---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1529 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 4 On-line CPU(s) list: 0-3 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): 4 Stepping: 0 BogoMIPS: 5599.94 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 697 10391 4 4900 14949 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:da:8c:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83051sec preferred_lft 83051sec inet6 fe80::f816:3eff:feda:8cfc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:61:57:86:ee:10 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1529) 04/09/26 _x86_64_ (4 CPU) 14:09:32 LINUX RESTART (4 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 25.06 6.10 6.05 12.91 1326.34 8334.61 242976.01 14:30:30 1.55 0.00 1.55 0.00 0.04 1927.64 0.00 14:40:11 34.93 2.28 32.03 0.62 136.86 2425.50 1458.80 14:50:12 14.65 1.92 11.89 0.85 125.17 2753.06 1986.16 15:00:13 29.03 0.89 24.74 3.39 29.16 3453.08 8256.03 Average: 20.77 2.22 15.01 3.54 321.99 3771.52 50831.00 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 13647028 15526676 490008 2.99 56612 2048924 1149292 6.60 263512 2209312 28 14:30:30 13647028 15527300 489424 2.99 57200 2048944 1149436 6.60 264112 2210088 16 14:40:11 13010492 15517428 460480 2.81 98732 2600668 999220 5.74 401284 2651876 600 14:50:12 10581168 13945928 2013884 12.30 133380 3359552 2419344 13.89 623516 4794120 25140 15:00:13 8498728 13143716 2806332 17.14 172560 4504160 2888536 16.58 964444 6410108 376728 Average: 11876889 14732210 1252026 7.65 103697 2912450 1721166 9.88 503374 3655101 80502 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 14:20:01 ens3 21.50 12.03 95.01 2.28 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:30 ens3 0.31 0.09 0.06 0.02 0.00 0.00 0.00 0.00 14:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:11 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 14:40:11 ens3 42.73 31.39 319.01 7.37 0.00 0.00 0.00 0.00 14:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:12 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 14:50:12 ens3 92.36 72.64 597.47 18.14 0.00 0.00 0.00 0.00 14:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:13 lo 1542.82 1542.82 1470.68 1470.68 0.00 0.00 0.00 0.00 15:00:13 ens3 88.99 66.04 470.70 17.50 0.00 0.00 0.00 0.00 15:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 307.86 307.86 293.19 293.19 0.00 0.00 0.00 0.00 Average: ens3 48.76 36.13 293.54 8.99 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1529) 04/09/26 _x86_64_ (4 CPU) 14:09:32 LINUX RESTART (4 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 0.45 0.00 0.13 1.27 0.03 98.12 14:20:01 0 0.42 0.00 0.17 1.91 0.04 97.46 14:20:01 1 0.34 0.00 0.14 0.98 0.01 98.54 14:20:01 2 0.56 0.00 0.10 0.76 0.04 98.54 14:20:01 3 0.47 0.00 0.13 1.44 0.01 97.95 14:30:30 all 0.05 0.00 0.02 0.03 0.01 99.88 14:30:30 0 0.01 0.00 0.02 0.00 0.01 99.96 14:30:30 1 0.13 0.00 0.03 0.00 0.01 99.82 14:30:30 2 0.04 0.00 0.02 0.03 0.01 99.90 14:30:30 3 0.02 0.00 0.02 0.10 0.00 99.86 14:40:11 all 2.71 0.00 0.35 0.24 0.02 96.68 14:40:11 0 2.61 0.00 0.33 0.11 0.02 96.93 14:40:11 1 4.86 0.00 0.54 0.41 0.02 94.17 14:40:11 2 2.13 0.00 0.29 0.41 0.03 97.15 14:40:11 3 1.24 0.00 0.25 0.05 0.01 98.45 14:50:12 all 58.27 0.00 1.90 0.05 0.10 39.68 14:50:12 0 58.21 0.00 1.86 0.06 0.10 39.77 14:50:12 1 58.09 0.00 2.09 0.04 0.10 39.70 14:50:12 2 57.24 0.00 1.62 0.03 0.10 41.00 14:50:12 3 59.53 0.00 2.03 0.07 0.10 38.27 15:00:13 all 69.38 0.00 2.70 0.41 0.10 27.42 15:00:13 0 67.39 0.00 2.58 0.57 0.10 29.36 15:00:13 1 71.20 0.00 2.89 0.29 0.10 25.52 15:00:13 2 69.80 0.00 2.80 0.41 0.10 26.89 15:00:13 3 69.12 0.00 2.52 0.37 0.10 27.89 Average: all 26.04 0.00 1.02 0.40 0.05 72.49 Average: 0 25.61 0.00 0.99 0.53 0.05 72.82 Average: 1 26.79 0.00 1.13 0.34 0.05 71.70 Average: 2 25.83 0.00 0.96 0.33 0.06 72.82 Average: 3 25.94 0.00 0.98 0.40 0.04 72.63