---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47039 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 17G 61G 22% / 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 724 10674 4 4590 14921 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:57:04:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79924sec preferred_lft 79924sec inet6 fe80::f816:3eff:fe57:4dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:04:f6:d8:32:29 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47039) 09/03/26 _x86_64_ (4 CPU) 06:41:28 LINUX RESTART (4 CPU) 06:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:06 74.94 22.01 49.88 3.04 275.66 8424.38 2552.66 07:10:01 14.82 0.15 13.94 0.73 4.88 387.11 385.36 07:20:06 25.66 12.09 12.92 0.64 151.64 647.80 549.97 07:30:06 15.82 0.02 15.13 0.67 0.60 461.77 652.71 07:40:00 6.73 0.00 6.43 0.30 0.43 188.82 139.09 07:50:06 5.05 0.01 4.84 0.20 1.08 138.18 74.83 08:00:06 5.68 0.00 5.48 0.20 0.32 146.84 72.76 08:10:01 10.19 0.01 9.76 0.43 0.38 544.49 232.33 08:20:06 5.14 0.00 4.97 0.17 0.45 145.12 512.23 Average: 18.23 3.82 13.70 0.71 48.53 1231.47 575.00 06:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:06 3324580 6835592 9096124 55.56 257448 3209856 10813376 62.07 1941744 10495712 456 07:10:01 3466620 7000216 8931792 54.55 259664 3230108 9643132 55.35 1977208 10318216 780 07:20:06 7816560 11520272 4414816 26.96 269908 3377600 5240796 30.08 2047228 5912548 248 07:30:06 7727900 11486216 4448808 27.17 272684 3429300 5172396 29.69 2054016 5998052 296 07:40:00 7704336 11486612 4448332 27.17 273788 3452096 5235436 30.05 2056248 6004476 176 07:50:06 6079588 9879428 6054652 36.98 274256 3469160 6711560 38.52 2058132 7634648 364 08:00:06 6126896 9944200 5989824 36.58 274696 3486152 6692592 38.42 2060932 7584104 388 08:10:01 7628660 11564280 4370352 26.69 278436 3595188 5177448 29.72 2068400 6074904 148 08:20:06 7296288 11252524 4681848 28.59 279164 3615008 5395408 30.97 2076972 6397156 284 Average: 6352381 10107704 5826283 35.58 271116 3429385 6675794 38.32 2037876 7379980 349 06:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:06 lo 23.73 23.73 18.66 18.66 0.00 0.00 0.00 0.00 07:00:06 ens3 2.53 2.35 0.76 1.63 0.00 0.00 0.00 0.00 07:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 lo 41.10 41.10 17.79 17.79 0.00 0.00 0.00 0.00 07:10:01 ens3 1.66 1.48 0.38 0.33 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:06 lo 19.72 19.72 8.41 8.41 0.00 0.00 0.00 0.00 07:20:06 ens3 1.06 0.88 0.27 0.22 0.00 0.00 0.00 0.00 07:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:06 lo 17.17 17.17 8.45 8.45 0.00 0.00 0.00 0.00 07:30:06 ens3 0.91 0.92 0.19 0.17 0.00 0.00 0.00 0.00 07:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:00 lo 17.01 17.01 8.70 8.70 0.00 0.00 0.00 0.00 07:40:00 ens3 0.72 0.67 0.17 0.15 0.00 0.00 0.00 0.00 07:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:06 lo 28.17 28.17 11.45 11.45 0.00 0.00 0.00 0.00 07:50:06 ens3 