---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41241 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 5599.99 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: 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 12G 67G 15% / 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 711 9479 4 5798 14934 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:6f:42:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80281sec preferred_lft 80281sec inet6 fe80::f816:3eff:fe6f:422d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:ff:02:0e:8b:b7 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41241) 08/26/26 _x86_64_ (4 CPU) 11:26:19 LINUX RESTART (4 CPU) 11:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:01 14.64 0.04 1.76 12.84 1.22 22.12 244416.93 11:50:05 1.54 0.00 1.53 0.00 0.04 18.03 0.00 12:00:05 1.46 0.00 1.46 0.00 0.00 17.10 0.00 12:10:01 1.47 0.00 1.47 0.00 0.00 17.36 0.01 12:20:06 1.47 0.00 1.47 0.00 0.01 17.56 0.00 12:30:05 1.53 0.00 1.53 0.00 0.00 18.06 0.01 12:40:01 38.89 3.82 34.44 0.63 235.47 3516.16 907.55 12:50:00 22.81 1.05 19.87 1.89 47.04 3985.44 10029.32 13:00:04 35.86 0.05 32.59 3.21 1.80 6092.62 24374.11 Average: 13.28 0.55 10.67 2.06 31.52 1523.75 30941.27 11:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:01 13748584 15532052 486192 2.97 54044 1957200 1140452 6.55 197620 2183892 204 11:50:05 13747336 15531536 486704 2.97 54704 1957212 1140516 6.55 198308 2184972 184 12:00:05 13743304 15528140 490108 2.99 55328 1957216 1140516 6.55 198932 2185608 180 12:10:01 13742300 15527752 490436 3.00 55924 1957228 1140516 6.55 199528 2186280 204 12:20:06 13740548 15526664 491532 3.00 56504 1957300 1140708 6.55 200100 2192056 224 12:30:05 13738532 15525564 492600 3.01 57124 1957568 1140708 6.55 200732 2192408 224 12:40:01 11355012 14229864 1734332 10.59 118188 2924520 2125976 12.20 396896 4258584 104896 12:50:00 9592040 13438436 2516872 15.37 163752 3764744 2717496 15.60 727856 5620536 11580 13:00:04 7893196 13224140 2724124 16.64 191964 5144712 2810280 16.13 1038648 6902840 28124 Average: 12366761 14896016 1101433 6.73 89726 2619744 1610796 9.25 373180 3323020 16202 11:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:40:01 ens3 0.35 0.16 0.12 0.06 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:50:05 ens3 0.24 0.09 0.04 0.02 0.00 0.00 0.00 0.00 11:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:00:05 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 12:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:10:01 ens3 0.21 0.09 0.04 0.02 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:06 ens3 0.53 0.47 0.12 0.54 0.00 0.00 0.00 0.00 12:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:05 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 12:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 12:40:01 ens3 87.60 66.98 805.95 13.17 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 852.29 852.29 811.96 811.96 0.00 0.00 0.00 0.00 12:50:00 ens3 72.87 53.62 357.90 14.39 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:04 lo 1465.01 1465.01 1395.61 1395.61 0.00 0.00 0.00 0.00 13:00:04 ens3 55.13 42.64 254.69 11.58 0.00 0.00 0.00 0.00 13:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 258.58 258.58 246.24 246.24 0.00 0.00 0.00 0.00 Average: ens3 24.11 18.21 157.11 4.42 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41241) 08/26/26 _x86_64_ (4 CPU) 11:26:19 LINUX RESTART (4 CPU) 11:30:05 CPU %user %nice %system %iowait %steal %idle 11:40:01 all 0.07 0.00 0.04 0.11 0.02 99.76 11:40:01 0 0.04 0.00 0.03 0.28 0.02 99.63 11:40:01 1 0.03 0.00 0.05 0.10 0.01 99.82 11:40:01 2 0.18 0.00 0.04 0.02 0.03 99.74 11:40:01 3 0.04 0.00 0.03 0.04 0.02 99.87 11:50:05 all 0.25 0.00 0.03 0.13 0.02 99.58 11:50:05 0 0.02 0.00 0.02 0.50 0.01 99.44 11:50:05 1 0.03 0.00 0.03 0.01 0.01 99.92 11:50:05 2 0.89 0.00 0.02 0.00 0.01 99.07 11:50:05 3 0.04 0.00 0.04 0.02 0.02 99.88 12:00:05 all 0.08 0.00 0.05 0.19 0.05 99.63 12:00:05 0 0.02 0.00 0.03 0.06 0.01 99.89 12:00:05 1 0.03 0.00 0.04 0.59 0.15 99.19 12:00:05 2 0.27 0.00 0.08 0.12 0.03 99.51 12:00:05 3 0.02 0.00 0.03 0.01 0.01 99.93 12:10:01 all 0.10 0.00 0.04 0.05 0.01 99.80 12:10:01 0 0.04 0.00 0.05 0.13 0.02 99.76 12:10:01 1 0.28 0.00 0.03 0.02 0.01 99.66 12:10:01 2 0.02 0.00 0.04 0.06 0.01 99.87 12:10:01 3 0.06 0.00 0.02 0.00 0.01 99.90 12:20:06 all 0.20 0.00 0.04 0.01 0.01 99.74 12:20:06 0 0.02 0.00 0.03 0.02 0.01 99.91 12:20:06 1 0.56 0.00 0.07 0.03 0.02 99.32 12:20:06 2 0.18 0.00 0.03 0.00 0.01 99.78 12:20:06 3 0.02 0.00 0.04 0.00 0.01 99.93 12:30:05 all 0.23 0.00 0.05 0.01 0.01 99.70 12:30:05 0 0.30 0.00 0.02 0.00 0.01 99.67 12:30:05 1 0.08 0.00 0.05 0.05 0.01 99.82 12:30:05 2 0.51 0.00 0.09 0.01 0.02 99.37 12:30:05 3 0.03 0.00 0.04 0.00 0.01 99.93 12:40:01 all 9.87 0.00 0.86 0.49 0.04 88.75 12:40:01 0 8.51 0.00 0.77 0.62 0.03 90.07 12:40:01 1 9.23 0.00 1.03 0.70 0.04 89.00 12:40:01 2 12.05 0.00 0.85 0.51 0.05 86.54 12:40:01 3 9.68 0.00 0.78 0.12 0.04 89.39 12:50:00 all 66.73 0.00 2.42 0.09 0.14 30.63 12:50:00 0 66.77 0.00 2.21 0.10 0.13 30.79 12:50:00 1 67.43 0.00 2.27 0.05 0.14 30.11 12:50:00 2 68.00 0.00 2.52 0.10 0.14 29.24 12:50:00 3 64.70 0.00 2.67 0.13 0.14 32.36 13:00:04 all 57.63 0.00 2.50 0.07 0.11 39.68 13:00:04 0 59.88 0.00 2.45 0.11 0.11 37.44 13:00:04 1 56.85 0.00 2.28 0.08 0.11 40.67 13:00:04 2 56.23 0.00 2.56 0.05 0.11 41.05 13:00:04 3 57.57 0.00 2.71 0.06 0.11 39.55 Average: all 15.02 0.00 0.67 0.13 0.05 84.13 Average: 0 15.08 0.00 0.62 0.20 0.04 84.05 Average: 1 14.95 0.00 0.65 0.18 0.06 84.17 Average: 2 15.38 0.00 0.69 0.10 0.05 83.79 Average: 3 14.68 0.00 0.71 0.04 0.04 84.53