---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3626 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: 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 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 701 10351 3 4935 14945 Swap: 1023 16 1007 ---> 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:9f:05:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79758sec preferred_lft 79758sec inet6 fe80::f816:3eff:fe9f:58d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:c8:96:c0:a8:64 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::54c8:96ff:fec0:a864/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-3626) 04/16/26 _x86_64_ (4 CPU) 13:37:58 LINUX RESTART (4 CPU) 13:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:10 172.80 9.21 158.25 5.34 861.44 37479.58 11536.79 14:00:03 54.11 22.74 29.60 1.77 253.38 1887.19 4505.49 14:10:09 10.43 0.31 9.51 0.60 4.94 306.69 1673.17 14:20:09 11.19 0.09 10.56 0.53 2.81 603.78 642.55 14:30:10 18.38 0.04 17.50 0.84 1.18 576.82 592.44 14:40:10 4.59 0.27 4.16 0.15 3.43 122.14 59.91 14:50:10 4.57 0.03 4.36 0.18 0.73 133.15 76.05 15:00:10 6.95 0.04 6.65 0.26 1.93 185.90 130.55 15:10:10 4.69 0.01 4.50 0.18 0.20 149.21 79.51 15:20:10 9.23 0.02 8.71 0.51 0.71 637.43 220.63 Average: 29.64 3.25 25.36 1.03 112.77 4206.33 1947.92 13:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:10 156088 5125292 10801060 65.97 261872 4569164 13007624 74.66 2149688 13360524 68 14:00:03 3389632 7151220 8780188 53.63 273568 3447224 9578492 54.98 2236768 10134312 308 14:10:09 7574296 11361832 4571208 27.92 275116 3471528 5274160 30.27 2257900 5940820 6556 14:20:09 11415296 15320080 617488 3.77 279540 3582252 1367608 7.85 2294972 2074900 10368 14:30:10 7972280 11951232 3985224 24.34 282228 3653652 5016200 28.79 2302236 5518736 292 14:40:10 7244268 11239388 4696404 28.68 282824 3669176 5380252 30.88 2304244 6238632 200 14:50:10 7469156 11482720 4453140 27.20 283276 3687172 5170524 29.68 2305584 6008376 276 15:00:10 9364828 13419172 2518056 15.38 284144 3726888 3707668 21.28 2310856 4124172 19868 15:10:10 9989888 14068252 1868936 11.41 284784 3750236 3017768 17.32 2313188 3496760 21452 15:20:10 7013668 11219800 4715772 28.80 288908 3868252 5360024 30.77 2328132 6432620 308 Average: 7158940 11233899 4700748 28.71 279626 3742554 5688032 32.65 2280357 6332985 5970 13:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:10 lo 5.27 5.27 5.41 5.41 0.00 0.00 0.00 0.00 13:50:10 ens3 123.91 99.44 1804.87 10.52 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 14:00:03 lo 41.94 41.94 23.97 23.97 0.00 0.00 0.00 0.00 14:00:03 ens3 1.99 1.84 0.49 1.26 0.00 0.00 0.00 0.00 14:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:09 lo 32.13 32.13 12.96 12.96 0.00 0.00 0.00 0.00 14:10:09 ens3 0.89 0.79 0.18 0.15 0.00 0.00 0.00 0.00 14:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:09 lo 12.92 12.92 6.61 6.61 0.00 0.00 0.00 0.00 14:20:09 ens3 0.69 0.58 0.19 0.15 0.00 0.00 0.00 0.00 14:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:10 lo 11.85 11.85 6.74 6.74 0.00 0.00 0.00 0.00 14:30:10 ens3 0.84 0.69 0.16 0.13 0.00 0.00 0.00 0.00 14:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:10 lo 20.02 20.02 9.68 9.68 0.00 0.00 0.00 0.00 14:40:10 ens3 0.98 0.64 0.28 0.20 0.00 0.00 0.00 0.00 14:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:10 lo 20.57 20.57 6.98 6.98 0.00 0.00 0.00 0.00 14:50:10 ens3 0.51 0.33 0.13 0.09 0.00 0.00 0.00 0.00 14:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:10 lo 22.83 22.83 10.49 10.49 0.00 0.00 0.00 0.00 15:00:10 ens3 0.86 0.60 0.21 0.15 0.00 0.00 0.00 0.00 15:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:10 lo 17.93 17.93 10.51 10.51 0.00 0.00 0.00 0.00 15:10:10 ens3 0.62 0.49 0.13 0.10 0.00 0.00 0.00 0.00 15:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:10 lo 18.31 18.31 10.15 10.15 0.00 0.00 0.00 0.00 15:20:10 ens3 0.95 0.84 0.25 0.21 0.00 0.00 0.00 0.00 15:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.36 20.36 10.34 10.34 0.00 0.00 0.00 0.00 Average: ens3 13.22 10.62 180.69 1.30 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-3626) 04/16/26 _x86_64_ (4 CPU) 13:37:58 LINUX RESTART (4 CPU) 13:40:10 CPU %user %nice %system %iowait %steal %idle 13:50:10 all 55.03 0.00 2.75 0.51 0.10 41.60 13:50:10 0 53.71 0.00 2.58 0.45 0.10 43.16 13:50:10 1 55.97 0.00 2.79 0.51 0.10 40.62 13:50:10 2 56.35 0.00 2.89 0.51 0.10 40.15 13:50:10 3 54.10 0.00 2.76 0.57 0.10 42.48 14:00:03 all 52.61 0.00 1.98 0.21 0.11 45.09 14:00:03 0 51.78 0.00 1.87 0.09 0.11 46.15 14:00:03 1 53.10 0.00 2.14 0.19 0.11 44.46 14:00:03 2 53.07 0.00 1.92 0.18 0.11 44.72 14:00:03 3 52.50 0.00 1.98 0.37 0.11 45.04 14:10:09 all 24.18 0.00 1.07 0.03 0.09 74.63 14:10:09 0 23.99 0.00 1.04 0.02 0.09 74.86 14:10:09 1 24.56 0.00 1.09 0.08 0.09 74.18 14:10:09 2 23.97 0.00 0.99 0.01 0.09 74.93 14:10:09 3 24.21 0.00 1.15 0.02 0.09 74.53 14:20:09 all 20.13 0.00 0.96 0.04 0.07 78.80 14:20:09 0 19.33 0.00 0.83 0.03 0.07 79.75 14:20:09 1 21.62 0.00 0.90 0.05 0.07 77.36 14:20:09 2 20.67 0.00 1.14 0.05 0.07 78.06 14:20:09 3 18.91 0.00 0.96 0.03 0.07 80.03 14:30:10 all 30.77 0.00 1.09 0.06 0.09 67.99 14:30:10 0 31.22 0.00 0.99 0.04 0.09 67.67 14:30:10 1 30.30 0.00 1.05 0.11 0.09 68.45 14:30:10 2 30.11 0.00 1.23 0.06 0.09 68.50 14:30:10 3 31.46 0.00 1.07 0.02 0.09 67.36 14:40:10 all 10.81 0.00 0.46 0.02 0.06 88.65 14:40:10 0 10.88 0.00 0.49 0.02 0.06 88.55 14:40:10 1 10.77 0.00 0.44 0.03 0.06 88.70 14:40:10 2 10.58 0.00 0.43 0.01 0.06 88.91 14:40:10 3 11.00 0.00 0.48 0.02 0.06 88.45 14:50:10 all 8.55 0.00 0.37 0.02 0.06 91.01 14:50:10 0 8.57 0.00 0.30 0.04 0.06 91.04 14:50:10 1 8.69 0.00 0.41 0.02 0.06 90.83 14:50:10 2 8.36 0.00 0.39 0.01 0.06 91.19 14:50:10 3 8.60 0.00 0.37 0.00 0.05 90.98 15:00:10 all 14.01 0.00 0.64 0.02 0.07 85.25 15:00:10 0 13.72 0.00 0.72 0.01 0.07 85.49 15:00:10 1 14.37 0.00 0.61 0.00 0.07 84.94 15:00:10 2 14.10 0.00 0.58 0.04 0.07 85.21 15:00:10 3 13.87 0.00 0.65 0.03 0.07 85.38 15:10:10 all 9.86 0.00 0.41 0.02 0.08 89.63 15:10:10 0 9.61 0.00 0.40 0.02 0.07 89.90 15:10:10 1 10.22 0.00 0.35 0.01 0.09 89.33 15:10:10 2 9.54 0.00 0.40 0.00 0.07 89.98 15:10:10 3 10.08 0.00 0.49 0.03 0.08 89.32 15:20:10 all 17.43 0.00 0.62 0.03 0.08 81.84 15:20:10 0 16.78 0.00 0.56 0.03 0.07 82.57 15:20:10 1 17.42 0.00 0.60 0.07 0.08 81.83 15:20:10 2 16.91 0.00 0.65 0.01 0.08 82.36 15:20:10 3 18.61 0.00 0.67 0.02 0.08 80.62 Average: all 24.31 0.00 1.03 0.10 0.08 74.48 Average: 0 23.94 0.00 0.98 0.07 0.08 74.93 Average: 1 24.68 0.00 1.04 0.11 0.08 74.10 Average: 2 24.33 0.00 1.06 0.09 0.08 74.44 Average: 3 24.30 0.00 1.06 0.11 0.08 74.45