---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13166 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 709 10876 4 4402 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:3c:d0:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80028sec preferred_lft 80028sec inet6 fe80::f816:3eff:fe3c:d03e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:38:6d:fd:c7:65 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-13166) 02/18/26 _x86_64_ (4 CPU) 06:43:13 LINUX RESTART (4 CPU) 06:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 82.26 24.03 54.84 3.39 345.17 6205.80 3617.49 07:10:04 15.69 0.25 14.64 0.80 12.54 385.67 846.79 07:20:09 7.37 0.10 6.90 0.37 6.31 253.96 454.63 07:30:01 15.74 0.11 14.93 0.70 11.03 695.61 609.17 07:40:09 30.70 0.08 14.27 16.35 2.15 432.93 209043.31 07:50:09 4.83 0.05 4.61 0.18 2.71 132.91 50.32 08:00:01 4.69 0.01 4.51 0.17 1.07 144.15 67.19 08:10:09 4.89 0.01 4.72 0.16 0.40 144.49 88.96 08:20:09 13.19 0.01 12.63 0.55 0.69 664.95 170.84 Average: 19.90 2.72 14.64 2.54 42.22 1002.38 24152.16 06:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 2828188 6146344 9785668 59.77 262268 3037100 11246336 64.55 2063564 10883120 756 07:10:04 8193020 11469652 4463896 27.26 263820 2995056 5189228 29.79 2084860 5518204 5100 07:20:09 6366172 9660524 6274332 38.32 264824 3011968 7031700 40.36 2090684 7345948 384 07:30:01 10254528 13675592 2261764 13.81 269952 3133592 2980952 17.11 2129664 3438220 76 07:40:09 7875004 11359416 4576512 27.95 272348 3194556 5273180 30.27 2139440 5787160 44 07:50:09 7945892 11448108 4487800 27.41 272908 3211796 5187436 29.78 2141424 5700968 372 08:00:01 6369824 9891756 6043272 36.91 273536 3230908 6784808 38.94 2143672 7285492 68 08:10:09 6266884 9808864 6126132 37.42 274064 3250420 6847292 39.30 2146792 7391516 344 08:20:09 7524580 11208512 4727080 28.87 277996 3383448 5344280 30.68 2162820 6119092 128 Average: 7069344 10518752 5416273 33.08 270191 3160983 6209468 35.64 2122547 6607747 808 06:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 24.70 24.70 19.66 19.66 0.00 0.00 0.00 0.00 07:00:01 ens3 2.11 1.86 0.63 0.54 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:04 lo 45.96 45.96 18.75 18.75 0.00 0.00 0.00 0.00 07:10:04 ens3 2.81 1.61 0.72 1.55 0.00 0.00 0.00 0.00 07:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:09 lo 13.61 13.61 7.03 7.03 0.00 0.00 0.00 0.00 07:20:09 ens3 0.85 0.35 0.19 0.12 0.00 0.00 0.00 0.00 07:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 11.40 11.40 5.56 5.56 0.00 0.00 0.00 0.00 07:30:01 ens3 1.13 0.81 0.32 0.24 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:09 lo 19.55 19.55 10.28 10.28 0.00 0.00 0.00 0.00 07:40:09 ens3 1.04 0.73 0.23 0.17 0.00 0.00 0.00 0.00 07:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:09 lo 23.04 23.04 9.10 