---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-31809 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): 8 On-line CPU(s) list: 0-7 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): 8 Stepping: 0 BogoMIPS: 5600.00 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 912 24762 4 6417 30711 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:5e:5a:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82182sec preferred_lft 82182sec inet6 fe80::f816:3eff:fe5e:5acf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:18:a1:10:f7:bf 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-8c-8g-31809) 06/30/26 _x86_64_ (8 CPU) 08:20:34 LINUX RESTART (8 CPU) 08:30:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 1.34 0.01 1.33 0.01 0.04 15.65 0.58 08:50:23 14.58 0.00 1.20 13.38 0.14 13.13 495424.95 09:00:23 44.41 4.32 39.42 0.66 256.64 3747.81 1301.69 09:10:01 28.45 0.51 24.65 3.29 17.92 3588.01 6296.95 09:20:23 35.12 0.01 30.46 4.65 0.09 2578.67 11849.93 09:30:23 34.46 0.07 30.60 3.79 8.24 7666.51 15557.45 Average: 26.51 0.82 21.30 4.39 47.05 2927.66 91462.19 08:30:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 30118364 31855552 527572 1.61 62776 2011380 1528852 4.51 230444 2197896 164 08:50:23 30110012 31857704 525632 1.60 63360 2021272 1528788 4.51 240864 2198120 28 09:00:23 27507836 30582172 1737176 5.29 124420 3231824 2222332 6.55 499764 4469632 259764 09:10:01 25090600 28869792 3437796 10.46 167716 3828928 3513692 10.36 753292 6557680 128892 09:20:23 25053616 29144376 3159740 9.62 198924 4076084 3176064 9.37 851136 6447604 26228 09:30:23 25420624 31498764 798152 2.43 230656 5942080 1386904 4.09 1544772 5281396 30124 Average: 27216842 30634727 1697678 5.17 141309 3518595 2226105 6.56 686712 4525388 74200 08:30:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:40:01 ens3 0.37 0.19 0.11 0.07 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:23 ens3 0.18 0.09 0.04 0.02 0.00 0.00 0.00 0.00 08:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:23 lo 19.69 19.69 18.46 18.46 0.00 0.00 0.00 0.00 09:00:23 ens3 101.81 72.74 997.02 11.98 0.00 0.00 0.00 0.00 09:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 1426.54 1426.54 1357.89 1357.89 0.00 0.00 0.00 0.00 09:10:01 ens3 31.88 27.80 88.53 8.69 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:23 lo 1979.02 1979.02 1885.87 1885.87 0.00 0.00 0.00 0.00 09:20:23 ens3 20.14 17.24 8.49 5.79 0.00 0.00 0.00 0.00 09:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:23 lo 1171.74 1171.74 1115.12 1115.12 0.00 0.00 0.00 0.00 09:30:23 ens3 52.72 43.50 195.51 39.99 0.00 0.00 0.00 0.00 09:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 769.25 769.25 732.48 732.48 0.00 0.00 0.00 0.00 Average: ens3 34.43 26.85 214.38 11.07 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-8c-8g-31809) 