---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32078 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 13G 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 681 8066 4 7241 14965 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:94:1f:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82221sec preferred_lft 82221sec inet6 fe80::f816:3eff:fe94:1ff0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:b1:30:df:db:b4 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-32078) 07/01/26 _x86_64_ (4 CPU) 09:07:23 LINUX RESTART (4 CPU) 09:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:12 3.80 0.41 3.17 0.21 402.41 396.01 5159.76 09:30:13 1.32 0.00 1.31 0.00 0.04 14.82 0.00 09:40:13 40.37 2.82 36.94 0.61 149.81 2846.59 583.56 09:50:13 30.06 2.38 24.60 3.08 145.56 4208.20 9416.41 10:00:14 47.14 0.01 29.60 17.52 0.32 2491.13 252258.85 10:10:07 7.52 0.02 6.96 0.54 0.32 2918.99 40367.94 Average: 21.73 0.94 17.11 3.67 116.57 2143.25 51355.79 09:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:12 13540484 15511620 504764 3.08 57024 2139340 1150620 6.60 331496 2246540 4 09:30:13 13539740 15511392 505036 3.08 57492 2139356 1150684 6.60 331984 2246964 16 09:40:13 11820200 14841240 1123264 6.86 111112 3083572 1574584 9.04 516384 3686248 283612 09:50:13 8509864 12359564 3597864 21.97 143184 3818212 3618756 20.77 832100 6627328 7480 10:00:14 8157228 12433040 3520512 21.50 164108 4191944 3481636 19.98 952908 6834672 29428 10:10:07 4982120 10000996 5950208 36.34 167932 4905084 5499320 31.57 1164236 9739324 29608 Average: 10091606 13442975 2533608 15.47 116809 3379585 2745933 15.76 688185 5230179 58358 09:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:12 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 09:20:12 ens3 7.38 2.55 129.27 0.23 0.00 0.00 0.00 0.00 09:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:13 ens3 0.34 0.08 0.05 0.02 0.00 0.00 0.00 0.00 09:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:13 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 09:40:13 ens3 91.49 72.62 808.48 18.79 0.00 0.00 0.00 0.00 09:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:13 lo 1490.19 1490.19 1413.34 1413.34 0.00 0.00 0.00 0.00 09:50:13 ens3 91.54 67.95 504.07 17.64 0.00 0.00 0.00 0.00 09:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:14 lo 1487.93 1487.93 1417.73 1417.73 0.00 0.00 0.00 0.00 10:00:14 ens3 44.51 33.60 25.77 11.55 0.00 0.00 0.00 0.00 10:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:07 lo 1016.76 1016.76 7675.85 7675.85 0.00 0.00 0.00 0.00 10:10:07 ens3 12.03 8.85 8.42 3.48 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 665.09 665.09 1738.21 1738.21 0.00 0.00 0.00 0.00 Average: ens3 41.25 30.97 246.26 8.62 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-32078) 07/01/26 _x86_64_ (4 CPU) 09:07:23 LINUX RESTART (4 CPU) 09:10:12 CPU %user %nice %system %iowait %steal %idle 09:20:12 all 0.45 0.00 0.09 0.05 0.02 99.38 09:20:12 0 0.46 0.00 0.10 0.03 0.02 99.38 09:20:12 1 0.77 0.00 0.12 0.14 0.03 98.95 09:20:12 2 0.31 0.00 0.09 0.03 0.02 99.56 09:20:12 3 0.27 0.00 0.07 0.01 0.02 99.63 09:30:13 all 0.23 0.00 0.03 0.01 0.02 99.70 09:30:13 0 0.01 0.00 0.03 0.00 0.02 99.94 09:30:13 1 0.52 0.00 0.04 0.02 0.03 99.39 09:30:13 2 0.05 0.00 0.02 0.00 0.01 99.91 09:30:13 3 0.34 0.00 0.05 0.00 0.02 99.58 09:40:13 all 5.72 0.00 0.50 0.22 0.03 93.53 09:40:13 0 5.52 0.00 0.47 0.09 0.04 93.89 09:40:13 1 4.99 0.00 0.44 0.05 0.04 94.48 09:40:13 2 5.03 0.00 0.51 0.34 0.03 94.09 09:40:13 3 7.33 0.00 0.59 0.39 0.03 91.67 09:50:13 all 69.59 0.00 2.52 0.07 0.10 27.72 09:50:13 0 67.65 0.00 2.82 0.15 0.10 29.27 09:50:13 1 70.26 0.00 2.44 0.05 0.10 27.16 09:50:13 2 69.56 0.00 2.01 0.04 0.10 28.29 09:50:13 3 70.89 0.00 2.82 0.05 0.10 26.14 10:00:14 all 62.99 0.00 2.52 0.07 0.10 34.32 10:00:14 0 62.06 0.00 2.78 0.11 0.10 34.95 10:00:14 1 63.48 0.00 2.75 0.09 0.10 33.57 10:00:14 2 62.93 0.00 2.40 0.05 0.10 34.52 10:00:14 3 63.48 0.00 2.15 0.03 0.10 34.24 10:10:07 all 32.04 0.00 1.07 0.05 0.08 66.76 10:10:07 0 21.70 0.00 0.90 0.06 0.08 77.26 10:10:07 1 31.55 0.00 1.30 0.02 0.08 67.04 10:10:07 2 36.70 0.00 1.20 0.04 0.09 61.97 10:10:07 3 38.23 0.00 0.87 0.08 0.08 60.74 Average: all 28.43 0.00 1.12 0.08 0.06 70.31 Average: 0 26.20 0.00 1.18 0.07 0.06 72.49 Average: 1 28.51 0.00 1.18 0.06 0.06 70.18 Average: 2 29.03 0.00 1.04 0.08 0.06 69.80 Average: 3 30.00 0.00 1.09 0.09 0.06 68.76