---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4540 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 702 10867 3 4419 14944 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:10:30:ec 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 80353sec preferred_lft 80353sec inet6 fe80::f816:3eff:fe10:30ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:f0:6a:9e:6c:52 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-4540) 01/26/26 _x86_64_ (4 CPU) 12:05:00 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:05 100.03 3.55 92.13 4.35 585.72 31701.03 21189.69 12:30:05 46.60 20.73 24.47 1.40 180.09 1568.60 1033.68 12:40:05 37.15 0.23 20.73 16.19 8.24 811.40 211628.66 12:50:14 8.48 0.00 8.07 0.40 0.35 225.79 210.17 13:00:13 5.12 0.01 4.92 0.19 0.45 128.19 43.53 13:10:14 4.71 0.02 4.50 0.19 1.17 122.95 264.39 13:20:01 4.76 0.02 4.55 0.19 1.01 131.53 59.40 13:30:14 8.62 0.09 8.14 0.38 2.67 503.55 131.34 13:40:14 7.58 0.02 7.26 0.30 0.91 253.31 311.36 Average: 24.82 2.74 19.47 2.62 87.00 3955.26 26021.46 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:05 1869292 6383096 9543184 58.29 261504 4141668 12079660 69.34 2240256 11578952 73840 12:30:05 7888724 11376136 4556408 27.83 266972 3194668 5268864 30.24 2233612 5663868 20748 12:40:05 10803620 14410996 1525424 9.32 274268 3307280 2828124 16.23 2282380 2728144 8172 12:50:14 7796000 11423744 4511364 27.55 275608 3326332 5218708 29.96 2285156 5716916 260 13:00:13 7732080 11374516 4560660 27.85 276252 3340360 5198320 29.84 2286520 5774024 140 13:10:14 6166776 9823912 6110516 37.32 276728 3354584 6784088 38.94 2288528 7332420 140 13:20:01 6070712 9744448 6189964 37.81 277220 3370688 6911000 39.67 2291560 7436252 348 13:30:14 7516968 11305592 4629552 28.28 281044 3477512 5306688 30.46 2300156 5981812 60 13:40:14 6756088 10585028 5349616 32.67 281976 3516768 5996988 34.42 2319048 6722568 272 Average: 6955584 10714163 5219632 31.88 274619 3447762 6176938 35.46 2280802 6548328 11553 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:05 lo 14.08 14.08 12.31 12.31 0.00 0.00 0.00 0.00 12:20:05 ens3 80.13 60.78 1149.58 6.16 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:05 lo 43.64 43.64 20.43 20.43 0.00 0.00 0.00 0.00 12:30:05 ens3 1.91 1.56 0.38 0.34 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 12:40:05 lo 23.22 23.22 9.57 9.57 0.00 0.00 0.00 0.00 12:40:05 ens3 1.48 1.13 0.36 1.16 0.00 0.00 0.00 0.00 12:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:14 lo 19.81 19.81 10.48 10.48 0.00 0.00 0.00 0.00 12:50:14 ens3 0.86 0.63 0.18 0.14 0.00 0.00 0.00 0.00 12:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:13 lo 28.60 28.60 10.09 10.09 0.00 0.00 0.00 0.00 13:00:13 ens3 0.71 0.44 0.17 0.12 0.00 0.00 0.00 0.00 13:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:14 lo 15.00 15.00 7.75 7.75 0.00 0.00 0.00 0.00 13:10:14 ens3 0.65 0.45 0.14 0.11 0.00 0.00 0.00 