---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-415 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 714 10848 3 4425 14931 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:cf:79:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80383sec preferred_lft 80383sec inet6 fe80::f816:3eff:fecf:7998/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:03:ab:ff:00: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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-415) 01/15/26 _x86_64_ (4 CPU) 08:00:39 LINUX RESTART (4 CPU) 08:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:08 71.96 23.18 45.76 3.01 327.76 5273.98 2924.30 08:30:06 6.55 0.12 6.14 0.29 4.27 223.00 1182.86 08:40:02 7.08 0.14 6.50 0.44 7.59 256.22 1043.43 08:50:08 21.50 0.02 20.57 0.91 1.07 879.65 1477.74 09:00:08 7.11 0.01 6.79 0.30 0.65 208.92 697.01 09:10:08 19.72 12.07 7.41 0.24 145.19 196.05 301.29 09:20:08 5.48 0.01 5.16 0.31 1.07 213.93 131.73 09:30:08 2.74 0.00 2.73 0.00 0.00 47.11 0.04 09:40:02 26.90 1.53 8.96 16.40 111.74 575.32 213211.41 Average: 18.82 4.13 12.26 2.42 66.66 878.08 24320.47 08:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:08 5165264 8467608 7467588 45.61 259744 3029608 8548136 49.07 2117468 8494504 236 08:30:06 11279928 14598796 1340080 8.18 260512 3045416 2095768 12.03 2143064 2407372 5720 08:40:02 11898016 15314928 623976 3.81 264280 3139156 1342832 7.71 2164084 1754140 83236 08:50:08 9471380 12969456 2968720 18.13 267836 3216668 3730384 21.41 2189164 4158080 244 09:00:08 7955712 11481972 4455064 27.21 268956 3243712 5214272 29.93 2191344 5668968 220 09:10:08 10206080 13826000 2112268 12.90 275356 3318588 3439220 19.74 2235316 3371496 17164 09:20:08 6444560 10085208 5850972 35.74 276152 3338428 6655776 38.20 2238948 7109716 296 09:30:08 6184300 9827064 6108856 37.31 276360 3340328 6866716 39.41 2239216 7370656 76 09:40:02 11216420 15328792 609568 3.72 282772 3789572 1226116 7.04 2299904 2261020 299300 Average: 8869073 12433314 3504121 21.40 270219 3273497 4346580 24.95 2202056 4732884 45166 08:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:08 lo 693.71 693.71 364.98 364.98 0.00 0.00 0.00 0.00 08:20:08 ens3 2.08 1.99 0.63 1.50 0.00 0.00 0.00 0.00 08:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:06 lo 149.57 149.57 83.15 83.15 0.00 0.00 0.00 0.00 08:30:06 ens3 1.37 1.13 0.34 0.55 0.00 0.00 0.00 0.00 08:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:02 lo 11.82 11.82 7.01 7.01 0.00 0.00 0.00 0.00 08:40:02 ens3 0.92 0.58 0.34 0.24 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:08 lo 12.46 12.46 7.21 7.21 0.00 0.00 0.00 0.00 08:50:08 ens3 0.96 0.80 0.22 0.17 0.00 0.00 0.00 0.00 08:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:08 lo 20.04 20.04 9.67 9.67 0.00 0.00 0.00 0.00 09:00:08 ens3 0.75 0.71 0.18 0.15 0.00 0.00 0.00 0.00 09:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:08 lo 28.12 28.12 9.83 9.83 0.00 0.00 0.00 0.00 09:10:08 ens3 0.82 0.58 