---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22398 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 13G 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 689 8529 4 6769 14956 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:48:c8:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83157sec preferred_lft 83157sec inet6 fe80::f816:3eff:fe48:c883/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:45:52:ca:4c:0c 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-22398) 02/26/26 _x86_64_ (4 CPU) 13:06:52 LINUX RESTART (4 CPU) 13:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:10 19.36 0.57 5.44 13.35 609.33 1261.51 262707.54 13:30:10 1.27 0.01 1.26 0.00 0.04 364.25 8.96 13:40:10 67.81 5.08 59.81 2.92 283.12 6116.53 7252.91 13:50:10 25.86 0.01 23.33 2.53 0.31 2547.86 9913.65 14:00:05 23.39 0.02 21.24 2.12 0.47 9673.77 44590.68 Average: 27.55 1.14 22.22 4.19 178.96 3982.94 64930.12 13:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:10 13360316 15507428 505048 3.08 60872 2309588 1132148 6.50 391736 2353232 40 13:30:10 13360936 15508512 504180 3.08 61356 2309576 1132212 6.50 392212 2352204 192 13:40:10 9510664 13341892 2615716 15.98 137480 3821424 2738076 15.72 830144 5652904 118672 13:50:10 8131724 12453180 3500184 21.38 157376 4252988 3419792 19.63 972148 6839724 202836 14:00:05 8836596 15399612 546852 3.34 178692 6397920 1022380 5.87 1783616 5215228 10860 Average: 10640047 14442125 1534396 9.37 119155 3818299 1888922 10.84 873971 4482658 66520 13:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:10 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 13:20:10 ens3 20.97 13.05 269.23 0.98 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 13:30:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:10 ens3 0.50 0.08 0.06 0.02 0.00 0.00 0.00 0.00 13:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:10 lo 1375.50 1375.50 1304.41 1304.41 0.00 0.00 0.00 0.00 13:40:10 ens3 142.17 108.18 1175.50 20.05 0.00 0.00 0.00 0.00 13:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:10 lo 1054.48 1054.48 1003.71 1003.71 0.00 0.00 0.00 0.00 13:50:10 ens3 28.93 23.17 18.63 7.00 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 14:00:05 lo 713.83 713.83 7352.63 7352.63 0.00 0.00 0.00 0.00 14:00:05 ens3 39.16 32.23 121.76 33.24 0.00 0.00 0.00 0.00 14:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 628.67 628.67 1922.76 1922.76 0.00 0.00 0.00 0.00 Average: ens3 46.36 35.35 317.38 12.22 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-22398) 02/26/26 _x86_64_ (4 CPU) 13:06:52 LINUX RESTART (4 CPU) 13:10:10 CPU %user %nice %system %iowait %steal %idle 13:20:10 all 0.49 0.00 0.21 0.20 0.02 99.09 13:20:10 0 0.40 0.00 0.14 0.21 0.01 99.24 13:20:10 1 0.53 0.00 0.32 0.15 0.02 98.98 13:20:10 2 0.50 0.00 0.19 0.24 0.01 99.07 13:20:10 3 0.53 0.00 0.17 0.19 0.02 99.08 13:30:10 all 0.14 0.00 0.03 0.01 0.01 99.81 13:30:10 0 0.02 0.00 0.02 0.00 0.01 99.95 13:30:10 1 0.02 0.00 0.02 0.02 0.02 99.92 13:30:10 2 0.04 0.00 0.02 0.02 0.00 99.93 13:30:10 3 0.48 0.00 0.05 0.00 0.02 99.44 13:40:10 all 54.81 0.00 2.35 0.34 0.11 42.38 13:40:10 0 54.96 0.00 2.61 0.41 0.11 41.91 13:40:10 1 55.23 0.00 2.17 0.21 0.11 42.28 13:40:10 2 55.57 0.00 2.51 0.54 0.11 41.27 13:40:10 3 53.48 0.00 2.12 0.23 0.10 44.07 13:50:10 all 66.62 0.00 2.30 0.18 0.13 30.76 13:50:10 0 66.82 0.00 2.62 0.18 0.13 30.25 13:50:10 1 67.32 0.00 1.98 0.14 0.13 30.43 13:50:10 2 66.59 0.00 2.31 0.22 0.13 30.75 13:50:10 3 65.76 0.00 2.30 0.18 0.13 31.62 14:00:05 all 45.32 0.00 1.71 0.39 0.09 52.47 14:00:05 0 38.78 0.00 1.49 1.00 0.09 58.64 14:00:05 1 43.54 0.00 1.60 0.11 0.09 54.65 14:00:05 2 47.72 0.00 1.88 0.03 0.10 50.27 14:00:05 3 51.23 0.00 1.88 0.44 0.10 46.35 Average: all 33.41 0.00 1.32 0.23 0.07 64.97 Average: 0 32.14 0.00 1.38 0.36 0.07 66.06 Average: 1 33.28 0.00 1.22 0.13 0.07 65.31 Average: 2 34.01 0.00 1.38 0.21 0.07 64.33 Average: 3 34.23 0.00 1.30 0.21 0.08 64.19