---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18615 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 67G 15% / 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 755 9243 4 5990 14891 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:d6:b6:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84136sec preferred_lft 84136sec inet6 fe80::f816:3eff:fed6:b6aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:10:10:89:16:c1 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-18615) 01/05/26 _x86_64_ (4 CPU) 20:25:08 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 32.65 13.08 17.83 1.74 765.37 4865.39 9231.53 20:50:09 57.80 0.00 46.75 11.04 0.03 3146.58 34742.93 21:00:09 27.96 0.14 23.47 4.36 6.53 4771.96 10104.95 Average: 39.58 4.35 29.47 5.75 254.03 4253.95 18135.74 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 8898992 13260048 2692628 16.45 183280 4224648 2983260 17.12 973868 6032744 230644 20:50:09 8249956 12951524 2997044 18.30 210908 4504408 3200132 18.37 1072544 6545588 97800 21:00:09 9595540 15363092 580584 3.55 244280 5480476 1118464 6.42 1446088 4750800 128 Average: 8914829 13858221 2090085 12.77 212823 4736511 2433952 13.97 1164167 5776377 109524 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 254.94 254.94 241.65 241.65 0.00 0.00 0.00 0.00 20:40:01 ens3 95.24 72.48 494.78 19.60 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5762.53 5762.53 5492.62 5492.62 0.00 0.00 0.00 0.00 20:50:09 ens3 83.58 62.26 28.10 21.25 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 1844.21 1844.21 1741.30 1741.30 0.00 0.00 0.00 0.00 21:00:09 ens3 115.72 109.63 142.63 171.77 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2644.15 2644.15 2514.35 2514.35 0.00 0.00 0.00 0.00 Average: ens3 98.13 81.41 219.84 70.88 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-18615) 01/05/26 _x86_64_ (4 CPU) 20:25:08 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 68.72 0.07 2.60 0.14 0.11 28.35 20:40:01 0 67.77 0.08 2.41 0.13 0.11 29.51 20:40:01 1 69.40 0.15 2.71 0.12 0.12 27.50 20:40:01 2 67.39 0.00 2.38 0.06 0.11 30.05 20:40:01 3 70.33 0.03 2.91 0.26 0.12 26.35 20:50:09 all 61.73 0.00 4.11 0.13 0.10 33.93 20:50:09 0 59.93 0.00 3.74 0.10 0.10 36.13 20:50:09 1 61.30 0.00 4.15 0.16 0.10 34.28 20:50:09 2 63.01 0.00 4.46 0.08 0.10 32.34 20:50:09 3 62.68 0.00 4.09 0.19 0.10 32.95 21:00:09 all 47.13 0.00 2.41 0.19 0.08 50.18 21:00:09 0 48.60 0.00 2.35 0.14 0.08 48.83 21:00:09 1 45.90 0.00 2.50 0.39 0.09 51.13 21:00:09 2 47.95 0.00 2.68 0.19 0.08 49.10 21:00:09 3 46.08 0.00 2.13 0.05 0.08 51.65 Average: all 59.16 0.02 3.05 0.16 0.10 37.51 Average: 0 58.73 0.03 2.84 0.12 0.10 38.19 Average: 1 58.83 0.05 3.13 0.22 0.10 37.67 Average: 2 59.43 0.00 3.18 0.11 0.10 37.18 Average: 3 59.66 0.01 3.05 0.17 0.10 37.02