---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29158 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: 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 18G 60G 23% / 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 710 10919 4 4359 14935 Swap: 1023 1 1022 ---> 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:46:82:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79714sec preferred_lft 79714sec inet6 fe80::f816:3eff:fe46:82b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:cd:f1:66:ac:f9 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 inet6 fe80::14cd:f1ff:fe66:acf9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-29158) 03/25/26 _x86_64_ (4 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 8.55 0.29 7.90 0.36 10.80 231.20 298.55 00:20:25 4.67 0.02 4.47 0.18 1.05 136.27 96.58 00:30:09 4.96 0.01 4.79 0.17 1.08 148.51 138.71 00:40:09 5.21 0.02 5.01 0.18 1.31 155.12 66.47 00:50:19 9.02 0.03 8.58 0.41 3.91 552.99 247.97 01:00:05 5.00 0.00 4.84 0.16 0.03 161.67 50.14 Average: 6.25 0.06 5.94 0.25 3.04 232.02 150.16 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 7957564 11347816 4589704 28.03 281312 3112180 5345836 30.69 2212788 5663760 256 00:20:25 7983924 11393276 4544088 27.75 281764 3130860 5188232 29.78 2214340 5636864 212 00:30:09 6492148 9920676 6015984 36.74 282292 3149508 6816112 39.12 2216528 7121596 196 00:40:09 6388952 9838796 6097832 37.24 282940 3170164 6870484 39.44 2220264 7224676 76 00:50:19 11722740 15320332 618880 3.78 287116 3311832 1368480 7.86 2235324 1873688 21924 01:00:05 7616648 11216960 4720396 28.83 287604 3314220 5306040 30.46 2237204 5966512 276 Average: 8026996 11506309 4431147 27.06 283838 3198127 5149197 29.56 2222741 5581183 3823 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 20.06 20.06 10.58 10.58 0.00 0.00 0.00 0.00 00:10:08 ens3 0.80 0.78 0.16 0.13 0.00 0.00 0.00 0.00 00:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:25 lo 27.75 27.75 9.80 9.80 0.00 0.00 0.00 0.00 00:20:25 ens3 0.54 0.43 0.11 0.08 0.00 0.00 0.00 0.00 00:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:09 lo 15.28 15.28 7.99 7.99 0.00 0.00 0.00 0.00 00:30:09 ens3 0.90 0.52 0.22 0.15 0.00 0.00 0.00 0.00 00:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:09 lo 16.25 16.25 10.08 10.08 0.00 0.00 0.00 0.00 00:40:09 ens3 2.40 0.78 0.55 0.30 0.00 0.00 0.00 0.00 00:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:19 lo 14.11 14.11 7.64 7.64 0.00 0.00 0.00 0.00 00:50:19 ens3 3.01 0.69 0.49 0.21 0.00 0.00 0.00 0.00 00:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:05 lo 17.15 17.15 7.05 7.05 0.00 0.00 0.00 0.00 01:00:05 ens3 1.18 0.51 0.19 0.12 0.00 0.00 0.00 0.00 01:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.48 18.48 8.87 8.87 0.00 0.00 0.00 0.00 Average: ens3 1.48 0.62 0.29 0.17 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-16g-29158) 03/25/26 _x86_64_ (4 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 15.08 0.00 0.55 0.04 0.10 84.24 00:10:08 0 14.75 0.00 0.53 0.01 0.09 84.63 00:10:08 1 15.02 0.00 0.51 0.06 0.10 84.31 00:10:08 2 15.69 0.00 0.57 0.01 0.10 83.64 00:10:08 3 14.87 0.00 0.58 0.06 0.10 84.39 00:20:25 all 8.07 0.00 0.36 0.02 0.09 91.46 00:20:25 0 7.87 0.00 0.39 0.00 0.08 91.65 00:20:25 1 8.19 0.00 0.41 0.04 0.11 91.25 00:20:25 2 8.19 0.00 0.34 0.01 0.10 91.37 00:20:25 3 8.03 0.00 0.29 0.03 0.09 91.55 00:30:09 all 9.55 0.00 0.43 0.03 0.10 89.90 00:30:09 0 10.17 0.00 0.45 0.04 0.10 89.24 00:30:09 1 9.66 0.00 0.37 0.04 0.09 89.84 00:30:09 2 8.89 0.00 0.41 0.01 0.09 90.59 00:30:09 3 9.49 0.00 0.46 0.02 0.10 89.93 00:40:09 all 9.19 0.00 0.48 0.03 0.10 90.20 00:40:09 0 9.17 0.00 0.37 0.02 0.08 90.37 00:40:09 1 9.08 0.00 0.50 0.02 0.10 90.30 00:40:09 2 9.68 0.00 0.58 0.07 0.10 89.57 00:40:09 3 8.83 0.00 0.48 0.02 0.10 90.56 00:50:19 all 12.89 0.00 0.55 0.05 0.10 86.41 00:50:19 0 12.75 0.00 0.53 0.14 0.10 86.48 00:50:19 1 12.88 0.00 0.49 0.03 0.09 86.52 00:50:19 2 13.67 0.00 0.66 0.02 0.10 85.54 00:50:19 3 12.27 0.00 0.52 0.02 0.09 87.10 01:00:05 all 7.76 0.00 0.28 0.02 0.09 91.84 01:00:05 0 7.47 0.00 0.24 0.01 0.08 92.21 01:00:05 1 8.01 0.00 0.34 0.02 0.09 91.53 01:00:05 2 7.90 0.00 0.30 0.03 0.10 91.68 01:00:05 3 7.64 0.00 0.27 0.04 0.10 91.96 Average: all 10.43 0.00 0.44 0.03 0.09 89.00 Average: 0 10.37 0.00 0.42 0.03 0.09 89.09 Average: 1 10.48 0.00 0.44 0.03 0.10 88.95 Average: 2 10.69 0.00 0.48 0.02 0.10 88.72 Average: 3 10.20 0.00 0.43 0.03 0.10 89.24