---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2086 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 11G 67G 14% / 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 10413 4 4874 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:31:a0:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83997sec preferred_lft 83997sec inet6 fe80::f816:3eff:fe31:a037/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:d0:08:87:03:06 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-2086) 08/04/26 _x86_64_ (4 CPU) 14:59:37 LINUX RESTART (4 CPU) 15:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:01 45.77 8.41 36.69 0.67 1340.19 6821.56 2061.93 15:20:13 11.72 1.84 9.31 0.57 120.51 2435.33 1526.54 15:30:16 23.69 0.81 20.01 2.88 29.17 3220.18 3644.59 Average: 26.97 3.67 21.92 1.37 494.15 4148.28 2406.35 15:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:01 12992964 15495120 479860 2.93 98644 2592460 996048 5.72 338484 2717316 24 15:20:13 10842340 14134572 1826460 11.16 128728 3291964 2451412 14.07 538220 4612436 26336 15:30:16 9153128 13305384 2647304 16.17 166072 4038892 2827400 16.23 763536 5987008 11624 Average: 10996144 14311692 1651208 10.08 131148 3307772 2091620 12.01 546747 4438920 12661 15:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 15:10:01 ens3 68.91 54.01 560.05 10.70 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:13 lo 0.82 0.82 0.08 0.08 0.00 0.00 0.00 0.00 15:20:13 ens3 76.74 61.95 663.03 14.01 0.00 0.00 0.00 0.00 15:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:16 lo 1335.03 1335.03 1272.71 1272.71 0.00 0.00 0.00 0.00 15:30:16 ens3 83.29 62.01 330.25 18.28 0.00 0.00 0.00 0.00 15:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 443.17 443.17 422.16 422.16 0.00 0.00 0.00 0.00 Average: ens3 76.32 59.34 518.55 14.33 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-2086) 08/04/26 _x86_64_ (4 CPU) 14:59:37 LINUX RESTART (4 CPU) 15:00:00 CPU %user %nice %system %iowait %steal %idle 15:10:01 all 3.22 0.00 0.50 0.35 0.03 95.91 15:10:01 0 3.83 0.00 0.47 0.19 0.03 95.49 15:10:01 1 4.64 0.00 0.50 0.15 0.03 94.67 15:10:01 2 3.19 0.00 0.59 0.64 0.03 95.55 15:10:01 3 1.21 0.00 0.42 0.41 0.02 97.93 15:20:13 all 42.86 0.00 1.39 0.05 0.08 55.63 15:20:13 0 43.24 0.00 1.31 0.03 0.08 55.34 15:20:13 1 42.85 0.00 1.36 0.06 0.08 55.66 15:20:13 2 44.84 0.00 1.60 0.06 0.08 53.43 15:20:13 3 40.50 0.00 1.28 0.04 0.08 58.11 15:30:16 all 69.34 0.00 2.78 0.05 0.12 27.72 15:30:16 0 70.27 0.00 2.75 0.05 0.12 26.81 15:30:16 1 69.23 0.00 2.90 0.02 0.11 27.73 15:30:16 2 71.59 0.00 2.56 0.03 0.12 25.70 15:30:16 3 66.27 0.00 2.92 0.08 0.12 30.62 Average: all 38.50 0.00 1.55 0.15 0.07 59.72 Average: 0 39.15 0.00 1.51 0.09 0.08 59.18 Average: 1 38.93 0.00 1.58 0.08 0.07 59.34 Average: 2 39.90 0.00 1.58 0.24 0.08 58.20 Average: 3 36.04 0.00 1.54 0.18 0.07 62.18