---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40422 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 67G 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 701 9502 4 5785 14945 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:1f:57:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84668sec preferred_lft 84668sec inet6 fe80::f816:3eff:fe1f:579a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:93:5c:1c:4a:73 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-40422) 08/23/26 _x86_64_ (4 CPU) 15:47:17 LINUX RESTART (4 CPU) 15:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:06 27.42 2.07 23.15 2.21 128.01 5047.12 10779.69 16:10:01 46.67 0.07 29.54 17.07 2.06 6174.49 256938.18 Average: 36.95 1.08 26.31 9.56 65.64 5605.34 132665.78 15:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:06 8726504 12774196 3180788 19.43 161948 3955760 3479956 19.97 759436 6449588 186452 16:10:01 7626672 12952416 2996540 18.30 188264 5141608 3237356 18.58 1038604 7192248 18796 Average: 8176588 12863306 3088664 18.86 175106 4548684 3358656 19.28 899020 6820918 102624 15:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:06 lo 1028.88 1028.88 980.21 980.21 0.00 0.00 0.00 0.00 16:00:06 ens3 76.99 59.14 384.19 15.81 0.00 0.00 0.00 0.00 16:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1222.68 1222.68 1165.01 1165.01 0.00 0.00 0.00 0.00 16:10:01 ens3 60.34 45.30 257.70 12.09 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1124.84 1124.84 1071.71 1071.71 0.00 0.00 0.00 0.00 Average: ens3 68.75 52.28 321.56 13.97 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-40422) 08/23/26 _x86_64_ (4 CPU) 15:47:17 LINUX RESTART (4 CPU) 15:50:00 CPU %user %nice %system %iowait %steal %idle 16:00:06 all 66.34 0.00 2.29 0.06 0.10 31.21 16:00:06 0 67.43 0.00 2.13 0.07 0.10 30.27 16:00:06 1 66.22 0.00 2.46 0.09 0.09 31.13 16:00:06 2 64.05 0.00 2.33 0.05 0.10 33.46 16:00:06 3 67.65 0.00 2.24 0.05 0.10 29.96 16:10:01 all 56.58 0.00 2.31 0.10 0.10 40.91 16:10:01 0 57.56 0.00 2.50 0.11 0.09 39.74 16:10:01 1 55.14 0.00 2.60 0.06 0.10 42.10 16:10:01 2 55.64 0.00 2.02 0.17 0.09 42.08 16:10:01 3 57.99 0.00 2.15 0.05 0.10 39.72 Average: all 61.51 0.00 2.30 0.08 0.10 36.01 Average: 0 62.54 0.00 2.31 0.09 0.10 34.96 Average: 1 60.74 0.00 2.53 0.08 0.10 36.56 Average: 2 59.88 0.00 2.18 0.11 0.10 37.73 Average: 3 62.87 0.00 2.19 0.05 0.10 34.79