---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23057 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 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 658 8095 4 7235 14988 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:55:b9:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83114sec preferred_lft 83114sec inet6 fe80::f816:3eff:fe55:b923/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:61:99:a7:56:4f 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-23057) 06/03/26 _x86_64_ (4 CPU) 08:20:41 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:09 32.20 2.87 15.07 14.27 152.83 2729.31 240281.23 08:50:09 21.70 0.07 19.28 2.36 6.57 2109.76 7175.08 09:00:01 33.13 0.01 29.77 3.35 0.20 4531.13 15395.30 09:10:09 12.08 0.30 10.40 1.38 11.47 6193.43 51340.86 Average: 24.73 0.82 18.55 5.36 43.20 3892.50 79251.24 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:09 10517296 14018328 1942040 11.86 126644 3518848 2619564 15.04 708292 4784980 16520 08:50:09 8368908 12501080 3454452 21.10 150008 4077680 3487620 20.02 885280 6697940 188148 09:00:01 7191036 12165484 3785996 23.12 167012 4865104 3637244 20.88 1146612 7573584 1080 09:10:09 8331724 15379476 565704 3.46 183416 6854904 1122308 6.44 1895936 5587140 341432 Average: 8602241 13516092 2437048 14.88 156770 4829134 2716684 15.59 1159030 6160911 136795 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:09 lo 652.54 652.54 621.72 621.72 0.00 0.00 0.00 0.00 08:40:09 ens3 89.93 70.12 917.85 12.45 0.00 0.00 0.00 0.00 08:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:09 lo 1126.70 1126.70 1067.24 1067.24 0.00 0.00 0.00 0.00 08:50:09 ens3 43.66 34.73 45.43 11.86 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 1309.96 1309.96 1246.89 1246.89 0.00 0.00 0.00 0.00 09:00:01 ens3 50.91 37.33 31.19 13.41 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:09 lo 2516.51 2516.51 9162.64 9162.64 0.00 0.00 0.00 0.00 09:10:09 ens3 27.81 26.36 126.23 185.99 0.00 0.00 0.00 0.00 09:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1402.92 1402.92 3043.40 3043.40 0.00 0.00 0.00 0.00 Average: ens3 53.13 42.20 282.79 56.37 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-23057) 06/03/26 _x86_64_ (4 CPU) 08:20:41 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:09 all 24.45 0.00 1.16 0.09 0.05 74.25 08:40:09 0 23.51 0.00 1.17 0.10 0.05 75.17 08:40:09 1 24.40 0.00 1.33 0.14 0.05 74.08 08:40:09 2 25.36 0.00 1.05 0.09 0.05 73.44 08:40:09 3 24.52 0.00 1.09 0.05 0.05 74.28 08:50:09 all 64.32 0.00 2.14 0.13 0.12 33.29 08:50:09 0 62.92 0.00 1.99 0.07 0.12 34.90 08:50:09 1 63.97 0.00 2.51 0.19 0.12 33.22 08:50:09 2 65.07 0.00 2.16 0.23 0.11 32.43 08:50:09 3 65.31 0.00 1.90 0.05 0.11 32.63 09:00:01 all 60.69 0.00 2.48 0.19 0.11 36.53 09:00:01 0 59.23 0.00 2.40 0.31 0.11 37.95 09:00:01 1 61.29 0.00 2.27 0.05 0.11 36.27 09:00:01 2 61.11 0.00 2.47 0.16 0.11 36.16 09:00:01 3 61.14 0.00 2.76 0.24 0.11 35.74 09:10:09 all 31.50 0.00 1.30 0.21 0.08 66.91 09:10:09 0 36.50 0.00 1.42 0.11 0.08 61.89 09:10:09 1 27.86 0.00 1.08 0.62 0.08 70.37 09:10:09 2 36.39 0.00 1.42 0.01 0.09 62.09 09:10:09 3 25.25 0.00 1.30 0.10 0.08 73.27 Average: all 45.05 0.00 1.76 0.16 0.09 52.94 Average: 0 45.37 0.00 1.74 0.14 0.09 52.65 Average: 1 44.17 0.00 1.79 0.25 0.09 53.70 Average: 2 46.81 0.00 1.77 0.12 0.09 51.21 Average: 3 43.85 0.00 1.76 0.11 0.09 54.19