---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2627 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 645 8834 4 6509 15001 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:c1:4f:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83982sec preferred_lft 83982sec inet6 fe80::f816:3eff:fec1:4f48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:0c:b5:2e:de:40 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-2627) 01/21/26 _x86_64_ (4 CPU) 10:27:48 LINUX RESTART (4 CPU) 10:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:08 19.46 2.64 15.71 1.11 539.48 2686.17 18019.71 10:50:09 29.31 2.95 23.57 2.78 161.18 3477.72 9413.21 11:00:07 31.15 0.02 27.79 3.34 0.28 2548.96 25516.28 Average: 26.68 1.87 22.40 2.42 231.95 2905.96 17640.35 10:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:08 12930312 15542276 436924 2.67 96860 2709720 983204 5.64 476876 2653496 16 10:50:09 8901984 12437936 3520248 21.50 137216 3537028 3558412 20.43 819324 6267176 20368 11:00:07 8054468 12248224 3705780 22.63 157716 4130216 3689124 21.18 978068 6914124 233300 Average: 9962255 13409479 2554317 15.60 130597 3458988 2743580 15.75 758089 5278265 84561 10:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:08 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 10:40:08 ens3 55.66 38.18 497.80 7.99 0.00 0.00 0.00 0.00 10:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:09 lo 1342.04 1342.04 1271.13 1271.13 0.00 0.00 0.00 0.00 10:50:09 ens3 108.65 82.22 770.62 19.65 0.00 0.00 0.00 0.00 10:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:07 lo 1433.13 1433.13 1365.05 1365.05 0.00 0.00 0.00 0.00 11:00:07 ens3 45.74 33.82 55.67 12.06 0.00 0.00 0.00 0.00 11:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 930.47 930.47 883.77 883.77 0.00 0.00 0.00 0.00 Average: ens3 70.13 51.50 441.36 13.26 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-2627) 01/21/26 _x86_64_ (4 CPU) 10:27:48 LINUX RESTART (4 CPU) 10:30:19 CPU %user %nice %system %iowait %steal %idle 10:40:08 all 3.02 0.00 0.52 1.25 0.03 95.18 10:40:08 0 2.79 0.00 0.59 1.28 0.03 95.31 10:40:08 1 3.96 0.00 0.46 1.31 0.02 94.25 10:40:08 2 3.14 0.00 0.53 1.34 0.04 94.95 10:40:08 3 2.20 0.00 0.49 1.07 0.03 96.20 10:50:09 all 57.50 0.00 2.32 0.30 0.11 39.77 10:50:09 0 58.35 0.00 2.35 0.17 0.11 39.03 10:50:09 1 58.03 0.00 2.13 0.42 0.11 39.30 10:50:09 2 55.75 0.00 2.37 0.30 0.11 41.48 10:50:09 3 57.87 0.00 2.44 0.30 0.11 39.28 11:00:07 all 63.32 0.00 2.52 0.89 0.12 33.15 11:00:07 0 62.97 0.00 2.43 1.15 0.11 33.34 11:00:07 1 64.35 0.00 2.58 0.92 0.12 32.02 11:00:07 2 63.37 0.00 2.30 0.53 0.11 33.69 11:00:07 3 62.59 0.00 2.74 0.98 0.12 33.56 Average: all 41.43 0.00 1.79 0.81 0.08 55.88 Average: 0 41.54 0.00 1.79 0.87 0.08 55.72 Average: 1 42.27 0.00 1.73 0.88 0.09 55.03 Average: 2 40.88 0.00 1.74 0.72 0.09 56.58 Average: 3 41.05 0.00 1.90 0.78 0.09 56.18