06/30/26 _x86_64_ (8 CPU) 08:20:34 LINUX RESTART (8 CPU) 08:30:22 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 0.10 0.00 0.02 0.04 0.00 99.84 08:40:01 0 0.01 0.00 0.00 0.01 0.00 99.98 08:40:01 1 0.04 0.00 0.03 0.01 0.01 99.91 08:40:01 2 0.69 0.00 0.03 0.02 0.01 99.26 08:40:01 3 0.01 0.00 0.01 0.00 0.00 99.98 08:40:01 4 0.03 0.00 0.02 0.26 0.01 99.68 08:40:01 5 0.00 0.00 0.01 0.06 0.00 99.93 08:40:01 6 0.01 0.00 0.01 0.00 0.00 99.98 08:40:01 7 0.02 0.00 0.01 0.00 0.00 99.97 08:50:23 all 0.04 0.00 0.02 0.15 0.00 99.79 08:50:23 0 0.00 0.00 0.01 0.04 0.00 99.95 08:50:23 1 0.07 0.00 0.02 0.00 0.01 99.91 08:50:23 2 0.16 0.00 0.02 0.01 0.00 99.80 08:50:23 3 0.01 0.00 0.01 0.00 0.00 99.98 08:50:23 4 0.04 0.00 0.03 0.75 0.01 99.18 08:50:23 5 0.01 0.00 0.04 0.36 0.00 99.59 08:50:23 6 0.03 0.00 0.02 0.00 0.01 99.95 08:50:23 7 0.01 0.00 0.02 0.04 0.00 99.93 09:00:23 all 6.50 0.00 0.36 0.18 0.03 92.93 09:00:23 0 3.94 0.00 0.26 0.09 0.01 95.70 09:00:23 1 7.69 0.00 0.43 0.13 0.06 91.69 09:00:23 2 6.76 0.00 0.46 0.36 0.02 92.40 09:00:23 3 5.79 0.00 0.23 0.09 0.04 93.86 09:00:23 4 4.92 0.00 0.33 0.15 0.03 94.58 09:00:23 5 9.34 0.00 0.40 0.12 0.03 90.11 09:00:23 6 7.51 0.00 0.38 0.10 0.03 91.97 09:00:23 7 6.02 0.00 0.37 0.44 0.04 93.13 09:10:01 all 39.85 0.00 1.65 0.11 0.09 58.30 09:10:01 0 32.35 0.00 1.43 0.40 0.08 65.74 09:10:01 1 43.31 0.00 1.55 0.03 0.09 55.02 09:10:01 2 43.42 0.00 1.82 0.05 0.09 54.62 09:10:01 3 35.33 0.00 1.61 0.06 0.09 62.91 09:10:01 4 42.91 0.00 1.80 0.09 0.09 55.11 09:10:01 5 41.42 0.00 1.44 0.05 0.09 57.00 09:10:01 6 38.44 0.00 1.56 0.03 0.08 59.88 09:10:01 7 41.63 0.00 1.99 0.20 0.09 56.09 09:20:23 all 34.95 0.00 1.79 0.11 0.08 63.07 09:20:23 0 28.84 0.00 1.72 0.32 0.08 69.05 09:20:23 1 34.76 0.00 1.90 0.05 0.09 63.20 09:20:23 2 37.00 0.00 1.73 0.04 0.08 61.14 09:20:23 3 38.02 0.00 1.92 0.03 0.09 59.94 09:20:23 4 34.66 0.00 1.84 0.15 0.08 63.28 09:20:23 5 36.60 0.00 1.93 0.03 0.08 61.35 09:20:23 6 36.45 0.00 1.96 0.19 0.09 61.31 09:20:23 7 33.27 0.00 1.34 0.03 0.07 65.28 09:30:23 all 32.19 0.00 1.59 0.18 0.08 65.97 09:30:23 0 28.30 0.00 1.40 0.10 0.07 70.13 09:30:23 1 36.90 0.00 1.94 0.03 0.08 61.05 09:30:23 2 36.12 0.00 1.98 0.06 0.10 61.76 09:30:23 3 32.82 0.00 1.57 0.09 0.07 65.44 09:30:23 4 30.92 0.00 1.61 0.82 0.07 66.58 09:30:23 5 34.22 0.00 1.58 0.03 0.08 64.09 09:30:23 6 26.58 0.00 1.39 0.10 0.07 71.86 09:30:23 7 31.69 0.00 1.24 0.19 0.08 66.80 Average: all 18.87 0.00 0.90 0.13 0.05 80.05 Average: 0 15.52 0.00 0.80 0.16 0.04 83.48 Average: 1 20.37 0.00 0.98 0.04 0.06 78.55 Average: 2 20.60 0.00 1.00 0.09 0.05 78.26 Average: 3 18.63 0.00 0.89 0.04 0.05 80.39 Average: 4 18.81 0.00 0.94 0.37 0.05 79.83 Average: 5 20.19 0.00 0.90 0.11 0.05 78.75 Average: 6 18.12 0.00 0.89 0.07 0.05 80.87 Average: 7 18.68 0.00 0.82 0.15 0.05 80.30