---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12561 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 12G 66G 16% / 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 614 8718 4 6656 15032 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:0e:f5:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84314sec preferred_lft 84314sec inet6 fe80::f816:3eff:fe0e:f586/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:28:e0:2f:8c:ca 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::1028:e0ff:fe2f:8cca/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12561) 12/11/25 _x86_64_ (4 CPU) 09:27:46 LINUX RESTART (4 CPU) 09:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:01 73.26 1.27 49.89 22.10 650.34 4569.09 373852.19 09:50:19 21.67 0.16 18.61 2.90 4.86 1606.87 24487.61 10:00:07 49.38 2.12 44.37 2.89 334.86 9143.96 9567.10 Average: 47.61 1.16 37.28 9.16 323.91 5049.26 133604.00 09:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:01 9662192 13232444 2726420 16.65 150688 3554944 3298696 18.93 854680 5481964 32412 09:50:19 9147428 13101448 2854168 17.43 168776 3893952 3039956 17.45 968896 5855208 63756 10:00:07 8883376 15341428 601452 3.67 207096 6239104 1165408 6.69 1867948 5052224 14404 Average: 9230999 13891773 2060680 12.59 175520 4562667 2501353 14.36 1230508 5463132 36857 09:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:01 lo 19.31 19.31 4.22 4.22 0.00 0.00 0.00 0.00 09:40:01 ens3 49.15 34.64 402.47 7.21 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:19 lo 1180.58 1180.58 1094.30 1094.30 0.00 0.00 0.00 0.00 09:50:19 ens3 29.09 21.54 237.97 3.84 0.00 0.00 0.00 0.00 09:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:07 lo 1031.46 1031.46 1008.44 1008.44 0.00 0.00 0.00 0.00 10:00:07 ens3 102.13 95.58 582.75 696.19 0.00 0.00 0.00 0.00 10:00:07 docker0 48.36 45.05 604.02 68.24 0.00 0.00 0.00 0.00 Average: lo 752.61 752.61 710.35 710.35 0.00 0.00 0.00 0.00 Average: ens3 59.63 50.14 404.90 232.35 0.00 0.00 0.00 0.00 Average: docker0 15.89 14.80 198.40 22.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12561) 12/11/25 _x86_64_ (4 CPU) 09:27:46 LINUX RESTART (4 CPU) 09:30:17 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 38.34 0.00 1.52 0.64 0.09 59.40 09:40:01 0 39.35 0.00 1.42 0.29 0.09 58.84 09:40:01 1 38.26 0.00 1.66 0.42 0.09 59.58 09:40:01 2 36.77 0.00 1.74 1.63 0.09 59.77 09:40:01 3 38.98 0.00 1.28 0.23 0.09 59.42 09:50:19 all 25.56 0.00 1.43 0.29 0.09 72.64 09:50:19 0 25.00 0.00 1.50 0.42 0.09 72.98 09:50:19 1 25.53 0.00 1.53 0.57 0.09 72.28 09:50:19 2 25.75 0.00 1.30 0.04 0.08 72.82 09:50:19 3 25.94 0.00 1.40 0.12 0.09 72.46 10:00:07 all 38.65 0.00 2.46 0.34 0.08 58.47 10:00:07 0 37.28 0.00 2.26 0.31 0.08 60.07 10:00:07 1 34.33 0.00 2.12 0.49 0.08 62.98 10:00:07 2 41.98 0.00 2.68 0.34 0.08 54.92 10:00:07 3 40.99 0.00 2.80 0.21 0.08 55.92 Average: all 34.03 0.00 1.80 0.42 0.09 63.66 Average: 0 33.72 0.00 1.72 0.34 0.09 64.13 Average: 1 32.58 0.00 1.77 0.50 0.08 65.08 Average: 2 34.68 0.00 1.90 0.66 0.09 62.68 Average: 3 35.15 0.00 1.82 0.18 0.09 62.77