---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54549 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 713 10946 4 4329 14933 Swap: 1023 1 1022 ---> 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:6c:30:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79309sec preferred_lft 79309sec inet6 fe80::f816:3eff:fe6c:3003/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:1b:e0:18:1d:6b 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::a01b:e0ff:fe18:1d6b/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-54549) 03/31/26 _x86_64_ (4 CPU) 10:33:16 LINUX RESTART (4 CPU) 10:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:02 77.11 1.81 71.47 3.82 116.64 27175.74 11129.96 11:00:03 56.78 22.91 32.16 1.70 283.86 1792.70 975.40 11:10:33 38.24 11.63 10.98 15.63 142.12 352.84 202668.85 11:20:03 11.72 0.03 11.18 0.51 1.52 604.46 669.74 11:30:04 13.63 0.01 13.05 0.57 0.53 397.53 283.36 11:40:03 6.94 0.02 6.63 0.28 1.41 198.60 143.49 11:50:03 7.20 0.01 6.88 0.31 1.21 233.11 141.03 12:00:03 2.74 0.01 2.72 0.01 0.33 48.17 0.07 12:10:03 5.24 0.00 5.07 0.17 0.31 147.31 107.41 12:20:33 12.17 0.04 11.65 0.48 4.17 652.20 341.63 12:30:03 6.00 0.02 5.80 0.19 0.63 188.85 208.89 Average: 21.77 3.37 16.17 2.22 50.93 2890.60 20627.47 10:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:02 1749704 10110388 5810312 35.49 260152 7881080 7782580 44.67 2177340 11664004 4352 11:00:03 7715160 10816420 5118984 31.26 270672 2844388 5891132 33.82 2113784 6013312 2460 11:10:33 2696728 5877984 10056124 61.42 276760 2911240 10836864 62.20 2168000 10946552 932 11:20:03 8119828 11415132 4522996 27.62 281168 3015776 5355928 30.74 2205024 5506568 352 11:30:04 11954340 15313456 625908 3.82 283100 3077760 1387540 7.96 2210756 1678220 11292 11:40:03 7831344 11206660 4731504 28.90 284084 3092780 5503892 31.59 2213028 5782092 336 11:50:03 6658044 10067536 5870084 35.85 285032 3126000 6711712 38.53 2216272 6956776 416 12:00:03 6389496 9801516 6135708 37.47 285384 3128144 6848264 39.31 2216764 7220056 364 12:10:03 6456112 9888336 6049028 36.95 286228 3147488 6871772 39.44 2220424 7151028 388 12:20:33 7818736 11403028 4535064 27.70 290780 3288116 5291904 30.38 2237508 5770528 216 12:30:03 6884776 10495852 5441624 33.24 291340 3314288 6087760 34.94 2248492 6689056 284 Average: 6752206 10581483 5354303 32.70 281336 3529733 6233577 35.78 2202490 6852563 1945 10:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:02 lo 4.01 4.01 5.03 5.03 0.00 0.00 0.00 0.00 10:50:02 ens3 38.57 28.48 644.78 3.07 0.00 0.00 0.00 0.00 10:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:03 lo 45.59 45.59 24.84 24.84 0.00 0.00 0.00 0.00 11:00:03 ens3 2.24 2.12 0.50 0.45 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:33 lo 30.21 30.21 13.58 13.58 0.00 0.00 0.00 0.00 11:10:33 ens3 2.02 0.83 0.40 0.22 0.00 0.00 0.00 0.00 11:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:03 lo 14.16 14.16 6.22 6.22 0.00 0.00 0.00 0.00 11:20:03 ens3 1.12 0.91 0.30 0.24 0.00 0.00 0.00 0.00 11:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:04 lo 8.59 8.59 5.37 5.37 0.00 0.00 0.00 0.00 11:30:04 ens3 0.94 0.90 0.15 0.83 0.00 0.00 0.00 0.00 11:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:03 lo 19.78 19.78 9.32 9.32 0.00 0.00 0.00 0.00 11:40:03 ens3 1.36 0.93 0.26 0.91 0.00 0.00 0.00 0.00 11:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:03 lo 28.67 28.67 11.44 11.44 0.00 0.00 0.00 0.00 11:50:03 ens3 0.81 0.47 0.18 0.12 0.00 0.00 0.00 0.00 11:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:03 