---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1423 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 60G 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 723 11577 3 3688 14923 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:e3:81:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79331sec preferred_lft 79331sec inet6 fe80::f816:3eff:fee3:8105/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:82:65:b0:3b:6e 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::f482:65ff:feb0:3b6e/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-1423) 04/09/26 _x86_64_ (4 CPU) 06:10:11 LINUX RESTART (4 CPU) 06:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:17 73.60 25.94 45.46 2.20 418.40 4942.17 1876.86 06:40:04 17.93 7.11 10.21 0.61 136.56 368.26 716.10 06:50:18 7.26 0.16 6.74 0.35 9.43 224.73 586.24 07:00:03 19.02 0.10 18.11 0.82 2.06 807.19 763.09 07:10:02 11.05 0.01 10.54 0.51 0.91 336.72 583.73 07:20:02 4.53 0.01 4.35 0.16 0.49 127.63 54.21 07:30:19 2.27 0.02 2.24 0.02 0.65 40.21 0.18 07:40:20 23.79 0.09 7.40 16.30 2.72 248.67 210793.65 07:50:02 6.31 0.00 6.13 0.17 0.15 174.96 42.23 08:00:02 9.34 0.23 8.72 0.39 7.82 572.48 327.35 Average: 17.60 3.41 12.03 2.16 58.60 792.91 21597.58 06:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:17 4539564 6963608 8971396 54.79 266368 2215512 10980460 63.03 1880988 9453124 4024 06:40:04 7564552 10054360 5883296 35.93 268048 2279448 7008116 40.23 1937148 6354432 436 06:50:18 7182888 9692080 6247556 38.16 268928 2297952 7063140 40.54 1944324 6761824 468 07:00:03 12110784 14769384 1173152 7.17 274628 2441544 1936636 11.12 1994808 1786072 11652 07:10:02 8885488 11582492 4358296 26.62 276336 2478344 5187596 29.78 1998216 5007900 396 07:20:02 8699768 11413888 4526552 27.65 276856 2494956 5316252 30.52 1999488 5192740 600 07:30:19 8634584 11351900 4588460 28.02 277076 2497940 5307916 30.47 1999896 5246664 248 07:40:20 7547096 10308148 5632044 34.40 279904 2538844 6564956 37.68 2011500 6322288 460 07:50:02 9073096 11856968 4084460 24.95 280488 2561092 5047704 28.97 2013888 4809888 476 08:00:02 8414880 11326352 4614428 28.18 284588 2684152 5246528 30.12 2029556 5447496 308 Average: 8265270 10931918 5007964 30.59 275322 2448978 5965930 34.24 1980981 5638243 1907 06:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:17 lo 38.54 38.54 22.59 22.59 0.00 0.00 0.00 0.00 06:30:17 ens3 2.09 2.04 0.44 1.50 0.00 0.00 0.00 0.00 06:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:04 lo 33.18 33.18 13.95 13.95 0.00 0.00 0.00 0.00 06:40:04 ens3 1.04 0.90 0.24 0.19 0.00 0.00 0.00 0.00 06:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:18 lo 12.12 12.12 7.13 7.13 0.00 0.00 0.00 0.00 06:50:18 ens3 0.60 0.42 0.13 0.09 0.00 0.00 0.00 0.00 06:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:03 lo 12.68 12.68 5.84 5.84 0.00 0.00 0.00 0.00 07:00:03 ens3 1.55 0.99 0.52 0.38 0.00 0.00 0.00 0.00 07:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:02 lo 14.12 14.12 7.82 7.82 0.00 0.00 0.00 0.00 07:10:02 ens3 0.73 0.51 0.16 0.12 0.00 0.00 0.00 0.00 07:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:02 lo 19.65 19.65 8.57 8.57 0.00 0.00 0.00 0.00 07:20:02 ens3 1.02 0.66 0.28 0.20 0.00 0.00 0.00 0.00 07:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:19 