---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5377 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 16% / 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 683 8683 4 6621 14962 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:14:3e:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84295sec preferred_lft 84295sec inet6 fe80::f816:3eff:fe14:3e68/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:9a:c7:dd:a3:51 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5377) 01/28/26 _x86_64_ (4 CPU) 12:45:28 LINUX RESTART (4 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:15 42.77 1.13 25.12 16.52 623.58 3727.90 257906.60 13:10:15 32.20 0.01 28.83 3.36 0.16 2782.97 6805.00 13:20:01 15.44 0.19 13.62 1.63 12.68 7989.27 40858.62 Average: 30.35 0.45 22.61 7.29 216.96 4800.09 103570.77 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:15 9088876 12830552 3126632 19.10 140228 3723988 3300620 18.95 884844 6014892 31848 13:10:15 7415228 12250788 3701608 22.61 159340 4748612 3578164 20.54 1190000 7316208 606724 13:20:01 8878596 15302484 643708 3.93 176732 6267476 1135868 6.52 1798864 5174256 1732 Average: 8460900 13461275 2490649 15.21 158767 4913359 2671551 15.33 1291236 6168452 213435 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:15 lo 1478.88 1478.88 1403.14 1403.14 0.00 0.00 0.00 0.00 13:00:15 ens3 74.36 59.47 255.93 15.78 0.00 0.00 0.00 0.00 13:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:15 lo 1346.85 1346.85 1282.45 1282.45 0.00 0.00 0.00 0.00 13:10:15 ens3 44.26 34.85 43.16 12.05 0.00 0.00 0.00 0.00 13:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 257.60 257.60 7004.05 7004.05 0.00 0.00 0.00 0.00 13:20:01 ens3 94.41 102.41 120.10 1075.17 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1037.34 1037.34 3186.05 3186.05 0.00 0.00 0.00 0.00 Average: ens3 70.85 65.24 140.81 359.37 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5377) 01/28/26 _x86_64_ (4 CPU) 12:45:28 LINUX RESTART (4 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:15 all 69.91 0.00 2.49 0.26 0.09 27.25 13:00:15 0 68.54 0.00 2.34 0.25 0.09 28.78 13:00:15 1 69.32 0.00 2.48 0.26 0.09 27.85 13:00:15 2 70.68 0.00 2.78 0.21 0.09 26.23 13:00:15 3 71.10 0.00 2.35 0.31 0.09 26.15 13:10:15 all 63.00 0.00 2.51 0.10 0.10 34.29 13:10:15 0 64.07 0.00 2.47 0.13 0.10 33.23 13:10:15 1 62.62 0.00 2.39 0.13 0.09 34.77 13:10:15 2 63.32 0.00 2.45 0.06 0.09 34.07 13:10:15 3 62.01 0.00 2.74 0.06 0.10 35.09 13:20:01 all 28.90 0.00 1.00 2.30 0.07 67.72 13:20:01 0 25.73 0.00 0.84 2.23 0.07 71.13 13:20:01 1 30.42 0.00 1.09 3.42 0.08 64.99 13:20:01 2 30.41 0.00 1.18 0.36 0.07 67.97 13:20:01 3 29.03 0.00 0.90 3.19 0.07 66.80 Average: all 54.24 0.00 2.01 0.87 0.09 42.79 Average: 0 53.07 0.00 1.89 0.86 0.09 44.09 Average: 1 54.41 0.00 2.00 1.25 0.09 42.26 Average: 2 55.11 0.00 2.15 0.21 0.09 42.44 Average: 3 54.37 0.00 2.01 1.17 0.09 42.37