---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3852 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 765 19387 4 11939 30859 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:5f:b3:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.43/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84150sec preferred_lft 84150sec inet6 fe80::f816:3eff:fe5f:b3d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:7c:bf:c6:81:5d 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3852) 03/21/26 _x86_64_ (8 CPU) 21:32:19 LINUX RESTART (8 CPU) 21:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:03 12.57 0.26 11.30 1.01 3.99 2331.61 285.36 22:00:03 21.07 2.72 15.91 2.44 195.49 8870.08 21644.11 Average: 16.82 1.49 13.61 1.73 99.74 5600.85 10964.73 21:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:03 18180728 26868824 5377756 16.36 471128 7767132 8451824 24.92 1509104 11976312 560 22:00:03 19088916 30399504 1839624 5.60 483560 10291692 2307240 6.80 1806604 10669432 52124 Average: 18634822 28634164 3608690 10.98 477344 9029412 5379532 15.86 1657854 11322872 26342 21:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:03 lo 7.04 7.04 1.91 1.91 0.00 0.00 0.00 0.00 21:50:03 ens3 152.69 92.23 154.31 44.11 0.00 0.00 0.00 0.00 21:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:03 lo 1.09 1.09 0.13 0.13 0.00 0.00 0.00 0.00 22:00:03 ens3 159.64 97.15 798.32 35.67 0.00 0.00 0.00 0.00 22:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.07 4.07 1.02 1.02 0.00 0.00 0.00 0.00 Average: ens3 156.17 94.69 476.31 39.89 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-8c-8g-3852) 03/21/26 _x86_64_ (8 CPU) 21:32:19 LINUX RESTART (8 CPU) 21:40:03 CPU %user %nice %system %iowait %steal %idle 21:50:03 all 89.80 0.00 2.73 0.01 0.13 7.33 21:50:03 0 90.02 0.00 2.59 0.00 0.12 7.26 21:50:03 1 89.61 0.00 2.69 0.00 0.13 7.56 21:50:03 2 89.37 0.00 2.67 0.00 0.13 7.84 21:50:03 3 88.82 0.00 2.88 0.03 0.13 8.14 21:50:03 4 90.95 0.00 2.77 0.02 0.13 6.13 21:50:03 5 92.81 0.00 2.62 0.00 0.13 4.44 21:50:03 6 87.77 0.00 2.72 0.00 0.13 9.38 21:50:03 7 89.06 0.00 2.92 0.00 0.13 7.89 22:00:03 all 88.41 0.00 2.81 0.06 0.11 8.61 22:00:03 0 87.00 0.00 3.00 0.13 0.11 9.76 22:00:03 1 88.36 0.00 2.86 0.00 0.11 8.67 22:00:03 2 90.19 0.00 2.83 0.03 0.12 6.84 22:00:03 3 89.95 0.00 2.70 0.02 0.11 7.22 22:00:03 4 87.92 0.00 2.80 0.07 0.11 9.10 22:00:03 5 88.46 0.00 2.87 0.02 0.11 8.54 22:00:03 6 87.88 0.00 2.61 0.10 0.11 9.30 22:00:03 7 87.51 0.00 2.83 0.09 0.11 9.46 Average: all 89.11 0.00 2.77 0.03 0.12 7.97 Average: 0 88.51 0.00 2.80 0.06 0.12 8.51 Average: 1 88.99 0.00 2.77 0.00 0.12 8.12 Average: 2 89.78 0.00 2.75 0.02 0.12 7.34 Average: 3 89.39 0.00 2.79 0.03 0.12 7.68 Average: 4 89.44 0.00 2.78 0.04 0.12 7.62 Average: 5 90.63 0.00 2.75 0.01 0.12 6.49 Average: 6 87.83 0.00 2.66 0.05 0.12 9.34 Average: 7 88.29 0.00 2.87 0.04 0.12 8.68