---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7038 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13G 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 650 8797 4 6541 14995 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:14:e5:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84170sec preferred_lft 84170sec inet6 fe80::f816:3eff:fe14:e511/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:5c:90:f8:ab:9b 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7038) 09/11/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:24 41.59 0.03 24.66 16.90 0.95 2252.40 244307.51 05:50:35 21.08 0.03 19.08 1.97 0.80 3848.78 28555.76 06:00:12 13.20 0.19 11.45 1.56 13.57 6105.68 24732.95 Average: 25.42 0.08 18.49 6.85 4.97 4040.81 99727.42 05:30:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:24 9002984 12882984 3072288 18.76 148720 3831236 3212948 18.44 742812 6208008 27348 05:50:35 5395736 10204556 5746752 35.10 160152 4710004 5496616 31.55 1006088 9491544 18236 06:00:12 9095084 15437408 509160 3.11 177804 6175656 1051332 6.03 1603100 5148164 10532 Average: 7831268 12841649 3109400 18.99 162225 4905632 3253632 18.68 1117333 6949239 18705 05:30:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:24 lo 1671.83 1671.83 1588.54 1588.54 0.00 0.00 0.00 0.00 05:40:24 ens3 47.41 31.54 18.27 12.29 0.00 0.00 0.00 0.00 05:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:35 lo 1071.65 1071.65 7272.92 7272.92 0.00 0.00 0.00 0.00 05:50:35 ens3 28.53 21.75 33.86 7.83 0.00 0.00 0.00 0.00 05:50:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:12 lo 28.81 28.81 153.14 153.14 0.00 0.00 0.00 0.00 06:00:12 ens3 89.88 99.54 129.01 1060.74 0.00 0.00 0.00 0.00 06:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 936.79 936.79 3069.46 3069.46 0.00 0.00 0.00 0.00 Average: ens3 54.65 50.12 59.31 348.85 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7038) 09/11/26 _x86_64_ (4 CPU) 05:23:19 LINUX RESTART (4 CPU) 05:30:24 CPU %user %nice %system %iowait %steal %idle 05:40:24 all 63.82 0.00 2.68 0.10 0.02 33.39 05:40:24 0 64.37 0.00 2.67 0.06 0.02 32.88 05:40:24 1 63.79 0.00 3.03 0.14 0.02 33.03 05:40:24 2 63.97 0.00 2.69 0.14 0.02 33.18 05:40:24 3 63.14 0.00 2.32 0.06 0.02 34.47 05:50:35 all 49.17 0.00 2.04 0.11 0.02 48.67 05:50:35 0 48.70 0.00 2.40 0.17 0.01 48.71 05:50:35 1 52.08 0.00 1.87 0.04 0.02 45.99 05:50:35 2 43.50 0.00 1.97 0.14 0.01 54.38 05:50:35 3 52.38 0.00 1.92 0.09 0.02 45.58 06:00:12 all 11.13 0.00 0.62 0.16 0.01 88.08 06:00:12 0 8.62 0.00 0.78 0.34 0.01 90.26 06:00:12 1 11.27 0.00 0.49 0.04 0.01 88.19 06:00:12 2 9.43 0.00 0.54 0.03 0.01 89.99 06:00:12 3 15.25 0.00 0.67 0.21 0.01 83.86 Average: all 41.79 0.00 1.79 0.12 0.02 56.27 Average: 0 40.93 0.00 1.96 0.19 0.02 56.90 Average: 1 42.85 0.00 1.81 0.07 0.02 55.25 Average: 2 39.39 0.00 1.75 0.11 0.01 58.75 Average: 3 44.02 0.00 1.65 0.12 0.02 54.20