0.75 0.56 0.19 0.14 0.00 0.00 0.00 0.00 07:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:06 lo 19.24 19.24 10.32 10.32 0.00 0.00 0.00 0.00 08:00:06 ens3 0.99 0.74 0.28 0.22 0.00 0.00 0.00 0.00 08:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 16.42 16.42 9.84 9.84 0.00 0.00 0.00 0.00 08:10:01 ens3 0.97 0.83 0.28 0.23 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:06 lo 15.30 15.30 6.37 6.37 0.00 0.00 0.00 0.00 08:20:06 ens3 0.89 0.64 0.23 0.18 0.00 0.00 0.00 0.00 08:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.98 21.98 11.10 11.10 0.00 0.00 0.00 0.00 Average: ens3 1.16 1.01 0.31 0.36 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47039) 09/03/26 _x86_64_ (4 CPU) 06:41:28 LINUX RESTART (4 CPU) 06:50:06 CPU %user %nice %system %iowait %steal %idle 07:00:06 all 56.47 0.00 2.29 0.18 0.03 41.02 07:00:06 0 56.79 0.00 2.32 0.13 0.04 40.73 07:00:06 1 56.14 0.00 2.39 0.16 0.04 41.27 07:00:06 2 56.19 0.00 2.15 0.12 0.03 41.51 07:00:06 3 56.76 0.00 2.32 0.32 0.03 40.56 07:10:01 all 30.23 0.00 1.40 0.09 0.03 68.24 07:10:01 0 30.20 0.00 1.40 0.06 0.03 68.31 07:10:01 1 30.04 0.00 1.41 0.07 0.04 68.44 07:10:01 2 30.41 0.00 1.42 0.07 0.03 68.08 07:10:01 3 30.27 0.00 1.38 0.16 0.03 68.15 07:20:06 all 21.38 0.08 1.07 0.13 0.03 77.32 07:20:06 0 20.89 0.03 1.16 0.14 0.03 77.75 07:20:06 1 21.59 0.12 1.10 0.13 0.03 77.03 07:20:06 2 21.50 0.01 1.04 0.08 0.03 77.34 07:20:06 3 21.53 0.15 0.97 0.17 0.03 77.15 07:30:06 all 24.16 0.00 0.92 0.05 0.03 74.83 07:30:06 0 22.67 0.00 0.86 0.05 0.03 76.40 07:30:06 1 24.62 0.00 1.02 0.09 0.03 74.24 07:30:06 2 25.15 0.00 0.92 0.02 0.03 73.88 07:30:06 3 24.21 0.00 0.89 0.05 0.03 74.81 07:40:00 all 13.75 0.00 0.59 0.03 0.02 85.60 07:40:00 0 13.85 0.00 0.62 0.05 0.03 85.46 07:40:00 1 13.55 0.00 0.65 0.01 0.02 85.77 07:40:00 2 14.23 0.00 0.50 0.03 0.03 85.22 07:40:00 3 13.37 0.00 0.61 0.04 0.02 85.96 07:50:06 all 10.38 0.00 0.64 0.02 0.02 88.94 07:50:06 0 10.24 0.00 0.67 0.02 0.02 89.06 07:50:06 1 10.44 0.00 0.65 0.02 0.02 88.87 07:50:06 2 10.07 0.00 0.65 0.03 0.02 89.23 07:50:06 3 10.78 0.00 0.59 0.01 0.02 88.59 08:00:06 all 9.93 0.00 0.54 0.03 0.02 89.49 08:00:06 0 10.16 0.00 0.55 0.03 0.03 89.24 08:00:06 1 9.81 0.00 0.52 0.04 0.02 89.61 08:00:06 2 9.41 0.00 0.57 0.01 0.02 89.99 08:00:06 3 10.33 0.00 0.51 0.02 0.03 89.11 08:10:01 all 12.90 0.00 0.62 0.05 0.02 86.40 08:10:01 0 12.78 0.00 0.68 0.04 0.03 86.48 08:10:01 1 12.45 0.00 0.57 0.02 0.02 86.94 08:10:01 2 12.71 0.00 0.56 0.03 0.03 86.68 08:10:01 3 13.66 0.00 0.68 0.12 0.02 85.52 08:20:06 all 7.38 0.00 0.36 0.03 0.02 92.20 08:20:06 0 7.06 0.00 0.35 0.02 0.02 92.55 08:20:06 1 7.61 0.00 0.42 0.01 0.02 91.94 08:20:06 2 7.14 0.00 0.34 0.03 0.02 92.46 08:20:06 3 7.72 0.00 0.35 0.05 0.02 91.87 Average: all 20.72 0.01 0.94 0.07 0.03 78.24 Average: 0 20.51 0.00 0.96 0.06 0.03 78.45 Average: 1 20.69 0.01 0.97 0.06 0.03 78.24 Average: 2 20.75 0.00 0.91 0.05 0.03 78.27 Average: 3 20.95 0.02 0.92 0.11 0.03 77.98