---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-22405 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 711 11485 3 3792 14935 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:4d:4a:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79913sec preferred_lft 79913sec inet6 fe80::f816:3eff:fe4d:4ab0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:36:1e:04:84:75 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::a836:1eff:fe04:8475/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-22405) 03/24/26 _x86_64_ (4 CPU) 21:55:31 LINUX RESTART (4 CPU) 22:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:10 82.37 3.18 75.70 3.49 215.62 31016.55 8797.26 22:20:21 62.14 27.23 32.89 2.02 359.93 1816.41 1552.21 22:30:01 28.93 0.31 12.60 16.03 13.60 624.01 219160.93 22:40:22 16.47 0.02 15.72 0.73 0.61 461.57 460.69 22:50:10 4.88 0.02 4.72 0.15 0.65 117.19 75.01 23:00:01 7.50 0.03 7.16 0.32 2.44 218.37 1715.21 23:10:11 5.17 0.00 5.00 0.16 0.47 144.91 93.63 23:20:22 4.90 0.01 4.76 0.14 0.59 138.28 56.94 23:30:01 9.74 0.03 9.30 0.41 3.99 575.38 99.36 23:40:22 4.59 0.02 4.41 0.16 0.71 142.22 52.65 Average: 22.78 3.13 17.34 2.31 60.61 3565.11 22384.52 22:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:10 266188 7902808 8018020 48.97 258792 7169292 10403304 59.71 2198412 13129080 1868 22:20:21 3537352 6215708 9720796 59.37 265936 2453264 11662308 66.94 2116320 10186800 464 22:30:01 12022304 14816512 1126072 6.88 270548 2564436 1893488 10.87 2168032 1693568 6968 22:40:22 8525164 11370064 4570480 27.91 273716 2611960 5367792 30.81 2175472 5169324 256 22:50:10 12445604 15312652 629432 3.84 274392 2633432 1381640 7.93 2177284 1249784 10412 23:00:01 7080040 9965740 5974068 36.49 275296 2651180 6796920 39.01 2180004 6610076 744 23:10:11 6968040 9872064 6067656 37.06 275868 2668928 6807968 39.08 2183192 6717288 284 23:20:22 8573008 11495788 4444948 27.15 276656 2686896 5280224 30.31 2185796 5108040 144 23:30:01 8266140 11307008 4633516 28.30 280460 2801020 5319748 30.54 2200436 5403148 164 23:40:22 7718940 10782076 5158064 31.50 281044 2822664 5961908 34.22 2211908 5928000 304 Average: 7540278 10904042 5034305 30.75 273271 3106307 6087530 34.94 2179686 6119511 2161 22:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:10 lo 4.09 4.09 4.98 4.98 0.00 0.00 0.00 0.00 22:10:10 ens3 112.30 83.96 1347.65 8.31 0.00 0.00 0.00 0.00 22:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:21 lo 44.64 44.64 24.66 24.66 0.00 0.00 0.00 0.00 22:20:21 ens3 2.21 1.89 0.50 0.43 0.00 0.00 0.00 0.00 22:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 lo 31.35 31.35 11.96 11.96 0.00 0.00 0.00 0.00 22:30:01 ens3 1.40 1.03 0.32 0.99 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:22 lo 15.22 15.22 8.20 8.20 0.00 0.00 0.00 0.00 22:40:22 ens3 1.93 0.80 0.35 0.51 0.00 0.00 0.00 0.00 22:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:10 lo 18.18 18.18 8.82 8.82 0.00 0.00 0.00 0.00 22:50:10 ens3 0.77 0.54 0.15 0.11 0.00 0.00 0.00 0.00 22:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 lo 29.42 29.42 11.54 11.54 0.00 0.00 0.00 0.00 23:00:01 ens3 0.70 0.49 0.17 0.13 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:11 lo 19.65 19.65 10.26 