---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-20030 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: 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: 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 894 24849 4 6347 30729 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:f1:ba:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83845sec preferred_lft 83845sec inet6 fe80::f816:3eff:fef1:ba80/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:db:6d:d2:99:a6 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-20030) 05/25/26 _x86_64_ (8 CPU) 19:08:53 LINUX RESTART (8 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:09 35.95 3.46 29.74 2.74 181.91 5730.60 8397.56 19:30:09 26.80 0.14 23.14 3.52 5.68 2129.07 8045.57 19:40:09 33.73 0.01 29.57 4.15 0.12 3160.83 12531.23 19:50:09 26.32 0.32 22.67 3.33 14.37 6464.28 13114.59 Average: 30.70 0.98 26.28 3.44 50.52 4371.19 10522.24 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:09 26593140 29898228 2414344 7.35 146332 3408396 2554720 7.53 638120 5213328 11016 19:30:09 25235288 29096328 3210800 9.77 175424 3890564 3178276 9.37 762232 6396356 173664 19:40:09 25168836 29483936 2819112 8.58 213980 4259016 2772352 8.18 890936 6269392 16328 19:50:09 25508692 31518144 777332 2.37 232160 5871124 1371852 4.05 1514016 5226716 11016 Average: 25626489 29999159 2305397 7.02 191974 4357275 2469300 7.28 951326 5776448 53006 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:09 lo 1444.52 1444.52 1377.33 1377.33 0.00 0.00 0.00 0.00 19:20:09 ens3 126.47 97.03 1020.53 21.19 0.00 0.00 0.00 0.00 19:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:09 lo 1528.67 1528.67 1455.40 1455.40 0.00 0.00 0.00 0.00 19:30:09 ens3 35.32 27.01 16.20 11.97 0.00 0.00 0.00 0.00 19:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:09 lo 1648.85 1648.85 1570.04 1570.04 0.00 0.00 0.00 0.00 19:40:09 ens3 45.45 32.34 19.83 15.93 0.00 0.00 0.00 0.00 19:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:09 lo 736.77 736.77 683.70 683.70 0.00 0.00 0.00 0.00 19:50:09 ens3 137.44 134.51 224.05 977.48 0.00 0.00 0.00 0.00 19:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1339.70 1339.70 1271.62 1271.62 0.00 0.00 0.00 0.00 Average: ens3 86.17 72.72 320.15 256.64 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-20030) 05/25/26 _x86_64_ (8 CPU) 19:08:53 LINUX RESTART (8 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:09 all 30.06 0.00 1.42 2.18 0.08 66.26 19:20:09 0 23.56 0.00 1.22 1.16 0.07 74.00 19:20:09 1 29.33 0.00 1.53 1.85 0.09 67.21 19:20:09 2 30.86 0.00 1.55 1.94 0.08 65.57 19:20:09 3 30.69 0.00 1.52 1.92 0.08 65.79 19:20:09 4 31.78 0.00 1.54 1.61 0.08 64.99 19:20:09 5 32.95 0.00 1.22 0.94 0.08 64.81 19:20:09 6 30.85 0.00 1.48 7.49 0.07 60.11 19:20:09 7 30.47 0.00 1.32 0.55 0.08 67.58 19:30:09 all 33.47 0.00 1.55 1.19 0.11 63.68 19:30:09 0 32.11 0.00 1.36 1.85 0.11 64.57 19:30:09 1 36.80 0.00 1.77 0.64 0.10 60.69 19:30:09 2 33.38 0.00 1.46 1.82 0.11 63.23 19:30:09 3 32.38 0.00 1.49 0.85 0.11 65.16 19:30:09 4 32.54 0.00 1.74 0.73 0.11 64.88 19:30:09 5 32.86 0.00 1.41 0.57 0.10 65.07 19:30:09 6 32.88 0.00 1.55 0.54 0.10 64.92 19:30:09 7 34.83 0.00 1.61 2.52 0.10 60.94 19:40:09 all 38.56 0.00 1.79 0.22 0.09 59.34 19:40:09 0 35.44 0.00 1.82 0.17 0.09 62.48 19:40:09 1 41.27 0.00 1.86 0.12 0.09 56.66 19:40:09 2 39.22 0.00 1.99 0.93 0.09 57.78 19:40:09 3 36.07 0.00 1.80 0.06 0.09 61.97 19:40:09 4 43.28 0.00 1.58 0.11 0.10 54.92 19:40:09 5 37.40 0.00 1.86 0.08 0.08 60.58 19:40:09 6 38.19 0.00 1.74 0.26 0.09 59.72 19:40:09 7 37.62 0.00 1.66 0.05 0.09 60.57 19:50:09 all 22.84 0.00 1.12 1.03 0.07 74.94 19:50:09 0 21.26 0.00 1.07 0.55 0.07 77.05 19:50:09 1 29.94 0.00 1.27 0.12 0.08 68.59 19:50:09 2 28.41 0.00 1.15 2.22 0.07 68.15 19:50:09 3 21.02 0.00 1.11 1.52 0.07 76.28 19:50:09 4 21.53 0.00 1.34 0.60 0.06 76.47 19:50:09 5 18.54 0.00 0.91 0.37 0.06 80.12 19:50:09 6 23.49 0.00 0.89 0.05 0.07 75.50 19:50:09 7 18.48 0.00 1.21 2.84 0.07 77.40 Average: all 31.23 0.00 1.47 1.16 0.09 66.06 Average: 0 28.09 0.00 1.37 0.93 0.08 69.53 Average: 1 34.33 0.00 1.61 0.68 0.09 63.29 Average: 2 32.97 0.00 1.54 1.73 0.09 63.68 Average: 3 30.04 0.00 1.48 1.09 0.09 67.31 Average: 4 32.28 0.00 1.55 0.76 0.09 65.32 Average: 5 30.43 0.00 1.35 0.49 0.08 67.65 Average: 6 31.35 0.00 1.41 2.08 0.08 65.07 Average: 7 30.34 0.00 1.45 1.49 0.09 66.63