---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-112099 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 639 8824 4 6524 15006 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:76:b7:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84356sec preferred_lft 84356sec inet6 fe80::f816:3eff:fe76:b717/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:a0:f8:96:dc:fc 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-112099) 03/06/26 _x86_64_ (4 CPU) 08:38:02 LINUX RESTART (4 CPU) 08:40:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:01 64.05 5.40 55.64 3.01 299.97 6070.07 4044.04 09:00:03 26.66 0.02 23.84 2.80 0.21 2298.48 15284.90 09:10:33 14.67 0.04 13.33 1.30 0.72 3650.78 8639.32 Average: 34.27 1.72 30.20 2.34 95.02 3962.24 9411.15 08:40:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 10250912 13544516 2415788 14.75 129736 3303844 2599468 14.92 624792 5133896 17472 09:00:03 9402028 13120980 2835600 17.32 155556 3667116 2950980 16.94 757920 5795328 22840 09:10:33 7828616 13000980 2950620 18.02 168024 5054976 3030772 17.40 1187152 6868480 556672 Average: 9160519 13222159 2734003 16.70 151105 4008645 2860407 16.42 856621 5932568 198995 08:40:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 lo 1423.29 1423.29 1350.34 1350.34 0.00 0.00 0.00 0.00 08:50:01 ens3 140.85 105.18 1246.63 19.47 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:03 lo 1184.11 1184.11 1127.80 1127.80 0.00 0.00 0.00 0.00 09:00:03 ens3 25.60 22.99 39.11 6.87 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:33 lo 2817.82 2817.82 9309.20 9309.20 0.00 0.00 0.00 0.00 09:10:33 ens3 20.10 16.56 84.78 4.83 0.00 0.00 0.00 0.00 09:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1831.26 1831.26 4060.77 4060.77 0.00 0.00 0.00 0.00 Average: ens3 60.06 46.68 436.27 10.14 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-112099) 03/06/26 _x86_64_ (4 CPU) 08:38:02 LINUX RESTART (4 CPU) 08:40:33 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 56.49 0.00 2.36 0.31 0.08 40.76 08:50:01 0 58.31 0.00 2.45 0.49 0.08 38.67 08:50:01 1 57.05 0.00 2.08 0.11 0.08 40.67 08:50:01 2 54.30 0.00 2.68 0.54 0.08 42.40 08:50:01 3 56.29 0.00 2.25 0.10 0.07 41.29 09:00:03 all 66.42 0.00 2.30 0.06 0.08 31.14 09:00:03 0 66.91 0.00 2.12 0.04 0.08 30.84 09:00:03 1 67.18 0.00 2.47 0.05 0.08 30.22 09:00:03 2 65.51 0.00 2.37 0.10 0.09 31.93 09:00:03 3 66.07 0.00 2.22 0.04 0.08 31.58 09:10:33 all 46.63 0.00 1.77 0.07 0.09 51.46 09:10:33 0 45.85 0.00 1.94 0.13 0.09 51.99 09:10:33 1 43.69 0.00 1.94 0.04 0.08 54.24 09:10:33 2 54.38 0.00 1.41 0.09 0.08 44.03 09:10:33 3 42.58 0.00 1.76 0.02 0.09 55.56 Average: all 56.36 0.00 2.13 0.14 0.08 41.29 Average: 0 56.82 0.00 2.16 0.21 0.08 40.72 Average: 1 55.77 0.00 2.16 0.07 0.08 41.92 Average: 2 58.08 0.00 2.13 0.24 0.08 39.47 Average: 3 54.76 0.00 2.07 0.05 0.08 43.03