---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3606 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 705 11495 3 3788 14937 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:ad:70:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79997sec preferred_lft 79997sec inet6 fe80::f816:3eff:fead:70fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:e0:5b:0b:2f:a7 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::3ce0:5bff:fe0b:2fa7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-3606) 04/16/26 _x86_64_ (4 CPU) 10:00:32 LINUX RESTART (4 CPU) 10:10:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:16 77.39 23.90 50.26 3.24 367.13 5443.42 3108.38 10:30:33 15.29 3.23 11.44 0.62 56.51 334.17 479.63 10:40:33 16.24 0.18 15.33 0.73 12.85 663.57 833.29 10:50:33 29.47 0.07 13.46 15.95 2.40 385.97 212637.76 11:00:33 4.90 0.03 4.70 0.18 0.59 151.63 125.76 11:10:14 5.14 0.03 4.92 0.19 2.01 138.27 95.91 11:20:33 5.15 0.00 4.99 0.16 0.30 145.48 64.68 11:30:33 5.10 0.00 4.92 0.18 0.13 144.24 45.91 11:40:33 9.13 0.01 8.76 0.36 0.60 532.91 653.53 Average: 18.49 3.00 13.10 2.39 48.38 868.84 24205.15 10:10:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:16 6498456 9192544 6738496 41.16 266404 2467088 7660244 43.97 1990108 7346276 2524 10:30:33 4298472 7027352 8905660 54.39 268044 2500076 9637136 55.32 2036648 9497292 48 10:40:33 10951660 13799956 2137836 13.06 273644 2613912 2916232 16.74 2082836 2847568 352 10:50:33 8576656 11476520 4459900 27.24 276252 2662872 5273208 30.27 2092248 5207128 124 11:00:33 8588372 11502964 4433600 27.08 276924 2676936 5235572 30.05 2093720 5190980 360 11:10:14 7110056 10041504 5894308 36.00 277352 2693368 6715144 38.54 2095888 6653164 556 11:20:33 6982852 9933068 6002620 36.66 277792 2711684 6812480 39.10 2099108 6777696 232 11:30:33 8475800 11445364 4491260 27.43 278548 2730276 5298544 30.41 2101612 5297852 108 11:40:33 8196524 11282160 4654224 28.43 282440 2841128 5258140 30.18 2116044 5548036 488 Average: 7742094 10633492 5301989 32.38 275267 2655260 6089633 34.95 2078690 6040666 532 10:10:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:16 lo 29.25 29.25 19.87 19.87 0.00 0.00 0.00 0.00 10:20:16 ens3 2.11 2.02 0.63 0.55 0.00 0.00 0.00 0.00 10:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:33 lo 37.73 37.73 16.13 16.13 0.00 0.00 0.00 0.00 10:30:33 ens3 1.16 1.01 0.24 0.20 0.00 0.00 0.00 0.00 10:30:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:33 lo 15.37 15.37 6.25 6.25 0.00 0.00 0.00 0.00 10:40:33 ens3 1.00 0.80 0.28 0.23 0.00 0.00 0.00 0.00 10:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:33 lo 19.17 19.17 9.82 9.82 0.00 0.00 0.00 0.00 10:50:33 ens3 0.91 0.84 0.17 1.06 0.00 0.00 0.00 0.00 10:50:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:33 lo 21.04 21.04 8.86 8.86 0.00 0.00 0.00 0.00 11:00:33 ens3 4.18 0.52 0.57 0.12 0.00 0.00 0.00 0.00 11:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:14 lo 19.48 19.48 8.18 8.18 0.00 0.00 0.00 0.00 11:10:14 