---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31390 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 67G 14% / 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 613 10241 4 5134 15033 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:a8:2d:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83923sec preferred_lft 83923sec inet6 fe80::f816:3eff:fea8:2de7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:2f:95:7d:9d:66 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-31390) 06/28/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:04 23.80 0.42 20.54 2.84 19.17 2290.17 7091.27 19:30:01 34.11 0.01 30.55 3.55 0.21 2659.02 16100.04 19:40:04 6.19 0.05 5.19 0.95 3.42 2684.55 2418.06 Average: 21.32 0.16 18.72 2.44 7.61 2544.62 8514.11 19:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:04 9240116 13046976 2909852 17.77 144036 3769992 3105656 17.83 766328 5967032 32080 19:30:01 8755644 13021428 2932404 17.91 165756 4176464 3298348 18.93 892896 6288680 57132 19:40:04 10547440 15443484 509200 3.11 168860 4784716 1042792 5.99 1092768 4264816 26576 Average: 9514400 13837296 2117152 12.93 159551 4243724 2482265 14.25 917331 5506843 38596 19:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:04 lo 1482.02 1482.02 1406.40 1406.40 0.00 0.00 0.00 0.00 19:20:04 ens3 59.75 45.15 74.16 13.61 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1407.16 1407.16 1339.78 1339.78 0.00 0.00 0.00 0.00 19:30:01 ens3 45.43 35.32 30.83 12.13 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:04 lo 365.69 365.69 6863.21 6863.21 0.00 0.00 0.00 0.00 19:40:04 ens3 7.34 5.78 3.33 2.49 0.00 0.00 0.00 0.00 19:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1083.25 1083.25 3212.15 3212.15 0.00 0.00 0.00 0.00 Average: ens3 37.44 28.70 36.06 9.39 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-31390) 06/28/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:04 CPU %user %nice %system %iowait %steal %idle 19:20:04 all 66.44 0.00 2.35 0.05 0.10 31.05 19:20:04 0 67.50 0.00 2.40 0.08 0.10 29.93 19:20:04 1 63.82 0.00 2.28 0.05 0.10 33.75 19:20:04 2 66.95 0.00 2.33 0.04 0.10 30.59 19:20:04 3 67.50 0.00 2.40 0.05 0.10 29.96 19:30:01 all 64.68 0.00 2.67 0.08 0.10 32.47 19:30:01 0 65.18 0.00 2.68 0.06 0.10 31.98 19:30:01 1 65.16 0.00 2.69 0.03 0.10 32.03 19:30:01 2 65.06 0.00 3.08 0.18 0.10 31.58 19:30:01 3 63.33 0.00 2.25 0.05 0.09 34.28 19:40:04 all 25.83 0.00 0.83 0.06 0.07 73.22 19:40:04 0 25.25 0.00 0.72 0.00 0.06 73.96 19:40:04 1 30.61 0.00 0.91 0.05 0.07 68.35 19:40:04 2 23.16 0.00 0.66 0.04 0.07 76.06 19:40:04 3 24.29 0.00 1.02 0.12 0.07 74.49 Average: all 52.21 0.00 1.95 0.06 0.09 45.69 Average: 0 52.54 0.00 1.93 0.05 0.09 45.40 Average: 1 53.11 0.00 1.96 0.04 0.09 44.80 Average: 2 51.59 0.00 2.02 0.09 0.09 46.22 Average: 3 51.60 0.00 1.89 0.07 0.09 46.35