0.00 13:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 16.37 16.37 10.01 10.01 0.00 0.00 0.00 0.00 13:20:01 ens3 0.76 0.53 0.17 0.12 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 13:30:14 lo 14.05 14.05 7.84 7.84 0.00 0.00 0.00 0.00 13:30:14 ens3 0.95 0.68 0.30 0.23 0.00 0.00 0.00 0.00 13:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:14 lo 27.41 27.41 11.46 11.46 0.00 0.00 0.00 0.00 13:40:14 ens3 1.18 0.78 0.31 0.23 0.00 0.00 0.00 0.00 13:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.44 22.44 11.10 11.10 0.00 0.00 0.00 0.00 Average: ens3 9.89 7.47 128.56 0.96 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-4540) 01/26/26 _x86_64_ (4 CPU) 12:05:00 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:05 all 54.98 0.00 2.63 0.63 0.10 41.65 12:20:05 0 56.81 0.00 2.74 0.70 0.10 39.64 12:20:05 1 54.60 0.00 2.66 0.43 0.11 42.21 12:20:05 2 55.27 0.00 2.38 0.38 0.09 41.88 12:20:05 3 53.26 0.00 2.76 1.00 0.10 42.87 12:30:05 all 42.24 0.00 1.62 0.07 0.11 55.96 12:30:05 0 41.95 0.00 1.68 0.13 0.11 56.13 12:30:05 1 42.98 0.00 1.54 0.03 0.11 55.33 12:30:05 2 41.20 0.00 1.76 0.08 0.10 56.85 12:30:05 3 42.83 0.00 1.49 0.06 0.10 55.51 12:40:05 all 32.91 0.00 1.38 0.09 0.10 65.52 12:40:05 0 32.55 0.00 1.34 0.03 0.09 65.98 12:40:05 1 32.55 0.00 1.41 0.05 0.10 65.89 12:40:05 2 32.47 0.00 1.40 0.24 0.10 65.79 12:40:05 3 34.06 0.00 1.39 0.03 0.10 64.42 12:50:14 all 15.57 0.00 0.69 0.03 0.08 83.63 12:50:14 0 15.49 0.00 0.52 0.02 0.08 83.89 12:50:14 1 15.43 0.00 0.75 0.04 0.08 83.70 12:50:14 2 15.34 0.00 0.63 0.07 0.08 83.88 12:50:14 3 16.02 0.00 0.84 0.00 0.08 83.06 13:00:13 all 8.17 0.00 0.42 0.02 0.07 91.32 13:00:13 0 8.31 0.00 0.37 0.01 0.07 91.24 13:00:13 1 8.44 0.00 0.45 0.06 0.08 90.97 13:00:13 2 7.46 0.00 0.45 0.02 0.07 92.01 13:00:13 3 8.45 0.00 0.43 0.01 0.07 91.05 13:10:14 all 8.96 0.00 0.39 0.02 0.08 90.55 13:10:14 0 8.71 0.00 0.41 0.06 0.08 90.74 13:10:14 1 8.94 0.00 0.34 0.01 0.07 90.63 13:10:14 2 8.64 0.00 0.34 0.03 0.08 90.91 13:10:14 3 9.52 0.00 0.46 0.00 0.08 89.94 13:20:01 all 9.52 0.00 0.41 1.18 0.08 88.82 13:20:01 0 9.52 0.00 0.34 0.01 0.07 90.06 13:20:01 1 9.08 0.00 0.43 1.49 0.08 88.92 13:20:01 2 10.17 0.00 0.49 3.18 0.08 86.08 13:20:01 3 9.32 0.00 0.36 0.02 0.08 90.21 13:30:14 all 12.35 0.00 0.54 0.04 0.07 87.00 13:30:14 0 12.03 0.00 0.45 0.01 0.08 87.43 13:30:14 1 12.59 0.00 0.46 0.09 0.07 86.78 13:30:14 2 12.03 0.00 0.57 0.02 0.07 87.31 13:30:14 3 12.75 0.00 0.69 0.03 0.08 86.46 13:40:14 all 14.78 0.00 0.62 0.03 0.08 84.48 13:40:14 0 15.38 0.00 0.68 0.03 0.08 83.83 13:40:14 1 14.45 0.00 0.63 0.02 0.08 84.83 13:40:14 2 14.67 0.00 0.71 0.06 0.08 84.48 13:40:14 3 14.63 0.00 0.48 0.02 0.07 84.79 Average: all 22.18 0.00 0.97 0.23 0.08 76.53 Average: 0 22.33 0.00 0.95 0.11 0.08 76.53 Average: 1 22.14 0.00 0.97 0.24 0.09 76.56 Average: 2 21.93 0.00 0.97 0.44 0.08 76.57 Average: 3 22.33 0.00 0.99 0.13 0.08 76.46