---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1498 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: 5599.99 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 18G 61G 23% / 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 733 10056 3 5199 14913 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:29:fe:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80404sec preferred_lft 80404sec inet6 fe80::f816:3eff:fe29:fe27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:06:47:30:b3:77 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 inet6 fe80::6406:47ff:fe30:b377/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1498) 04/09/26 _x86_64_ (4 CPU) 13:50:22 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:01 74.12 23.38 47.59 3.15 324.62 5537.83 4256.90 14:20:01 21.22 0.23 19.91 1.08 4.25 769.76 1096.26 14:30:01 16.08 0.03 15.39 0.66 1.28 439.69 231.21 14:40:01 7.42 0.01 7.22 0.19 0.44 158.30 94.93 14:50:01 3.73 0.00 3.56 0.17 0.00 102.92 43.58 15:00:01 5.00 0.01 4.81 0.18 1.07 131.12 85.69 15:10:01 5.80 0.00 5.61 0.19 0.32 147.27 85.00 15:20:01 11.93 0.14 11.23 0.57 4.95 676.64 247.84 15:30:01 11.33 1.85 8.63 0.85 99.39 1255.96 382.52 Average: 17.40 2.85 13.77 0.78 48.45 1023.99 724.62 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:01 436344 4639116 11288252 68.94 267732 3862616 12057328 69.21 2310664 12983908 540 14:20:01 3240200 7555200 8374040 51.15 273788 3963172 9171096 52.64 2365020 10124692 400 14:30:01 7046564 11415208 4517192 27.59 276732 4013804 5309240 30.47 2373968 6313704 236 14:40:01 10457880 14848260 1085940 6.63 277392 4034824 1864096 10.70 2375752 2927392 10536 14:50:01 7004276 11399076 4533112 27.69 277812 4038824 5257536 30.18 2376212 6364112 256 15:00:01 5478936 9889112 6042248 36.90 278316 4053664 6778380 38.91 2378256 7881604 272 15:10:01 5307520 9734676 6196800 37.85 278808 4070120 6961992 39.96 2381484 8051316 80 15:20:01 6644612 11219844 4712020 28.78 283212 4207388 5409720 31.05 2398068 6694676 140 15:30:01 10407648 15348720 584852 3.57 285244 4562940 1226764 7.04 2449184 2871508 12300 Average: 6224887 10672135 5259384 32.12 277671 4089706 6004017 34.46 2378734 7134768 2751 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:01 lo 26.48 26.48 19.72 19.72 0.00 0.00 0.00 0.00 14:10:01 ens3 2.60 2.01 0.89 0.71 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 37.68 37.68 14.89 14.89 0.00 0.00 0.00 0.00 14:20:01 ens3 1.84 1.51 0.48 0.43 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 14:30:01 lo 21.50 21.50 9.66 9.66 0.00 0.00 0.00 0.00 14:30:01 ens3 0.85 0.61 0.15 0.12 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 18.79 18.79 8.99 8.99 0.00 0.00 0.00 0.00 14:40:01 ens3 0.69 0.55 0.14 0.11 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 24.34 24.34 8.19 8.19 0.00 0.00 0.00 0.00 14:50:01 ens3 0.42 0.27 0.09 0.06 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 