---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38111 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): 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: 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: 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 14G 65G 17% / 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 636 7632 4 7719 15010 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:e2:77:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82622sec preferred_lft 82622sec inet6 fe80::f816:3eff:fee2:77f1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:84:95:0a:c6:6b 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-4c-4g-38111) 07/23/26 _x86_64_ (4 CPU) 12:39:34 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 10.76 6.11 4.46 0.19 1344.38 3274.97 976.69 13:00:03 1.18 0.00 1.17 0.00 0.04 15.06 0.00 13:10:03 1.24 0.00 1.24 0.00 0.16 15.05 0.00 13:20:01 1.18 0.00 1.17 0.00 0.01 14.27 0.00 13:30:03 1.39 0.00 1.39 0.00 0.04 17.59 0.00 13:40:03 72.12 3.22 58.10 10.80 151.38 33452.74 287735.25 Average: 14.64 1.56 11.25 1.83 249.41 6127.86 48084.51 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 13660212 15548636 468328 2.86 55840 2058116 1153596 6.62 258288 2212468 116 13:00:03 13658700 15547744 469220 2.87 56444 2058132 1153596 6.62 258900 2213164 164 13:10:03 13656432 15546108 470888 2.88 57044 2058184 1153660 6.62 259472 2214620 148 13:20:01 13649080 15539480 477488 2.92 57592 2058324 1153724 6.62 260044 2228192 200 13:30:03 13647232 15538380 478648 2.92 58212 2058464 1153724 6.62 260640 2228504 176 13:40:03 7599672 14527932 1421672 8.68 180000 6794064 2319404 13.31 1513252 6796704 922864 Average: 12645221 15374713 631041 3.85 77522 2847547 1347951 7.74 468433 2982275 153945 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:50:01 ens3 22.04 13.84 95.26 2.38 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:03 ens3 0.33 0.12 0.07 0.04 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:03 ens3 0.24 0.10 0.07 0.04 0.00 0.00 0.00 0.00 13:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:01 ens3 0.79 0.63 0.14 0.59 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:03 ens3 0.30 0.12 0.09 0.04 0.00 0.00 0.00 0.00 13:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:03 lo 0.62 0.62 0.06 0.06 0.00 0.00 0.00 0.00 13:40:03 ens3 239.54 187.50 1136.62 462.89 0.00 0.00 0.00 0.00 13:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 43.85 33.70 205.25 77.61 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-4c-4g-38111) 07/23/26 _x86_64_ (4 CPU) 12:39:34 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 0.62 0.00 0.13 1.78 0.32 97.14 12:50:01 0 0.47 0.00 0.14 1.33 0.36 97.71 12:50:01 1 0.40 0.00 0.13 4.88 0.20 94.40 12:50:01 2 0.90 0.00 0.15 0.72 0.45 97.79 12:50:01 3 0.72 0.00 0.11 0.23 0.29 98.65 13:00:03 all 0.19 0.00 0.03 0.03 0.03 99.72 13:00:03 0 0.12 0.00 0.04 0.00 0.02 99.81 13:00:03 1 0.04 0.00 0.04 0.07 0.04 99.81 13:00:03 2 0.34 0.00 0.03 0.03 0.01 99.58 13:00:03 3 0.26 0.00 0.03 0.00 0.03 99.68 13:10:03 all 0.18 0.00 0.04 0.15 0.02 99.61 13:10:03 0 0.05 0.00 0.03 0.01 0.01 99.90 13:10:03 1 0.06 0.00 0.06 0.37 0.02 99.50 13:10:03 2 0.03 0.00 0.03 0.22 0.01 99.71 13:10:03 3 0.58 0.00 0.04 0.00 0.04 99.34 13:20:01 all 0.09 0.00 0.03 0.04 0.01 99.83 13:20:01 0 0.07 0.00 0.03 0.00 0.01 99.90 13:20:01 1 0.04 0.00 0.04 0.00 0.01 99.90 13:20:01 2 0.24 0.00 0.03 0.15 0.01 99.57 13:20:01 3 0.03 0.00 0.02 0.01 0.01 99.95 13:30:03 all 0.13 0.00 0.03 0.03 0.01 99.80 13:30:03 0 0.07 0.00 0.03 0.00 0.01 99.89 13:30:03 1 0.02 0.00 0.02 0.05 0.01 99.90 13:30:03 2 0.02 0.00 0.02 0.04 0.01 99.91 13:30:03 3 0.42 0.00 0.04 0.04 0.01 99.49 13:40:03 all 29.94 0.00 2.06 1.61 0.13 66.27 13:40:03 0 26.46 0.00 2.00 1.31 0.13 70.11 13:40:03 1 30.83 0.00 1.76 0.88 0.11 66.43 13:40:03 2 37.15 0.00 2.69 1.75 0.15 58.26 13:40:03 3 25.33 0.00 1.78 2.50 0.13 70.25 Average: all 5.19 0.00 0.39 0.61 0.09 93.73 Average: 0 4.54 0.00 0.38 0.44 0.09 94.55 Average: 1 5.23 0.00 0.34 1.04 0.06 93.33 Average: 2 6.43 0.00 0.49 0.49 0.11 92.49 Average: 3 4.55 0.00 0.34 0.46 0.09 94.57