---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-30842 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 923 24676 4 6491 30700 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:25:59:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83888sec preferred_lft 83888sec inet6 fe80::f816:3eff:fe25:59ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:5d:d9:0f:0a:1a 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-30842) 06/26/26 _x86_64_ (8 CPU) 12:59:31 LINUX RESTART (8 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 77.08 10.80 49.17 17.12 1615.12 7043.33 518723.16 13:20:07 26.50 0.15 22.93 3.42 5.77 2311.83 9595.52 13:30:07 34.02 0.01 29.89 4.12 0.07 3206.59 16285.60 13:40:07 25.20 0.30 21.84 3.06 11.71 6429.44 14642.01 Average: 40.69 2.81 30.95 6.93 407.90 4743.53 139718.81 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 26227780 29638164 2672880 8.13 147960 3511784 3372072 9.94 703652 5508588 49304 13:20:07 25195968 29134272 3172004 9.65 177252 3965512 3371624 9.94 821932 6369612 112704 13:30:07 24468212 28919612 3382076 10.29 214692 4390576 3444596 10.16 963664 6907748 8592 13:40:07 25467364 31621716 672524 2.05 232828 6012340 1222400 3.60 1579368 5177996 232 Average: 25339831 29828441 2474871 7.53 193183 4470053 2852673 8.41 1017154 5990986 42708 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 854.51 854.51 814.02 814.02 0.00 0.00 0.00 0.00 13:10:01 ens3 171.64 129.91 1209.19 26.47 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:07 lo 1399.08 1399.08 1331.92 1331.92 0.00 0.00 0.00 0.00 13:20:07 ens3 44.47 33.90 20.31 13.90 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:07 lo 1681.79 1681.79 1601.18 1601.18 0.00 0.00 0.00 0.00 13:30:07 ens3 57.73 39.30 17.48 14.54 0.00 0.00 0.00 0.00 13:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:07 lo 743.13 743.13 690.72 690.72 0.00 0.00 0.00 0.00 13:40:07 ens3 127.53 125.78 217.92 933.62 0.00 0.00 0.00 0.00 13:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1169.98 1169.98 1109.80 1109.80 0.00 0.00 0.00 0.00 Average: ens3 100.25 82.14 365.89 246.49 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-30842) 06/26/26 _x86_64_ (8 CPU) 12:59:31 LINUX RESTART (8 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 24.41 0.00 1.23 0.34 0.06 73.97 13:10:01 0 20.29 0.00 1.07 0.15 0.05 78.44 13:10:01 1 30.04 0.00 1.65 0.28 0.07 67.96 13:10:01 2 22.37 0.00 1.28 0.09 0.05 76.21 13:10:01 3 26.40 0.00 1.24 0.49 0.06 71.81 13:10:01 4 22.40 0.00 1.23 0.21 0.06 76.10 13:10:01 5 24.94 0.00 0.89 0.92 0.06 73.19 13:10:01 6 25.10 0.00 1.51 0.48 0.07 72.84 13:10:01 7 23.72 0.00 0.96 0.09 0.06 75.18 13:20:07 all 34.22 0.00 1.48 0.05 0.08 64.17 13:20:07 0 32.06 0.00 1.16 0.03 0.08 66.67 13:20:07 1 37.10 0.00 1.61 0.10 0.08 61.10 13:20:07 2 32.19 0.00 1.29 0.05 0.08 66.38 13:20:07 3 33.19 0.00 1.77 0.06 0.08 64.91 13:20:07 4 36.09 0.00 1.49 0.03 0.07 62.32 13:20:07 5 33.33 0.00 1.67 0.07 0.08 64.85 13:20:07 6 34.72 0.00 1.39 0.03 0.08 63.79 13:20:07 7 35.07 0.00 1.42 0.04 0.08 63.39 13:30:07 all 38.43 0.00 1.74 0.07 0.08 59.67 13:30:07 0 35.93 0.00 1.64 0.04 0.08 62.31 13:30:07 1 40.40 0.00 1.94 0.11 0.09 57.46 13:30:07 2 40.30 0.00 1.83 0.02 0.09 57.77 13:30:07 3 41.95 0.00 1.97 0.05 0.09 55.94 13:30:07 4 32.52 0.00 1.68 0.11 0.08 65.61 13:30:07 5 38.48 0.00 1.39 0.15 0.09 59.89 13:30:07 6 37.39 0.00 1.80 0.05 0.08 60.68 13:30:07 7 40.52 0.00 1.68 0.03 0.08 57.69 13:40:07 all 22.24 0.00 1.05 0.19 0.06 76.45 13:40:07 0 17.37 0.00 0.81 0.02 0.05 81.74 13:40:07 1 31.50 0.00 1.52 0.08 0.07 66.83 13:40:07 2 22.40 0.00 0.88 0.52 0.06 76.14 13:40:07 3 20.70 0.00 1.27 0.09 0.06 77.88 13:40:07 4 23.68 0.00 1.04 0.68 0.06 74.54 13:40:07 5 24.56 0.00 0.89 0.06 0.06 74.43 13:40:07 6 15.95 0.00 0.91 0.04 0.05 83.06 13:40:07 7 21.78 0.00 1.10 0.08 0.06 76.99 Average: all 29.83 0.00 1.37 0.16 0.07 68.56 Average: 0 26.42 0.00 1.17 0.06 0.07 72.29 Average: 1 34.76 0.00 1.68 0.14 0.08 63.34 Average: 2 29.32 0.00 1.32 0.17 0.07 69.13 Average: 3 30.56 0.00 1.56 0.17 0.07 67.64 Average: 4 28.68 0.00 1.36 0.26 0.07 69.63 Average: 5 30.33 0.00 1.21 0.30 0.07 68.09 Average: 6 28.29 0.00 1.40 0.15 0.07 70.09 Average: 7 30.27 0.00 1.29 0.06 0.07 68.32