---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-455219 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 9.3G 69G 12% / 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 596 11819 4 3573 15050 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:bf:fa:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84206sec preferred_lft 84206sec inet6 fe80::f816:3eff:febf:fadb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:89:ed:47:d6:f4 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-455219) 03/12/26 _x86_64_ (4 CPU) 21:13:48 LINUX RESTART (4 CPU) 21:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:30 7.30 0.02 6.18 1.10 0.61 341.47 8488.06 21:40:09 1.41 0.00 1.41 0.00 0.00 17.97 0.00 21:50:10 4.58 0.06 3.64 0.87 8.11 126.10 349.96 Average: 4.49 0.03 3.79 0.67 2.92 164.92 3022.74 21:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:30 9694344 12999844 2960372 18.08 121960 3318216 3267372 18.75 646568 5643388 88 21:40:09 9674656 12980604 2979612 18.20 122352 3318228 3267468 18.76 646980 5656248 56 21:50:10 12150348 15455576 505272 3.09 125820 3314160 1040136 5.97 664568 3189304 26892 Average: 10506449 13812008 2148419 13.12 123377 3316868 2524992 14.49 652705 4829647 9012 21:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:30 lo 149.02 149.02 28.27 28.27 0.00 0.00 0.00 0.00 21:30:30 ens3 2.91 2.49 4.10 0.69 0.00 0.00 0.00 0.00 21:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:09 lo 171.24 171.24 30.77 30.77 0.00 0.00 0.00 0.00 21:40:09 ens3 0.23 0.12 0.07 0.04 0.00 0.00 0.00 0.00 21:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:10 lo 160.30 160.30 28.78 28.78 0.00 0.00 0.00 0.00 21:50:10 ens3 2.11 1.77 1.55 0.87 0.00 0.00 0.00 0.00 21:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 159.97 159.97 29.25 29.25 0.00 0.00 0.00 0.00 Average: ens3 1.78 1.48 1.95 0.54 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-455219) 03/12/26 _x86_64_ (4 CPU) 21:13:48 LINUX RESTART (4 CPU) 21:20:16 CPU %user %nice %system %iowait %steal %idle 21:30:30 all 7.35 0.00 0.63 0.15 0.09 91.78 21:30:30 0 7.80 0.00 0.61 0.01 0.09 91.49 21:30:30 1 7.41 0.00 0.67 0.09 0.09 91.73 21:30:30 2 6.44 0.00 0.63 0.04 0.09 92.80 21:30:30 3 7.75 0.00 0.62 0.45 0.09 91.09 21:40:09 all 2.36 0.00 1.13 0.19 0.09 96.24 21:40:09 0 2.21 0.00 1.15 0.09 0.09 96.47 21:40:09 1 2.40 0.00 1.15 0.09 0.08 96.27 21:40:09 2 2.32 0.00 1.11 0.40 0.09 96.08 21:40:09 3 2.49 0.00 1.08 0.17 0.09 96.17 21:50:10 all 3.41 0.00 1.11 0.19 0.08 95.22 21:50:10 0 2.80 0.00 1.21 0.23 0.07 95.67 21:50:10 1 5.33 0.00 1.19 0.17 0.07 93.24 21:50:10 2 2.72 0.00 1.02 0.04 0.09 96.14 21:50:10 3 2.78 0.00 1.02 0.31 0.07 95.81 Average: all 4.40 0.00 0.95 0.17 0.08 94.39 Average: 0 4.31 0.00 0.99 0.11 0.08 94.51 Average: 1 5.08 0.00 1.00 0.12 0.08 93.72 Average: 2 3.85 0.00 0.92 0.16 0.09 94.99 Average: 3 4.36 0.00 0.91 0.31 0.08 94.33