---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41185 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: 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: 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 743 9241 4 6004 14902 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:da:a6:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84428sec preferred_lft 84428sec inet6 fe80::f816:3eff:feda:a69f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:8a:04:13:bd:5a 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-4c-4g-41185) 08/26/26 _x86_64_ (4 CPU) 08:31:55 LINUX RESTART (4 CPU) 08:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:00 27.99 0.10 24.89 2.99 5.43 2633.35 25794.61 09:00:17 27.15 0.05 24.24 2.86 1.66 5798.83 92496.97 Average: 27.56 0.08 24.56 2.93 3.50 4248.78 59834.65 08:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:00 9337320 13480500 2471704 15.10 169744 4043016 2682152 15.40 771288 5783004 12928 09:00:17 6289904 11684744 4261352 26.03 194096 5206600 4467964 25.65 941316 8620548 53236 Average: 7813612 12582622 3366528 20.56 181920 4624808 3575058 20.52 856302 7201776 33082 08:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:00 lo 1492.65 1492.65 1422.85 1422.85 0.00 0.00 0.00 0.00 08:50:00 ens3 41.19 33.01 87.98 11.20 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:17 lo 501.38 501.38 476.98 476.98 0.00 0.00 0.00 0.00 09:00:17 ens3 59.39 47.33 250.60 13.22 0.00 0.00 0.00 0.00 09:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 986.78 986.78 940.15 940.15 0.00 0.00 0.00 0.00 Average: ens3 50.48 40.32 170.97 12.23 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-41185) 08/26/26 _x86_64_ (4 CPU) 08:31:55 LINUX RESTART (4 CPU) 08:40:07 CPU %user %nice %system %iowait %steal %idle 08:50:00 all 62.22 0.00 2.53 0.05 0.14 35.06 08:50:00 0 62.32 0.00 2.80 0.04 0.14 34.70 08:50:00 1 62.40 0.00 2.62 0.04 0.14 34.80 08:50:00 2 60.61 0.00 2.17 0.05 0.14 37.03 08:50:00 3 63.54 0.00 2.54 0.06 0.15 33.72 09:00:17 all 59.23 0.00 2.23 0.06 0.13 38.35 09:00:17 0 63.65 0.00 2.64 0.04 0.14 33.53 09:00:17 1 55.18 0.00 1.82 0.07 0.13 42.80 09:00:17 2 57.70 0.00 1.86 0.05 0.13 40.26 09:00:17 3 60.39 0.00 2.59 0.08 0.13 36.81 Average: all 60.69 0.00 2.38 0.05 0.14 36.74 Average: 0 63.00 0.00 2.72 0.04 0.14 34.10 Average: 1 58.72 0.00 2.21 0.05 0.13 38.88 Average: 2 59.13 0.00 2.01 0.05 0.13 38.68 Average: 3 61.93 0.00 2.56 0.07 0.14 35.30