ens3 2.86 0.40 0.50 0.15 0.00 0.00 0.00 0.00 11:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:33 lo 19.86 19.86 10.42 10.42 0.00 0.00 0.00 0.00 11:20:33 ens3 2.71 0.54 0.40 0.11 0.00 0.00 0.00 0.00 11:20:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:33 lo 11.54 11.54 6.63 6.63 0.00 0.00 0.00 0.00 11:30:33 ens3 2.04 0.39 0.27 0.10 0.00 0.00 0.00 0.00 11:30:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:33 lo 21.34 21.34 10.28 10.28 0.00 0.00 0.00 0.00 11:40:33 ens3 2.73 0.86 0.36 0.23 0.00 0.00 0.00 0.00 11:40:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.68 21.68 10.72 10.72 0.00 0.00 0.00 0.00 Average: ens3 2.19 0.82 0.38 0.31 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-3606) 04/16/26 _x86_64_ (4 CPU) 10:00:32 LINUX RESTART (4 CPU) 10:10:29 CPU %user %nice %system %iowait %steal %idle 10:20:16 all 61.93 0.00 2.43 0.24 0.12 35.27 10:20:16 0 62.34 0.00 2.26 0.20 0.12 35.08 10:20:16 1 62.35 0.00 2.57 0.13 0.12 34.82 10:20:16 2 61.93 0.00 2.52 0.23 0.12 35.20 10:20:16 3 61.12 0.00 2.38 0.40 0.12 35.99 10:30:33 all 26.83 0.00 1.16 0.13 0.09 71.78 10:30:33 0 26.63 0.00 1.06 0.11 0.08 72.12 10:30:33 1 26.87 0.00 1.25 0.13 0.10 71.65 10:30:33 2 26.42 0.00 1.21 0.20 0.10 72.07 10:30:33 3 27.38 0.00 1.14 0.08 0.10 71.29 10:40:33 all 22.40 0.00 0.99 0.22 0.09 76.29 10:40:33 0 21.86 0.00 0.92 0.43 0.09 76.69 10:40:33 1 23.43 0.00 1.01 0.24 0.09 75.22 10:40:33 2 22.63 0.00 1.03 0.17 0.09 76.08 10:40:33 3 21.69 0.00 1.01 0.04 0.09 77.17 10:50:33 all 24.99 0.00 0.90 0.12 0.08 73.91 10:50:33 0 25.14 0.00 0.79 0.08 0.08 73.90 10:50:33 1 24.91 0.00 0.89 0.15 0.09 73.95 10:50:33 2 25.69 0.00 0.96 0.15 0.09 73.12 10:50:33 3 24.22 0.00 0.96 0.08 0.08 74.66 11:00:33 all 8.68 0.00 0.46 0.15 0.07 90.63 11:00:33 0 8.50 0.00 0.38 0.05 0.07 91.00 11:00:33 1 8.76 0.00 0.54 0.04 0.08 90.57 11:00:33 2 8.99 0.00 0.49 0.18 0.07 90.27 11:00:33 3 8.48 0.00 0.43 0.33 0.07 90.69 11:10:14 all 9.91 0.00 0.43 0.14 0.07 89.45 11:10:14 0 9.56 0.00 0.46 0.14 0.07 89.77 11:10:14 1 10.10 0.00 0.43 0.31 0.07 89.10 11:10:14 2 9.84 0.00 0.40 0.06 0.07 89.64 11:10:14 3 10.15 0.00 0.44 0.07 0.07 89.29 11:20:33 all 10.49 0.00 0.51 0.12 0.07 88.80 11:20:33 0 10.08 0.00 0.44 0.06 0.07 89.36 11:20:33 1 10.73 0.00 0.57 0.07 0.07 88.55 11:20:33 2 10.73 0.00 0.50 0.16 0.07 88.55 11:20:33 3 10.44 0.00 0.53 0.21 0.07 88.75 11:30:33 all 7.28 0.00 0.44 0.06 0.07 92.16 11:30:33 0 7.27 0.00 0.40 0.02 0.07 92.24 11:30:33 1 7.42 0.00 0.46 0.06 0.08 91.99 11:30:33 2 7.52 0.00 0.46 0.10 0.08 91.85 11:30:33 3 6.89 0.00 0.43 0.07 0.06 92.55 11:40:33 all 14.26 0.00 0.51 0.04 0.08 85.11 11:40:33 0 14.94 0.00 0.64 0.04 0.08 84.30 11:40:33 1 13.97 0.00 0.55 0.04 0.08 85.37 11:40:33 2 14.21 0.00 0.42 0.07 0.08 85.22 11:40:33 3 13.91 0.00 0.45 0.01 0.07 85.56 Average: all 20.67 0.00 0.87 0.14 0.08 78.24 Average: 0 20.63 0.00 0.81 0.13 0.08 78.35 Average: 1 20.87 0.00 0.92 0.13 0.09 78.00 Average: 2 20.80 0.00 0.88 0.15 0.08 78.09 Average: 3 20.39 0.00 0.86 0.14 0.08 78.52