---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2601 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 662 8703 4 6623 14984 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:3e:8b:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84224sec preferred_lft 84224sec inet6 fe80::f816:3eff:fe3e:8b2a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:da:b2:34:76:18 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2601) 01/21/26 _x86_64_ (4 CPU) 09:07:09 LINUX RESTART (4 CPU) 09:10:45 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:05 51.11 3.76 29.44 17.91 826.12 4691.75 295245.78 09:30:28 23.12 0.01 20.58 2.53 0.21 1943.72 8886.59 09:40:33 25.31 0.13 22.71 2.46 6.46 8799.30 28894.86 Average: 32.63 1.23 24.07 7.33 261.13 5122.53 105386.00 09:10:45 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:05 9571568 13186076 2772740 16.93 135788 3613436 2763748 15.86 855652 5547148 19096 09:30:28 8790388 12774392 3181252 19.43 153436 3933688 3162212 18.15 949896 6213688 18816 09:40:33 8930512 15352720 594628 3.63 175228 6267168 1107636 6.36 1791008 5122676 44 Average: 9097489 13771063 2182873 13.33 154817 4604764 2344532 13.46 1198852 5627837 12652 09:10:45 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:05 lo 1536.01 1536.01 1456.19 1456.19 0.00 0.00 0.00 0.00 09:20:05 ens3 125.25 89.14 1076.53 20.32 0.00 0.00 0.00 0.00 09:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:28 lo 1050.95 1050.95 1000.73 1000.73 0.00 0.00 0.00 0.00 09:30:28 ens3 35.82 27.79 22.03 10.11 0.00 0.00 0.00 0.00 09:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:33 lo 564.12 564.12 4923.85 4923.85 0.00 0.00 0.00 0.00 09:40:33 ens3 60.88 57.86 126.47 414.30 0.00 0.00 0.00 0.00 09:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1038.37 1038.37 2469.75 2469.75 0.00 0.00 0.00 0.00 Average: ens3 72.32 57.18 387.78 149.96 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2601) 01/21/26 _x86_64_ (4 CPU) 09:07:09 LINUX RESTART (4 CPU) 09:10:45 CPU %user %nice %system %iowait %steal %idle 09:20:05 all 63.49 0.00 2.76 0.82 0.13 32.79 09:20:05 0 62.25 0.00 2.64 0.81 0.13 34.17 09:20:05 1 62.73 0.00 2.71 0.71 0.13 33.72 09:20:05 2 64.31 0.00 3.05 0.71 0.14 31.79 09:20:05 3 64.67 0.00 2.65 1.04 0.14 31.50 09:30:28 all 59.75 0.00 2.37 3.79 0.17 33.93 09:30:28 0 59.82 0.00 2.69 3.32 0.17 34.01 09:30:28 1 60.71 0.00 2.44 3.42 0.16 33.27 09:30:28 2 60.89 0.00 2.26 3.24 0.18 33.43 09:30:28 3 57.58 0.00 2.09 5.16 0.17 34.99 09:40:33 all 41.71 0.00 1.73 1.20 0.12 55.24 09:40:33 0 41.30 0.00 1.73 0.58 0.12 56.27 09:40:33 1 44.24 0.00 2.00 0.93 0.13 52.69 09:40:33 2 40.66 0.00 1.60 1.75 0.11 55.89 09:40:33 3 40.65 0.00 1.59 1.53 0.13 56.10 Average: all 54.80 0.00 2.28 1.98 0.14 40.80 Average: 0 54.30 0.00 2.35 1.60 0.14 41.61 Average: 1 55.75 0.00 2.38 1.72 0.14 40.01 Average: 2 55.10 0.00 2.28 1.94 0.14 40.54 Average: 3 54.07 0.00 2.10 2.64 0.15 41.05