINUX RESTART (4 CPU) 22:30:01 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 30.56 0.00 1.33 0.43 0.21 67.48 22:40:01 0 30.32 0.00 1.28 0.37 0.21 67.83 22:40:01 1 30.23 0.00 1.31 0.21 0.20 68.05 22:40:01 2 30.36 0.00 1.36 0.56 0.21 67.51 22:40:01 3 31.32 0.00 1.36 0.59 0.21 66.52 22:50:01 all 44.69 0.00 2.27 0.05 0.12 52.88 22:50:01 0 44.12 0.00 2.28 0.05 0.12 53.42 22:50:01 1 44.68 0.00 2.24 0.04 0.11 52.92 22:50:01 2 45.76 0.00 2.28 0.07 0.12 51.78 22:50:01 3 44.18 0.00 2.26 0.04 0.12 53.41 Average: all 37.62 0.00 1.80 0.24 0.16 60.18 Average: 0 37.22 0.00 1.78 0.21 0.16 60.63 Average: 1 37.46 0.00 1.77 0.12 0.16 60.49 Average: 2 38.05 0.00 1.82 0.31 0.16 59.65 Average: 3 37.75 0.00 1.81 0.31 0.16 59.97