---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-24259 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 893 24880 4 6317 30730 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:6c:b6:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82757sec preferred_lft 82757sec inet6 fe80::f816:3eff:fe6c:b6d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:af:4d:31:d0:fe 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-24259) 06/05/26 _x86_64_ (8 CPU) 11:29:18 LINUX RESTART (8 CPU) 11:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:01 3.53 0.05 3.48 0.01 2.02 12223.69 222.88 11:50:04 15.01 0.01 1.24 13.75 0.19 14.40 511547.75 12:00:04 51.74 4.56 46.09 1.08 263.27 4366.91 1460.04 12:10:01 31.02 0.25 27.26 3.51 10.71 3133.43 12588.11 12:20:04 31.94 0.01 27.67 4.25 0.11 2512.48 12794.17 Average: 26.67 0.98 21.15 4.53 55.32 4438.54 108199.81 11:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:01 30223064 31868568 518324 1.58 59712 1923852 1523092 4.49 199340 2151916 192 11:50:04 30212040 31868004 518856 1.58 60368 1933608 1502916 4.43 209840 2151268 8 12:00:04 27559564 30585000 1734200 5.28 126440 3180392 2608972 7.69 514240 4393592 143192 12:10:01 25967880 29546868 2761816 8.40 165696 3636524 2728072 8.04 713036 5710072 13264 12:20:04 24903688 28941720 3363464 10.23 198168 4020132 3311716 9.77 835180 6617472 50772 Average: 27773247 30562032 1779332 5.41 122077 2938902 2334954 6.89 494327 4204864 41486 11:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:40:01 ens3 0.81 0.25 0.28 0.12 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:50:04 ens3 0.49 0.08 0.07 0.02 0.00 0.00 0.00 0.00 11:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:04 lo 226.52 226.52 215.57 215.57 0.00 0.00 0.00 0.00 12:00:04 ens3 103.68 78.03 1070.54 13.30 0.00 0.00 0.00 0.00 12:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 1413.37 1413.37 1345.41 1345.41 0.00 0.00 0.00 0.00 12:10:01 ens3 28.88 24.38 13.84 7.99 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:04 lo 1891.88 1891.88 1802.76 1802.76 0.00 0.00 0.00 0.00 12:20:04 ens3 26.53 19.36 7.09 6.55 0.00 0.00 0.00 0.00 12:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 706.45 706.45 672.80 672.80 0.00 0.00 0.00 0.00 Average: ens3 32.10 24.43 218.67 5.60 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-24259) 06/05/26 _x86_64_ (8 CPU) 11:29:18 LINUX RESTART (8 CPU) 11:30:04 CPU %user %nice %system %iowait %steal %idle 11:40:01 all 0.07 0.00 0.02 0.01 0.01 99.89 11:40:01 0 0.05 0.00 0.03 0.00 0.01 99.92 11:40:01 1 0.03 0.00 0.01 0.00 0.00 99.96 11:40:01 2 0.01 0.00 0.01 0.03 0.01 99.94 11:40:01 3 0.02 0.00 0.04 0.07 0.01 99.87 11:40:01 4 0.00 0.00 0.00 0.00 0.01 99.99 11:40:01 5 0.02 0.00 0.02 0.00 0.01 99.96 11:40:01 6 0.02 0.00 0.02 0.00 0.01 99.95 11:40:01 7 0.45 0.00 0.02 0.01 0.01 99.51 11:50:04 all 0.05 0.00 0.01 0.03 0.01 99.91 11:50:04 0 0.31 0.00 0.01 0.00 0.01 99.67 11:50:04 1 0.02 0.00 0.01 0.01 0.00 99.96 11:50:04 2 0.00 0.00 0.01 0.00 0.00 99.99 11:50:04 3 0.02 0.00 0.03 0.05 0.01 99.89 11:50:04 4 0.01 0.00 0.02 0.15 0.00 99.82 11:50:04 5 0.01 0.00 0.01 0.00 0.00 99.98 11:50:04 6 0.01 0.00 0.01 0.00 0.01 99.97 11:50:04 7 0.01 0.00 0.01 0.00 0.00 99.97 12:00:04 all 8.93 0.00 0.47 0.15 0.03 90.42 12:00:04 0 12.76 0.00 0.66 0.10 0.03 86.45 12:00:04 1 7.03 0.00 0.29 0.01 0.02 92.65 12:00:04 2 7.99 0.00 0.49 0.09 0.03 91.41 12:00:04 3 9.86 0.00 0.64 0.40 0.04 89.06 12:00:04 4 8.15 0.00 0.36 0.06 0.02 91.41 12:00:04 5 8.33 0.00 0.40 0.05 0.03 91.19 12:00:04 6 9.05 0.00 0.44 0.04 0.03 90.45 12:00:04 7 8.29 0.00 0.47 0.46 0.03 90.75 12:10:01 all 40.41 0.00 1.63 0.06 0.08 57.82 12:10:01 0 34.01 0.00 1.51 0.04 0.08 64.36 12:10:01 1 37.92 0.00 1.77 0.05 0.09 60.18 12:10:01 2 41.39 0.00 1.55 0.06 0.08 56.93 12:10:01 3 45.13 0.00 1.75 0.07 0.09 52.97 12:10:01 4 45.40 0.00 1.79 0.03 0.09 52.69 12:10:01 5 39.95 0.00 1.53 0.07 0.09 58.37 12:10:01 6 39.90 0.00 1.41 0.04 0.08 58.56 12:10:01 7 39.54 0.00 1.77 0.09 0.08 58.51 12:20:04 all 35.58 0.00 1.65 0.77 0.08 61.91 12:20:04 0 35.33 0.00 1.43 1.92 0.08 61.24 12:20:04 1 34.99 0.00 1.84 0.56 0.08 62.53 12:20:04 2 37.92 0.00 1.61 0.55 0.08 59.84 12:20:04 3 39.69 0.00 1.95 0.46 0.08 57.82 12:20:04 4 31.78 0.00 1.80 0.57 0.07 65.78 12:20:04 5 37.01 0.00 1.57 0.55 0.08 60.80 12:20:04 6 33.64 0.00 1.62 0.16 0.08 64.51 12:20:04 7 34.30 0.00 1.41 1.41 0.08 62.79 Average: all 16.97 0.00 0.76 0.20 0.04 82.03 Average: 0 16.48 0.00 0.73 0.41 0.04 82.34 Average: 1 15.96 0.00 0.78 0.13 0.04 83.10 Average: 2 17.43 0.00 0.73 0.14 0.04 81.65 Average: 3 18.91 0.00 0.88 0.21 0.05 79.96 Average: 4 17.02 0.00 0.79 0.16 0.04 81.98 Average: 5 17.02 0.00 0.70 0.13 0.04 82.10 Average: 6 16.48 0.00 0.70 0.05 0.04 82.73 Average: 7 16.47 0.00 0.73 0.40 0.04 82.35