---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-10370 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 903 24775 4 6412 30721 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:ee:83:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83882sec preferred_lft 83882sec inet6 fe80::f816:3eff:feee:83dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:fa:94:d6:43:6d 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-10370) 05/02/26 _x86_64_ (8 CPU) 12:59:29 LINUX RESTART (8 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:02 55.08 4.95 47.54 2.59 480.03 6822.05 6019.07 13:20:02 26.40 0.16 22.93 3.31 5.89 2362.87 4326.28 13:30:13 35.14 0.01 30.77 4.36 0.16 3214.28 13942.15 13:40:13 25.95 0.30 22.46 3.19 12.12 6471.04 8391.69 Average: 35.65 1.35 30.94 3.37 124.22 4711.58 8193.34 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:02 26357216 29637788 2674748 8.14 145928 3394048 2843400 8.38 681748 5407628 24480 13:20:02 25331216 29152252 3155268 9.60 176396 3856380 3795076 11.19 801872 6259816 85732 13:30:13 24336572 28742212 3560764 10.84 215064 4348856 3700424 10.91 965988 7038168 42636 13:40:13 25388004 31455264 840284 2.56 233644 5930576 1420652 4.19 1576604 5272376 1784 Average: 25353252 29746879 2557766 7.78 192758 4382465 2939888 8.67 1006553 5994497 38658 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:02 lo 747.69 747.69 712.09 712.09 0.00 0.00 0.00 0.00 13:10:02 ens3 149.73 111.22 1208.22 23.91 0.00 0.00 0.00 0.00 13:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:02 lo 1376.66 1376.66 1310.65 1310.65 0.00 0.00 0.00 0.00 13:20:02 ens3 48.98 35.70 20.51 13.94 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:13 lo 1770.70 1770.70 1686.20 1686.20 0.00 0.00 0.00 0.00 13:30:13 ens3 61.46 41.16 20.11 15.44 0.00 0.00 0.00 0.00 13:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:13 lo 724.00 724.00 674.54 674.54 0.00 0.00 0.00 0.00 13:40:13 ens3 138.03 137.56 224.74 977.63 0.00 0.00 0.00 0.00 13:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1157.34 1157.34 1098.34 1098.34 0.00 0.00 0.00 0.00 Average: ens3 99.40 81.24 367.35 256.36 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-10370) 05/02/26 _x86_64_ (8 CPU) 12:59:29 LINUX RESTART (8 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:02 all 21.77 0.00 1.07 0.18 0.05 76.93 13:10:02 0 20.14 0.00 0.95 0.04 0.05 78.83 13:10:02 1 23.61 0.00 1.05 0.07 0.05 75.22 13:10:02 2 21.72 0.00 1.12 0.33 0.05 76.77 13:10:02 3 20.71 0.00 0.96 0.12 0.05 78.16 13:10:02 4 19.36 0.00 0.96 0.06 0.04 79.58 13:10:02 5 23.33 0.00 1.28 0.54 0.06 74.80 13:10:02 6 21.35 0.00 0.98 0.12 0.05 77.51 13:10:02 7 23.98 0.00 1.27 0.13 0.05 74.56 13:20:02 all 33.09 0.00 1.49 0.05 0.06 65.30 13:20:02 0 30.06 0.00 1.46 0.03 0.06 68.39 13:20:02 1 36.52 0.00 1.48 0.13 0.07 61.80 13:20:02 2 35.20 0.00 1.67 0.05 0.07 63.01 13:20:02 3 34.12 0.00 1.63 0.03 0.06 64.16 13:20:02 4 31.65 0.00 1.44 0.04 0.06 66.81 13:20:02 5 36.05 0.00 1.66 0.04 0.07 62.18 13:20:02 6 29.52 0.00 1.28 0.05 0.06 69.09 13:20:02 7 31.63 0.00 1.29 0.04 0.06 66.98 13:30:13 all 38.10 0.00 1.78 0.07 0.07 59.98 13:30:13 0 35.52 0.00 2.01 0.16 0.07 62.23 13:30:13 1 40.35 0.00 1.99 0.09 0.07 57.49 13:30:13 2 35.87 0.00 1.80 0.10 0.07 62.16 13:30:13 3 40.66 0.00 1.53 0.02 0.07 57.72 13:30:13 4 37.75 0.00 1.83 0.05 0.07 60.31 13:30:13 5 39.18 0.00 1.61 0.07 0.07 59.07 13:30:13 6 40.01 0.00 1.93 0.04 0.07 57.95 13:30:13 7 35.49 0.00 1.51 0.03 0.07 62.90 13:40:13 all 21.59 0.00 1.05 0.57 0.05 76.74 13:40:13 0 25.64 0.00 1.20 0.02 0.06 73.09 13:40:13 1 26.55 0.00 1.28 0.13 0.06 71.98 13:40:13 2 22.10 0.00 1.07 0.29 0.05 76.49 13:40:13 3 25.45 0.00 1.09 2.80 0.05 70.62 13:40:13 4 17.09 0.00 0.85 0.02 0.05 82.00 13:40:13 5 20.21 0.00 0.84 0.71 0.06 78.19 13:40:13 6 18.18 0.00 0.89 0.29 0.05 80.59 13:40:13 7 17.52 0.00 1.17 0.29 0.05 80.98 Average: all 28.67 0.00 1.35 0.22 0.06 69.70 Average: 0 27.87 0.00 1.41 0.06 0.06 70.60 Average: 1 31.79 0.00 1.45 0.11 0.06 66.59 Average: 2 28.75 0.00 1.42 0.19 0.06 69.58 Average: 3 30.27 0.00 1.30 0.74 0.06 67.63 Average: 4 26.50 0.00 1.27 0.04 0.05 72.13 Average: 5 29.72 0.00 1.35 0.34 0.06 68.53 Average: 6 27.32 0.00 1.27 0.13 0.06 71.23 Average: 7 27.19 0.00 1.31 0.12 0.06 71.32