---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11619 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 9.3G 69G 12% / 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 603 11711 4 3674 15043 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:d1:bd:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83034sec preferred_lft 83034sec inet6 fe80::f816:3eff:fed1:bd53/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:00:d6:4f:03:4f 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11619) 12/08/25 _x86_64_ (4 CPU) 11:14:56 LINUX RESTART (4 CPU) 11:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 17.17 0.38 4.14 12.66 406.23 458.23 248392.09 11:40:01 1.03 0.00 1.03 0.00 0.00 13.21 118.61 11:50:01 0.98 0.00 0.98 0.00 0.00 12.17 0.00 12:00:01 47.28 4.57 42.02 0.69 263.05 3968.15 1961.63 12:10:01 48.76 0.07 40.68 8.01 3.57 1818.66 132728.10 Average: 23.07 1.00 17.80 4.26 134.09 1255.96 76351.45 11:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 13575168 15570768 443256 2.71 59276 2160844 1124464 6.45 327976 2209644 16 11:40:01 13574676 15570808 443332 2.71 59652 2160980 1124532 6.45 328388 2210916 184 11:50:01 13573684 15570140 443956 2.71 59956 2160988 1124532 6.45 328692 2211660 200 12:00:01 10665960 13811504 2150668 13.14 110172 3196244 2550352 14.64 697436 4656632 15484 12:10:01 9583488 13006548 2952672 18.03 150476 3410648 3229316 18.54 783876 5637208 512 Average: 12194595 14705954 1286777 7.86 87906 2617941 1830639 10.51 493274 3385212 3279 11:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 11:30:01 ens3 8.60 3.09 128.66 0.23 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:40:01 ens3 0.42 0.15 0.11 0.07 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:50:01 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 0.46 0.46 0.06 0.06 0.00 0.00 0.00 0.00 12:00:01 ens3 85.06 63.39 716.56 12.17 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 29.57 29.57 6.90 6.90 0.00 0.00 0.00 0.00 12:10:01 ens3 13.28 10.76 12.76 3.21 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.09 6.09 1.40 1.40 0.00 0.00 0.00 0.00 Average: ens3 21.54 15.52 171.73 3.15 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11619) 12/08/25 _x86_64_ (4 CPU) 11:14:56 LINUX RESTART (4 CPU) 11:20:07 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 0.49 0.00 0.12 0.11 0.02 99.25 11:30:01 0 0.17 0.00 0.14 0.06 0.01 99.62 11:30:01 1 0.32 0.00 0.09 0.28 0.02 99.29 11:30:01 2 1.17 0.00 0.12 0.04 0.04 98.62 11:30:01 3 0.31 0.00 0.14 0.08 0.01 99.46 11:40:01 all 0.08 0.00 0.03 0.01 0.02 99.87 11:40:01 0 0.03 0.00 0.03 0.01 0.02 99.92 11:40:01 1 0.04 0.00 0.02 0.03 0.01 99.90 11:40:01 2 0.21 0.00 0.04 0.00 0.04 99.71 11:40:01 3 0.03 0.00 0.03 0.00 0.01 99.93 11:50:01 all 0.24 0.00 0.03 0.01 0.02 99.71 11:50:01 0 0.02 0.00 0.02 0.00 0.01 99.95 11:50:01 1 0.25 0.00 0.02 0.02 0.02 99.69 11:50:01 2 0.66 0.00 0.03 0.00 0.03 99.28 11:50:01 3 0.02 0.00 0.03 0.00 0.02 99.93 12:00:01 all 17.78 0.00 0.87 0.25 0.04 81.06 12:00:01 0 16.41 0.00 0.92 0.40 0.04 82.24 12:00:01 1 17.22 0.00 0.90 0.09 0.04 81.75 12:00:01 2 18.42 0.00 0.95 0.39 0.04 80.20 12:00:01 3 19.09 0.00 0.72 0.10 0.05 80.04 12:10:01 all 29.14 0.00 1.16 0.47 0.08 69.15 12:10:01 0 29.00 0.00 1.04 0.09 0.08 69.79 12:10:01 1 31.30 0.00 1.42 0.78 0.08 66.42 12:10:01 2 28.05 0.00 1.24 0.73 0.08 69.90 12:10:01 3 28.20 0.00 0.95 0.27 0.08 70.50 Average: all 9.55 0.00 0.44 0.17 0.04 89.80 Average: 0 9.14 0.00 0.43 0.11 0.03 90.29 Average: 1 9.83 0.00 0.49 0.24 0.03 89.41 Average: 2 9.70 0.00 0.48 0.23 0.05 89.55 Average: 3 9.54 0.00 0.37 0.09 0.03 89.97