0.24 0.17 0.00 0.00 0.00 0.00 09:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:08 lo 20.46 20.46 11.37 11.37 0.00 0.00 0.00 0.00 09:20:08 ens3 0.98 0.70 0.21 0.16 0.00 0.00 0.00 0.00 09:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:08 lo 14.05 14.05 7.70 7.70 0.00 0.00 0.00 0.00 09:30:08 ens3 0.63 0.39 0.17 0.11 0.00 0.00 0.00 0.00 09:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:02 lo 238.71 238.71 103.50 103.50 0.00 0.00 0.00 0.00 09:40:02 ens3 1.67 1.33 0.74 0.50 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 132.19 132.19 67.23 67.23 0.00 0.00 0.00 0.00 Average: ens3 1.13 0.91 0.34 0.40 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-415) 01/15/26 _x86_64_ (4 CPU) 08:00:39 LINUX RESTART (4 CPU) 08:10:06 CPU %user %nice %system %iowait %steal %idle 08:20:08 all 69.60 0.00 3.23 0.12 0.12 26.93 08:20:08 0 68.75 0.00 3.51 0.09 0.12 27.53 08:20:08 1 68.52 0.00 3.31 0.09 0.12 27.97 08:20:08 2 71.09 0.00 3.14 0.12 0.12 25.54 08:20:08 3 70.04 0.00 2.95 0.20 0.12 26.69 08:30:06 all 14.76 0.00 0.93 0.04 0.12 84.16 08:30:06 0 14.05 0.00 0.94 0.01 0.12 84.88 08:30:06 1 13.93 0.00 0.94 0.13 0.12 84.89 08:30:06 2 16.46 0.00 0.94 0.01 0.12 82.48 08:30:06 3 14.58 0.00 0.91 0.02 0.12 84.37 08:40:02 all 14.70 0.00 0.66 0.05 0.11 84.47 08:40:02 0 13.70 0.00 0.52 0.07 0.10 85.61 08:40:02 1 15.79 0.00 0.70 0.03 0.12 83.36 08:40:02 2 14.19 0.00 0.82 0.04 0.12 84.83 08:40:02 3 15.13 0.00 0.62 0.05 0.11 84.08 08:50:08 all 30.98 0.00 1.04 0.08 0.11 67.79 08:50:08 0 30.21 0.00 1.01 0.13 0.11 68.53 08:50:08 1 31.20 0.00 1.02 0.09 0.12 67.57 08:50:08 2 31.53 0.00 1.01 0.05 0.11 67.30 08:50:08 3 30.97 0.00 1.11 0.03 0.11 67.77 09:00:08 all 13.93 0.00 0.53 0.05 0.11 85.38 09:00:08 0 14.27 0.00 0.57 0.03 0.11 85.03 09:00:08 1 13.30 0.00 0.52 0.04 0.11 86.03 09:00:08 2 13.96 0.00 0.51 0.02 0.12 85.39 09:00:08 3 14.18 0.00 0.54 0.10 0.11 85.06 09:10:08 all 10.79 0.08 0.55 0.09 0.11 88.38 09:10:08 0 10.65 0.00 0.53 0.02 0.11 88.70 09:10:08 1 10.54 0.22 0.55 0.22 0.11 88.36 09:10:08 2 11.02 0.09 0.59 0.10 0.10 88.11 09:10:08 3 10.97 0.00 0.54 0.02 0.11 88.35 09:20:08 all 14.34 0.00 0.69 0.03 0.11 84.84 09:20:08 0 14.46 0.00 0.61 0.02 0.10 84.80 09:20:08 1 14.19 0.00 0.65 0.03 0.11 85.03 09:20:08 2 14.75 0.00 0.74 0.06 0.11 84.34 09:20:08 3 13.94 0.00 0.77 0.01 0.11 85.17 09:30:08 all 2.80 0.00 0.36 0.02 0.11 96.71 09:30:08 0 2.75 0.00 0.33 0.02 0.11 96.80 09:30:08 1 2.92 0.00 0.38 0.01 0.12 96.58 09:30:08 2 2.75 0.00 0.42 0.02 0.12 96.70 09:30:08 3 2.80 0.00 0.31 0.04 0.10 96.75 09:40:02 all 18.40 0.00 1.06 0.09 0.11 80.34 09:40:02 0 17.63 0.00 1.15 0.02 0.10 81.10 09:40:02 1 17.92 0.00 1.02 0.14 0.11 80.81 09:40:02 2 18.99 0.00 1.11 0.05 0.12 79.74 09:40:02 3 19.06 0.00 0.97 0.15 0.11 79.70 Average: all 21.17 0.01 1.01 0.06 0.11 77.64 Average: 0 20.75 0.00 1.02 0.05 0.11 78.08 Average: 1 20.95 0.02 1.01 0.09 0.11 77.81 Average: 2 21.66 0.01 1.03 0.05 0.11 77.14 Average: 3 21.32 0.00 0.97 0.07 0.11 77.53