16.71 16.71 8.52 8.52 0.00 0.00 0.00 0.00 15:00:01 ens3 0.95 0.86 0.20 1.64 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 14.02 14.02 8.85 8.85 0.00 0.00 0.00 0.00 15:10:01 ens3 0.59 0.45 0.12 0.09 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 19.00 19.00 10.40 10.40 0.00 0.00 0.00 0.00 15:20:01 ens3 1.47 1.33 9.16 0.23 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 32.37 32.37 12.58 12.58 0.00 0.00 0.00 0.00 15:30:01 ens3 2.69 2.39 1.67 0.96 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.43 23.43 11.31 11.31 0.00 0.00 0.00 0.00 Average: ens3 1.34 1.11 1.43 0.48 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-16g-1498) 04/09/26 _x86_64_ (4 CPU) 13:50:22 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:01 all 66.97 0.00 2.64 0.13 0.18 30.08 14:10:01 0 68.61 0.00 2.39 0.17 0.19 28.64 14:10:01 1 64.62 0.00 2.90 0.10 0.19 32.20 14:10:01 2 67.90 0.00 2.72 0.19 0.19 29.01 14:10:01 3 66.75 0.00 2.53 0.06 0.18 30.48 14:20:01 all 42.85 0.00 1.59 0.05 0.14 55.36 14:20:01 0 42.86 0.00 1.58 0.02 0.14 55.40 14:20:01 1 42.61 0.00 1.58 0.07 0.14 55.60 14:20:01 2 43.06 0.00 1.65 0.05 0.15 55.09 14:20:01 3 42.89 0.00 1.56 0.05 0.14 55.36 14:30:01 all 26.11 0.00 0.89 0.04 0.09 72.87 14:30:01 0 26.12 0.00 0.81 0.03 0.09 72.96 14:30:01 1 26.45 0.00 0.81 0.02 0.09 72.63 14:30:01 2 26.75 0.00 0.92 0.07 0.09 72.16 14:30:01 3 25.12 0.00 1.03 0.04 0.09 73.73 14:40:01 all 9.47 0.00 0.38 0.02 0.07 90.06 14:40:01 0 9.75 0.00 0.39 0.01 0.06 89.77 14:40:01 1 9.09 0.00 0.37 0.02 0.07 90.45 14:40:01 2 9.44 0.00 0.39 0.02 0.07 90.08 14:40:01 3 9.61 0.00 0.35 0.03 0.06 89.94 14:50:01 all 7.77 0.00 0.45 0.02 0.07 91.69 14:50:01 0 7.49 0.00 0.32 0.02 0.06 92.11 14:50:01 1 7.82 0.00 0.53 0.00 0.07 91.57 14:50:01 2 7.52 0.00 0.49 0.03 0.08 91.88 14:50:01 3 8.24 0.00 0.45 0.01 0.07 91.22 15:00:01 all 9.75 0.00 0.49 0.02 0.08 89.66 15:00:01 0 9.87 0.00 0.49 0.02 0.07 89.55 15:00:01 1 9.75 0.00 0.46 0.02 0.08 89.70 15:00:01 2 9.85 0.00 0.53 0.02 0.08 89.52 15:00:01 3 9.54 0.00 0.49 0.01 0.08 89.88 15:10:01 all 9.61 0.00 0.53 0.02 0.07 89.77 15:10:01 0 8.96 0.00 0.50 0.01 0.07 90.46 15:10:01 1 9.96 0.00 0.54 0.03 0.07 89.40 15:10:01 2 9.60 0.00 0.54 0.02 0.07 89.76 15:10:01 3 9.92 0.00 0.52 0.02 0.07 89.47 15:20:01 all 19.93 0.00 0.74 0.05 0.07 79.21 15:20:01 0 20.26 0.00 0.71 0.08 0.07 78.88 15:20:01 1 19.31 0.00 0.69 0.02 0.08 79.92 15:20:01 2 20.04 0.00 0.78 0.06 0.07 79.05 15:20:01 3 20.10 0.00 0.78 0.04 0.08 79.01 15:30:01 all 11.19 0.00 0.58 0.08 0.07 88.09 15:30:01 0 10.75 0.00 0.52 0.07 0.06 88.61 15:30:01 1 9.84 0.00 0.58 0.04 0.07 89.46 15:30:01 2 12.15 0.00 0.61 0.15 0.07 87.02 15:30:01 3 12.01 0.00 0.60 0.06 0.07 87.26 Average: all 22.60 0.00 0.92 0.05 0.09 76.34 Average: 0 22.72 0.00 0.86 0.05 0.09 76.28 Average: 1 22.14 0.00 0.94 0.03 0.10 76.79 Average: 2 22.89 0.00 0.96 0.07 0.10 75.98 Average: 3 22.66 0.00 0.92 0.03 0.09 76.29