---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14602 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 645 9068 4 6274 15001 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:54:52:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82491sec preferred_lft 82491sec inet6 fe80::f816:3eff:fe54:52d7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:3d:7e:ab:41:fa 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-14602) 12/17/25 _x86_64_ (4 CPU) 15:01:35 LINUX RESTART (4 CPU) 15:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:13 1.59 0.01 1.58 0.00 0.05 18.44 0.15 15:30:01 1.42 0.00 1.42 0.00 0.00 16.33 0.00 15:40:04 47.19 5.08 40.01 2.10 286.93 5053.78 4123.35 15:50:13 40.96 0.02 24.67 16.27 0.45 2258.40 253170.10 16:00:01 22.67 0.03 20.52 2.13 0.49 4259.59 39153.52 Average: 22.93 1.03 17.73 4.16 58.05 2325.13 60139.60 15:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:13 13814096 15530132 488724 2.98 54164 1888900 1129516 6.48 192944 2109448 40 15:30:01 13813456 15530088 488748 2.99 54724 1888912 1129516 6.48 193528 2110268 204 15:40:04 10486216 13594300 2367924 14.46 120632 3141196 2498548 14.34 587812 4946552 18456 15:50:13 9347008 12882936 3074644 18.78 144568 3508204 3052856 17.52 724632 5914364 26868 16:00:01 7648364 12644920 3307284 20.20 162024 4891204 3244548 18.62 1128012 7113152 469720 Average: 11021828 14036475 1945465 11.88 107222 3063683 2210997 12.69 565386 4438757 103058 15:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:20:13 ens3 0.20 0.09 0.04 0.02 0.00 0.00 0.00 0.00 15:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:30:01 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:04 lo 751.74 751.74 714.81 714.81 0.00 0.00 0.00 0.00 15:40:04 ens3 152.64 108.80 1100.71 22.02 0.00 0.00 0.00 0.00 15:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:13 lo 1460.54 1460.54 1386.38 1386.38 0.00 0.00 0.00 0.00 15:50:13 ens3 41.40 32.61 16.36 11.26 0.00 0.00 0.00 0.00 15:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 780.92 780.92 5250.96 5250.96 0.00 0.00 0.00 0.00 16:00:01 ens3 37.06 30.54 115.57 9.94 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 603.08 603.08 1460.93 1460.93 0.00 0.00 0.00 0.00 Average: ens3 46.59 34.63 248.05 8.70 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-14602) 12/17/25 _x86_64_ (4 CPU) 15:01:35 LINUX RESTART (4 CPU) 15:10:13 CPU %user %nice %system %iowait %steal %idle 15:20:13 all 0.02 0.00 0.02 0.58 0.02 99.36 15:20:13 0 0.02 0.00 0.02 0.05 0.01 99.90 15:20:13 1 0.03 0.00 0.03 0.02 0.02 99.91 15:20:13 2 0.03 0.00 0.03 0.04 0.02 99.88 15:20:13 3 0.01 0.00 0.02 2.22 0.02 97.73 15:30:01 all 0.08 0.00 0.02 0.31 0.02 99.56 15:30:01 0 0.01 0.00 0.02 0.01 0.02 99.95 15:30:01 1 0.03 0.00 0.03 0.00 0.02 99.92 15:30:01 2 0.02 0.00 0.03 0.04 0.01 99.90 15:30:01 3 0.28 0.00 0.02 1.20 0.02 98.48 15:40:04 all 35.87 0.00 1.61 1.85 0.07 60.60 15:40:04 0 35.73 0.00 1.62 0.96 0.07 61.62 15:40:04 1 32.42 0.00 1.51 3.61 0.07 62.38 15:40:04 2 35.13 0.00 1.54 0.87 0.07 62.39 15:40:04 3 40.21 0.00 1.77 1.95 0.07 56.00 15:50:13 all 66.30 0.00 2.48 0.13 0.10 30.99 15:50:13 0 66.40 0.00 2.53 0.08 0.10 30.88 15:50:13 1 66.14 0.00 2.44 0.16 0.11 31.16 15:50:13 2 66.39 0.00 2.59 0.10 0.10 30.82 15:50:13 3 66.27 0.00 2.35 0.16 0.10 31.11 16:00:01 all 50.59 0.00 1.88 1.16 0.10 46.27 16:00:01 0 48.87 0.00 1.93 2.93 0.09 46.18 16:00:01 1 51.31 0.00 1.86 0.33 0.09 46.41 16:00:01 2 50.44 0.00 1.84 0.63 0.10 46.98 16:00:01 3 51.76 0.00 1.91 0.73 0.10 45.51 Average: all 30.69 0.00 1.21 0.80 0.06 67.23 Average: 0 30.33 0.00 1.23 0.80 0.06 67.58 Average: 1 30.09 0.00 1.18 0.83 0.06 67.84 Average: 2 30.51 0.00 1.21 0.34 0.06 67.88 Average: 3 31.84 0.00 1.22 1.25 0.06 65.63