lo 14.89 14.89 6.38 6.38 0.00 0.00 0.00 0.00 12:00:03 ens3 0.78 0.47 0.20 0.15 0.00 0.00 0.00 0.00 12:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:03 lo 11.65 11.65 7.50 7.50 0.00 0.00 0.00 0.00 12:10:03 ens3 1.12 0.47 0.25 0.16 0.00 0.00 0.00 0.00 12:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:33 lo 19.39 19.39 10.79 10.79 0.00 0.00 0.00 0.00 12:20:33 ens3 1.11 0.82 0.30 0.23 0.00 0.00 0.00 0.00 12:20:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:03 lo 31.05 31.05 12.30 12.30 0.00 0.00 0.00 0.00 12:30:03 ens3 0.95 0.66 0.22 0.17 0.00 0.00 0.00 0.00 12:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.75 20.75 10.28 10.28 0.00 0.00 0.00 0.00 Average: ens3 4.64 3.37 58.85 0.59 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-54549) 03/31/26 _x86_64_ (4 CPU) 10:33:16 LINUX RESTART (4 CPU) 10:40:02 CPU %user %nice %system %iowait %steal %idle 10:50:02 all 34.83 0.00 1.69 16.98 0.09 46.40 10:50:02 0 34.13 0.00 1.67 18.34 0.10 45.77 10:50:02 1 36.77 0.00 1.86 13.64 0.10 47.63 10:50:02 2 34.53 0.00 1.56 14.86 0.09 48.96 10:50:02 3 33.90 0.00 1.66 21.10 0.09 43.25 11:00:03 all 59.58 0.00 2.29 0.10 0.15 37.89 11:00:03 0 59.00 0.00 2.35 0.12 0.15 38.38 11:00:03 1 60.54 0.00 2.28 0.07 0.15 36.97 11:00:03 2 59.52 0.00 2.33 0.08 0.15 37.92 11:00:03 3 59.29 0.00 2.19 0.11 0.14 38.28 11:10:33 all 28.66 0.07 1.15 0.12 0.11 69.88 11:10:33 0 28.50 0.10 1.04 0.15 0.11 70.10 11:10:33 1 28.75 0.00 1.15 0.08 0.11 69.91 11:10:33 2 29.00 0.09 1.18 0.06 0.11 69.56 11:10:33 3 28.39 0.09 1.24 0.21 0.11 69.96 11:20:03 all 18.87 0.00 0.96 0.14 0.09 79.95 11:20:03 0 18.66 0.00 1.01 0.04 0.09 80.20 11:20:03 1 18.43 0.00 1.02 0.34 0.09 80.13 11:20:03 2 18.86 0.00 1.00 0.07 0.09 79.98 11:20:03 3 19.52 0.00 0.80 0.10 0.09 79.49 11:30:04 all 20.34 0.00 0.78 0.06 0.07 78.75 11:30:04 0 20.36 0.00 0.74 0.04 0.07 78.79 11:30:04 1 20.51 0.00 0.74 0.06 0.08 78.62 11:30:04 2 20.59 0.00 0.86 0.03 0.07 78.45 11:30:04 3 19.92 0.00 0.78 0.10 0.06 79.13 11:40:03 all 13.90 0.00 0.53 0.02 0.07 85.47 11:40:03 0 13.56 0.00 0.59 0.01 0.08 85.77 11:40:03 1 13.90 0.00 0.43 0.01 0.08 85.59 11:40:03 2 14.34 0.00 0.54 0.03 0.07 85.02 11:40:03 3 13.82 0.00 0.56 0.04 0.08 85.50 11:50:03 all 15.06 0.00 0.61 0.03 0.08 84.22 11:50:03 0 15.15 0.00 0.67 0.02 0.08 84.09 11:50:03 1 15.13 0.00 0.60 0.02 0.08 84.18 11:50:03 2 14.79 0.00 0.66 0.01 0.08 84.46 11:50:03 3 15.20 0.00 0.52 0.06 0.07 84.14 12:00:03 all 2.82 0.00 0.19 0.01 0.07 96.91 12:00:03 0 2.69 0.00 0.21 0.00 0.07 97.03 12:00:03 1 3.36 0.00 0.17 0.01 0.07 96.39 12:00:03 2 2.71 0.00 0.19 0.01 0.08 97.00 12:00:03 3 2.52 0.00 0.17 0.02 0.06 97.23 12:10:03 all 9.33 0.00 0.37 0.02 0.08 90.21 12:10:03 0 9.26 0.00 0.40 0.01 0.07 90.27 12:10:03 1 9.29 0.00 0.35 0.04 0.08 90.23 12:10:03 2 10.25 0.00 0.41 0.00 0.08 89.27 12:10:03 3 8.52 0.00 0.32 0.02 0.07 91.07 12:20:33 all 18.87 0.00 0.73 0.04 0.09 80.28 12:20:33 0 19.20 0.00 0.71 0.02 0.09 79.99 12:20:33 1 18.75 0.00 0.69 0.02 0.09 80.46 12:20:33 2 18.96 0.00 0.82 0.05 0.09 80.08 12:20:33 3 18.56 0.00 0.69 0.07 0.08 80.60 12:30:03 all 10.63 0.00 0.43 0.04 0.07 88.83 12:30:03 0 9.91 0.00 0.43 0.01 0.06 89.60 12:30:03 1 10.61 0.00 0.43 0.04 0.07 88.86 12:30:03 2 11.18 0.00 0.48 0.03 0.08 88.23 12:30:03 3 10.82 0.00 0.39 0.08 0.07 88.64 Average: CPU %user %nice %system %iowait %steal %idle Average: all 21.25 0.01 0.89 1.60 0.09 76.17 Average: 0 21.03 0.01 0.89 1.71 0.09 76.27 Average: 1 21.54 0.00 0.89 1.30 0.09 76.18 Average: 2 21.42 0.01 0.91 1.38 0.09 76.19 Average: 3 21.02 0.01 0.85 1.99 0.08 76.04