---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3134 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 65G 17% / 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 713 7913 4 7362 14932 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:8b:76:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82985sec preferred_lft 82985sec inet6 fe80::f816:3eff:fe8b:766f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:0d:2d:51:5f:33 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-3134) 09/08/26 _x86_64_ (4 CPU) 07:57:10 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:05 38.21 3.92 19.30 14.99 214.44 4735.05 247393.19 08:20:01 19.61 0.08 17.31 2.23 6.52 2000.08 6560.31 08:30:01 30.71 0.02 27.51 3.18 0.53 2362.66 16013.96 08:40:05 9.14 0.02 8.72 0.39 0.46 6870.32 51392.56 08:50:02 6.65 0.16 5.34 1.15 10.35 2836.69 5182.84 Average: 20.89 0.84 15.64 4.41 46.72 3768.71 65663.41 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:05 10051740 13655204 2303360 14.07 136848 3600972 2446424 14.04 609552 5335068 16376 08:20:01 8798752 12841300 3112528 19.01 159112 3977052 3065900 17.60 758284 6367688 23272 08:30:01 8249220 12743892 3207312 19.59 175712 4385404 3141248 18.03 871172 6800652 83040 08:40:05 6001648 12684188 3259408 19.91 190784 6485848 3184976 18.28 1699228 8134420 303980 08:50:02 8125888 15304284 638224 3.90 192792 6965824 1153704 6.62 1813728 5845648 260 Average: 8245450 13445774 2504166 15.29 171050 5083020 2598450 14.92 1150393 6496695 85386 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:05 lo 828.76 828.76 790.22 790.22 0.00 0.00 0.00 0.00 08:10:05 ens3 182.94 142.43 1403.90 22.24 0.00 0.00 0.00 0.00 08:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 1163.33 1163.33 1102.08 1102.08 0.00 0.00 0.00 0.00 08:20:01 ens3 24.21 22.74 43.03 10.48 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 1727.60 1727.60 1647.04 1647.04 0.00 0.00 0.00 0.00 08:30:01 ens3 23.06 20.86 27.17 10.89 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:05 lo 2519.13 2519.13 9240.11 9240.11 0.00 0.00 0.00 0.00 08:40:05 ens3 17.48 16.16 94.33 4.68 0.00 0.00 0.00 0.00 08:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 lo 11.41 11.41 1.19 1.19 0.00 0.00 0.00 0.00 08:50:02 ens3 82.25 79.32 50.00 1205.06 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1252.11 1252.11 2565.27 2565.27 0.00 0.00 0.00 0.00 Average: ens3 66.13 56.39 325.47 249.53 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-3134) 09/08/26 _x86_64_ (4 CPU) 07:57:10 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:05 all 27.45 0.00 1.69 0.27 0.02 70.56 08:10:05 0 27.21 0.00 1.79 0.23 0.02 70.74 08:10:05 1 26.78 0.00 1.98 0.37 0.02 70.84 08:10:05 2 27.88 0.00 1.46 0.28 0.02 70.36 08:10:05 3 27.93 0.00 1.51 0.22 0.03 70.31 08:20:01 all 61.28 0.00 2.28 0.06 0.04 36.34 08:20:01 0 61.98 0.00 2.59 0.05 0.04 35.35 08:20:01 1 62.92 0.00 2.01 0.07 0.05 34.94 08:20:01 2 59.56 0.00 2.28 0.10 0.04 38.02 08:20:01 3 60.65 0.00 2.24 0.03 0.04 37.05 08:30:01 all 55.87 0.00 2.69 0.11 0.03 41.30 08:30:01 0 56.45 0.00 2.90 0.06 0.03 40.56 08:30:01 1 53.06 0.00 2.51 0.16 0.03 44.24 08:30:01 2 56.07 0.00 2.27 0.16 0.03 41.46 08:30:01 3 57.90 0.00 3.08 0.05 0.03 38.94 08:40:05 all 29.91 0.00 1.37 0.13 0.04 68.55 08:40:05 0 24.99 0.00 1.47 0.04 0.03 73.46 08:40:05 1 30.73 0.00 1.33 0.31 0.04 67.58 08:40:05 2 29.66 0.00 1.61 0.14 0.04 68.56 08:40:05 3 34.25 0.00 1.06 0.04 0.04 64.60 08:50:02 all 9.95 0.00 0.41 0.08 0.02 89.54 08:50:02 0 9.36 0.00 0.38 0.02 0.02 90.22 08:50:02 1 7.71 0.00 0.31 0.10 0.02 91.86 08:50:02 2 11.93 0.00 0.56 0.02 0.02 87.47 08:50:02 3 10.81 0.00 0.39 0.19 0.03 88.58 Average: all 36.86 0.00 1.69 0.13 0.03 61.29 Average: 0 35.95 0.00 1.82 0.08 0.03 62.11 Average: 1 36.20 0.00 1.63 0.20 0.03 61.94 Average: 2 36.99 0.00 1.64 0.14 0.03 61.20 Average: 3 38.30 0.00 1.66 0.11 0.03 59.91