lo 16.88 16.88 5.45 5.45 0.00 0.00 0.00 0.00 07:30:19 ens3 0.30 0.17 0.06 0.03 0.00 0.00 0.00 0.00 07:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:20 lo 18.04 18.04 10.44 10.44 0.00 0.00 0.00 0.00 07:40:20 ens3 0.68 0.54 0.14 0.11 0.00 0.00 0.00 0.00 07:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:02 lo 17.36 17.36 9.00 9.00 0.00 0.00 0.00 0.00 07:50:02 ens3 0.74 0.51 0.19 0.14 0.00 0.00 0.00 0.00 07:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:02 lo 19.14 19.14 10.49 10.49 0.00 0.00 0.00 0.00 08:00:02 ens3 1.04 0.87 0.31 0.25 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.18 20.18 10.14 10.14 0.00 0.00 0.00 0.00 Average: ens3 0.98 0.76 0.25 0.30 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-1423) 04/09/26 _x86_64_ (4 CPU) 06:10:11 LINUX RESTART (4 CPU) 06:20:03 CPU %user %nice %system %iowait %steal %idle 06:30:17 all 55.79 0.00 2.13 0.09 0.11 41.88 06:30:17 0 55.50 0.00 2.16 0.12 0.11 42.10 06:30:17 1 55.45 0.00 2.33 0.10 0.11 42.02 06:30:17 2 56.16 0.00 2.07 0.06 0.11 41.61 06:30:17 3 56.05 0.00 1.98 0.06 0.11 41.80 06:40:04 all 23.34 0.00 0.98 0.07 0.09 75.52 06:40:04 0 23.54 0.00 0.87 0.02 0.09 75.48 06:40:04 1 22.87 0.00 1.06 0.10 0.09 75.88 06:40:04 2 23.61 0.00 0.91 0.08 0.09 75.31 06:40:04 3 23.33 0.00 1.10 0.07 0.09 75.41 06:50:18 all 15.86 0.00 0.68 0.03 0.07 83.36 06:50:18 0 15.70 0.00 0.67 0.04 0.07 83.51 06:50:18 1 16.02 0.00 0.67 0.02 0.08 83.21 06:50:18 2 16.21 0.00 0.66 0.02 0.07 83.03 06:50:18 3 15.49 0.00 0.72 0.04 0.07 83.68 07:00:03 all 26.83 0.00 0.92 0.07 0.08 72.10 07:00:03 0 26.11 0.00 0.87 0.03 0.08 72.92 07:00:03 1 26.85 0.00 0.94 0.14 0.08 71.99 07:00:03 2 27.25 0.00 1.10 0.07 0.08 71.51 07:00:03 3 27.11 0.00 0.77 0.03 0.08 72.01 07:10:02 all 18.68 0.00 0.64 0.06 0.07 80.55 07:10:02 0 18.02 0.00 0.60 0.08 0.07 81.23 07:10:02 1 18.65 0.00 0.59 0.08 0.07 80.60 07:10:02 2 18.95 0.00 0.71 0.04 0.07 80.23 07:10:02 3 19.11 0.00 0.67 0.03 0.07 80.11 07:20:02 all 9.00 0.00 0.37 0.02 0.06 90.55 07:20:02 0 9.08 0.00 0.34 0.01 0.06 90.51 07:20:02 1 8.51 0.00 0.39 0.04 0.07 91.00 07:20:02 2 9.02 0.00 0.37 0.01 0.06 90.54 07:20:02 3 9.37 0.00 0.37 0.04 0.06 90.16 07:30:19 all 2.09 0.00 0.22 0.01 0.07 97.61 07:30:19 0 2.11 0.00 0.18 0.01 0.06 97.64 07:30:19 1 2.25 0.00 0.26 0.02 0.07 97.40 07:30:19 2 2.14 0.00 0.23 0.00 0.07 97.56 07:30:19 3 1.84 0.00 0.23 0.01 0.07 97.84 07:40:20 all 16.93 0.00 0.61 0.45 0.07 81.93 07:40:20 0 16.79 0.00 0.51 0.12 0.07 82.51 07:40:20 1 17.22 0.00 0.73 0.34 0.08 81.63 07:40:20 2 16.86 0.00 0.66 0.83 0.07 81.57 07:40:20 3 16.87 0.00 0.55 0.52 0.07 82.00 07:50:02 all 8.85 0.00 0.45 0.47 0.07 90.16 07:50:02 0 9.04 0.00 0.35 0.22 0.06 90.34 07:50:02 1 9.17 0.00 0.52 0.57 0.07 89.66 07:50:02 2 8.47 0.00 0.45 0.60 0.07 90.41 07:50:02 3 8.73 0.00 0.48 0.51 0.07 90.22 08:00:02 all 16.80 0.00 0.74 0.05 0.07 82.34 08:00:02 0 16.23 0.00 0.71 0.04 0.07 82.96 08:00:02 1 16.34 0.00 0.68 0.11 0.07 82.79 08:00:02 2 18.06 0.00 0.91 0.04 0.07 80.91 08:00:02 3 16.55 0.00 0.64 0.02 0.07 82.72 Average: all 19.44 0.00 0.78 0.13 0.08 79.57 Average: 0 19.24 0.00 0.73 0.07 0.07 79.89 Average: 1 19.36 0.00 0.82 0.15 0.08 79.59 Average: 2 19.70 0.00 0.81 0.17 0.08 79.24 Average: 3 19.47 0.00 0.75 0.13 0.08 79.57