---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16768 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: 5600.00 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 618 8845 4 6525 15028 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:1b:80:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84380sec preferred_lft 84380sec inet6 fe80::f816:3eff:fe1b:80ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:d9:90:2d:d8:47 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-16768) 12/27/25 _x86_64_ (4 CPU) 10:39:25 LINUX RESTART (4 CPU) 10:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:15 30.00 4.42 23.80 1.78 801.16 4360.81 7388.84 11:00:15 28.44 0.08 25.15 3.21 6.78 2468.54 15316.81 11:10:15 47.47 0.15 30.31 17.01 7.24 9564.57 250999.90 Average: 35.30 1.55 26.42 7.33 271.80 5463.56 91192.55 10:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:15 10317776 13594112 2368936 14.47 119036 3321028 2736024 15.70 742588 4974416 72596 11:00:15 8780624 12682448 3274816 20.00 142460 3874968 3430792 19.69 928232 6258364 203492 11:10:15 9058528 15379076 569500 3.48 169992 6178740 1099368 6.31 1768760 5028652 128 Average: 9385643 13885212 2071084 12.65 143829 4458245 2422061 13.90 1146527 5420477 92072 10:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:15 lo 406.47 406.47 387.08 387.08 0.00 0.00 0.00 0.00 10:50:15 ens3 92.28 72.57 1113.07 12.72 0.00 0.00 0.00 0.00 10:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:15 lo 1590.36 1590.36 1508.11 1508.11 0.00 0.00 0.00 0.00 11:00:15 ens3 40.09 33.55 23.05 11.62 0.00 0.00 0.00 0.00 11:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:15 lo 909.95 909.95 861.31 861.31 0.00 0.00 0.00 0.00 11:10:15 ens3 91.79 79.32 164.80 409.62 0.00 0.00 0.00 0.00 11:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 968.94 968.94 918.84 918.84 0.00 0.00 0.00 0.00 Average: ens3 74.71 61.81 433.72 144.58 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-16768) 12/27/25 _x86_64_ (4 CPU) 10:39:25 LINUX RESTART (4 CPU) 10:40:14 CPU %user %nice %system %iowait %steal %idle 10:50:15 all 21.15 0.00 1.11 0.28 0.05 77.41 10:50:15 0 21.08 0.00 0.86 0.18 0.04 77.84 10:50:15 1 19.91 0.00 0.81 0.49 0.05 78.73 10:50:15 2 24.36 0.00 1.61 0.20 0.05 73.77 10:50:15 3 19.26 0.00 1.15 0.24 0.05 79.31 11:00:15 all 62.97 0.00 2.41 0.09 0.09 34.44 11:00:15 0 61.90 0.00 2.30 0.12 0.09 35.59 11:00:15 1 63.23 0.00 2.18 0.07 0.09 34.43 11:00:15 2 63.15 0.00 2.38 0.08 0.10 34.28 11:00:15 3 63.59 0.00 2.78 0.08 0.09 33.46 11:10:15 all 54.56 0.00 2.28 0.32 0.09 42.77 11:10:15 0 52.22 0.00 2.27 0.63 0.09 44.79 11:10:15 1 60.47 0.00 2.55 0.29 0.09 36.61 11:10:15 2 52.07 0.00 1.95 0.10 0.08 45.80 11:10:15 3 53.46 0.00 2.34 0.25 0.09 43.86 Average: all 46.21 0.00 1.93 0.23 0.08 51.56 Average: 0 45.05 0.00 1.81 0.31 0.07 52.76 Average: 1 47.87 0.00 1.84 0.28 0.08 49.93 Average: 2 46.51 0.00 1.98 0.13 0.08 51.30 Average: 3 45.41 0.00 2.09 0.19 0.08 52.23