---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22393 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 674 9013 4 6301 14972 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:4f:4e:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83151sec preferred_lft 83151sec inet6 fe80::f816:3eff:fe4f:4e0b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:84:d0:09:ac:0d 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22393) 02/26/26 _x86_64_ (4 CPU) 13:07:00 LINUX RESTART (4 CPU) 13:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:10 1.92 0.04 1.87 0.01 1.77 1026.33 218.43 13:30:00 1.56 0.01 1.56 0.00 0.04 17.91 0.00 13:40:01 43.97 5.00 37.02 1.95 275.49 4861.90 3440.36 13:50:10 23.28 0.07 20.77 2.45 6.60 1974.25 31613.41 14:00:00 31.31 0.05 28.55 2.71 0.71 9565.10 31907.84 Average: 20.39 1.03 17.94 1.42 57.05 3468.30 13424.58 13:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:10 13799872 15534068 484876 2.96 54144 1907256 1136860 6.53 193696 2147924 192 13:30:00 13799328 15534312 484596 2.96 54764 1907392 1136860 6.53 194312 2148704 8 13:40:01 10434980 13632268 2329972 14.23 120040 3233652 2488520 14.28 563416 5032544 115152 13:50:10 9225012 12902140 3055700 18.66 141000 3652592 3033924 17.41 715156 6038808 215508 14:00:00 6359628 12436732 3511580 21.45 169812 5935532 3408584 19.57 1570760 7933596 940 Average: 10723764 14007904 1973345 12.05 107952 3327285 2240950 12.86 647468 4660315 66360 13:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:10 ens3 0.83 0.20 0.20 0.10 0.00 0.00 0.00 0.00 13:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:00 ens3 0.47 0.09 0.06 0.02 0.00 0.00 0.00 0.00 13:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 796.59 796.59 758.96 758.96 0.00 0.00 0.00 0.00 13:40:01 ens3 121.41 88.63 1164.34 16.16 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:10 lo 1102.78 1102.78 1043.05 1043.05 0.00 0.00 0.00 0.00 13:50:10 ens3 20.71 17.97 16.82 6.27 0.00 0.00 0.00 0.00 13:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 981.01 981.01 932.40 932.40 0.00 0.00 0.00 0.00 14:00:00 ens3 39.21 34.23 147.59 9.67 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 576.40 576.40 547.14 547.14 0.00 0.00 0.00 0.00 Average: ens3 36.51 28.20 265.82 6.44 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22393) 02/26/26 _x86_64_ (4 CPU) 13:07:00 LINUX RESTART (4 CPU) 13:10:00 CPU %user %nice %system %iowait %steal %idle 13:20:10 all 0.18 0.00 0.03 0.18 0.01 99.59 13:20:10 0 0.30 0.00 0.02 0.47 0.01 99.20 13:20:10 1 0.14 0.00 0.03 0.01 0.01 99.81 13:20:10 2 0.22 0.00 0.04 0.20 0.01 99.52 13:20:10 3 0.06 0.00 0.04 0.06 0.01 99.84 13:30:00 all 0.11 0.00 0.02 0.05 0.01 99.81 13:30:00 0 0.01 0.00 0.02 0.04 0.00 99.93 13:30:00 1 0.36 0.00 0.02 0.00 0.01 99.61 13:30:00 2 0.05 0.00 0.05 0.14 0.02 99.74 13:30:00 3 0.01 0.00 0.01 0.00 0.01 99.97 13:40:01 all 31.80 0.00 1.67 0.57 0.15 65.81 13:40:01 0 31.63 0.00 1.60 1.03 0.15 65.60 13:40:01 1 30.67 0.00 1.71 0.49 0.11 67.03 13:40:01 2 32.94 0.00 1.51 0.45 0.13 64.97 13:40:01 3 31.97 0.00 1.87 0.30 0.21 65.65 13:50:10 all 63.72 0.00 2.40 0.20 0.27 33.41 13:50:10 0 64.46 0.00 2.25 0.20 0.24 32.86 13:50:10 1 64.32 0.00 2.52 0.30 0.37 32.48 13:50:10 2 64.97 0.00 2.37 0.09 0.21 32.36 13:50:10 3 61.13 0.00 2.44 0.23 0.27 35.94 14:00:00 all 60.54 0.00 2.43 0.67 0.17 36.19 14:00:00 0 61.42 0.00 2.51 1.44 0.19 34.45 14:00:00 1 57.48 0.00 2.44 0.64 0.18 39.26 14:00:00 2 61.73 0.00 2.55 0.21 0.16 35.35 14:00:00 3 61.54 0.00 2.22 0.38 0.15 35.71 Average: all 31.23 0.00 1.31 0.33 0.12 67.01 Average: 0 31.53 0.00 1.28 0.63 0.12 66.45 Average: 1 30.55 0.00 1.34 0.29 0.13 67.68 Average: 2 31.96 0.00 1.30 0.22 0.11 66.41 Average: 3 30.87 0.00 1.31 0.19 0.13 67.49