10.26 0.00 0.00 0.00 0.00 23:10:11 ens3 1.18 0.56 0.24 0.14 0.00 0.00 0.00 0.00 23:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:22 lo 11.86 11.86 6.92 6.92 0.00 0.00 0.00 0.00 23:20:22 ens3 0.66 0.40 0.14 0.10 0.00 0.00 0.00 0.00 23:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:01 lo 13.35 13.35 7.10 7.10 0.00 0.00 0.00 0.00 23:30:01 ens3 0.91 0.69 0.25 0.20 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:22 lo 17.05 17.05 6.95 6.95 0.00 0.00 0.00 0.00 23:40:22 ens3 1.13 0.55 0.25 0.16 0.00 0.00 0.00 0.00 23:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.43 20.43 10.14 10.14 0.00 0.00 0.00 0.00 Average: ens3 12.47 9.20 136.73 1.12 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-22405) 03/24/26 _x86_64_ (4 CPU) 21:55:31 LINUX RESTART (4 CPU) 22:00:00 CPU %user %nice %system %iowait %steal %idle 22:10:10 all 45.03 0.00 2.02 0.45 0.09 52.41 22:10:10 0 42.66 0.00 1.85 0.59 0.09 54.81 22:10:10 1 45.58 0.00 2.26 0.62 0.09 51.45 22:10:10 2 48.39 0.00 2.12 0.23 0.09 49.16 22:10:10 3 43.50 0.00 1.84 0.36 0.09 54.21 22:20:21 all 56.31 0.00 2.10 0.11 0.12 41.36 22:20:21 0 57.55 0.00 1.90 0.06 0.12 40.38 22:20:21 1 55.19 0.00 2.41 0.19 0.12 42.09 22:20:21 2 55.78 0.00 2.09 0.12 0.11 41.88 22:20:21 3 56.72 0.00 1.99 0.08 0.12 41.09 22:30:01 all 20.56 0.00 0.92 0.06 0.10 78.36 22:30:01 0 20.95 0.00 0.92 0.03 0.10 78.00 22:30:01 1 20.42 0.00 0.94 0.04 0.10 78.50 22:30:01 2 19.99 0.00 0.98 0.11 0.10 78.83 22:30:01 3 20.87 0.00 0.82 0.08 0.10 78.13 22:40:22 all 27.51 0.00 0.84 0.05 0.09 71.51 22:40:22 0 26.58 0.00 0.76 0.02 0.08 72.55 22:40:22 1 27.50 0.00 0.80 0.04 0.09 71.57 22:40:22 2 28.21 0.00 0.88 0.07 0.09 70.75 22:40:22 3 27.76 0.00 0.92 0.06 0.09 71.17 22:50:10 all 8.01 0.00 0.31 0.02 0.08 91.58 22:50:10 0 7.99 0.00 0.31 0.02 0.07 91.61 22:50:10 1 7.82 0.00 0.27 0.02 0.08 91.81 22:50:10 2 8.25 0.00 0.35 0.01 0.08 91.32 22:50:10 3 7.97 0.00 0.31 0.03 0.09 91.60 23:00:01 all 16.74 0.00 0.59 0.03 0.08 82.55 23:00:01 0 16.98 0.00 0.48 0.01 0.08 82.45 23:00:01 1 17.13 0.00 0.52 0.03 0.08 82.23 23:00:01 2 16.17 0.00 0.68 0.06 0.09 83.01 23:00:01 3 16.68 0.00 0.69 0.01 0.09 82.53 23:10:11 all 11.25 0.00 0.49 0.02 0.08 88.16 23:10:11 0 11.01 0.00 0.51 0.02 0.08 88.39 23:10:11 1 11.09 0.00 0.43 0.04 0.08 88.35 23:10:11 2 11.88 0.00 0.43 0.01 0.09 87.58 23:10:11 3 11.02 0.00 0.57 0.01 0.08 88.32 23:20:22 all 7.20 0.00 0.38 0.02 0.08 92.32 23:20:22 0 7.11 0.00 0.35 0.02 0.08 92.43 23:20:22 1 7.23 0.00 0.41 0.02 0.08 92.26 23:20:22 2 7.19 0.00 0.36 0.01 0.09 92.36 23:20:22 3 7.26 0.00 0.41 0.03 0.09 92.23 23:30:01 all 14.27 0.00 0.54 0.04 0.09 85.07 23:30:01 0 14.34 0.00 0.54 0.03 0.08 85.00 23:30:01 1 13.78 0.00 0.44 0.02 0.09 85.68 23:30:01 2 14.10 0.00 0.60 0.02 0.09 85.19 23:30:01 3 14.85 0.00 0.59 0.07 0.09 84.41 23:40:22 all 8.76 0.00 0.34 0.02 0.08 90.81 23:40:22 0 9.10 0.00 0.41 0.02 0.08 90.38 23:40:22 1 8.51 0.00 0.39 0.01 0.09 91.01 23:40:22 2 8.79 0.00 0.28 0.02 0.07 90.85 23:40:22 3 8.64 0.00 0.28 0.01 0.08 90.99 Average: all 21.68 0.00 0.86 0.08 0.09 77.29 Average: 0 21.54 0.00 0.81 0.08 0.09 77.49 Average: 1 21.54 0.00 0.89 0.10 0.09 77.38 Average: 2 22.00 0.00 0.88 0.07 0.09 76.96 Average: 3 21.65 0.00 0.85 0.07 0.09 77.34