9.10 0.00 0.00 0.00 0.00 07:50:09 ens3 2.17 0.60 0.40 0.21 0.00 0.00 0.00 0.00 07:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 25.64 25.64 11.24 11.24 0.00 0.00 0.00 0.00 08:00:01 ens3 0.79 0.46 0.16 0.11 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:09 lo 17.51 17.51 10.41 10.41 0.00 0.00 0.00 0.00 08:10:09 ens3 1.03 0.60 0.31 0.22 0.00 0.00 0.00 0.00 08:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:09 lo 18.52 18.52 10.17 10.17 0.00 0.00 0.00 0.00 08:20:09 ens3 3.06 0.93 0.57 0.29 0.00 0.00 0.00 0.00 08:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.22 22.22 11.36 11.36 0.00 0.00 0.00 0.00 Average: ens3 1.66 0.88 0.39 0.39 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-13166) 02/18/26 _x86_64_ (4 CPU) 06:43:13 LINUX RESTART (4 CPU) 06:50:04 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 59.59 0.00 2.17 0.18 0.11 37.95 07:00:01 0 60.32 0.00 2.05 0.13 0.11 37.39 07:00:01 1 59.55 0.00 2.11 0.14 0.11 38.08 07:00:01 2 58.90 0.00 2.41 0.32 0.11 38.27 07:00:01 3 59.59 0.00 2.09 0.15 0.11 38.06 07:10:04 all 31.36 0.00 1.38 0.04 0.11 67.11 07:10:04 0 30.73 0.00 1.43 0.02 0.11 67.71 07:10:04 1 31.19 0.00 1.39 0.03 0.11 67.28 07:10:04 2 31.70 0.00 1.40 0.06 0.11 66.74 07:10:04 3 31.83 0.00 1.29 0.06 0.11 66.71 07:20:09 all 15.58 0.00 0.62 0.03 0.09 83.68 07:20:09 0 16.00 0.00 0.65 0.02 0.08 83.25 07:20:09 1 15.51 0.00 0.61 0.05 0.09 83.73 07:20:09 2 15.01 0.00 0.61 0.03 0.09 84.27 07:20:09 3 15.81 0.00 0.60 0.03 0.09 83.47 07:30:01 all 21.30 0.00 0.74 0.06 0.08 77.82 07:30:01 0 21.08 0.00 0.82 0.03 0.08 78.00 07:30:01 1 21.31 0.00 0.86 0.13 0.09 77.60 07:30:01 2 21.21 0.00 0.56 0.02 0.08 78.13 07:30:01 3 21.60 0.00 0.72 0.05 0.08 77.54 07:40:09 all 23.99 0.00 0.79 0.05 0.09 75.07 07:40:09 0 24.19 0.00 0.74 0.03 0.08 74.95 07:40:09 1 24.34 0.00 0.83 0.07 0.09 74.67 07:40:09 2 23.04 0.00 0.87 0.03 0.09 75.97 07:40:09 3 24.39 0.00 0.74 0.08 0.09 74.70 07:50:09 all 8.19 0.00 0.40 0.03 0.08 91.30 07:50:09 0 8.12 0.00 0.35 0.02 0.08 91.43 07:50:09 1 8.48 0.00 0.45 0.01 0.09 90.98 07:50:09 2 8.23 0.00 0.41 0.02 0.08 91.27 07:50:09 3 7.94 0.00 0.39 0.07 0.08 91.51 08:00:01 all 10.14 0.00 0.40 0.02 0.09 89.34 08:00:01 0 10.00 0.00 0.33 0.02 0.09 89.57 08:00:01 1 10.23 0.00 0.43 0.02 0.09 89.22 08:00:01 2 9.95 0.00 0.45 0.03 0.09 89.48 08:00:01 3 10.40 0.00 0.39 0.02 0.08 89.10 08:10:09 all 9.39 0.00 0.40 0.02 0.09 90.11 08:10:09 0 9.29 0.00 0.38 0.03 0.08 90.22 08:10:09 1 9.45 0.00 0.44 0.02 0.09 90.00 08:10:09 2 9.13 0.00 0.40 0.01 0.09 90.36 08:10:09 3 9.67 0.00 0.37 0.03 0.09 89.85 08:20:09 all 19.58 0.00 0.73 0.04 0.09 79.55 08:20:09 0 20.32 0.00 0.78 0.08 0.08 78.74 08:20:09 1 18.75 0.00 0.74 0.04 0.09 80.38 08:20:09 2 19.60 0.00 0.66 0.02 0.09 79.63 08:20:09 3 19.66 0.00 0.76 0.04 0.08 79.46 Average: all 22.11 0.00 0.85 0.05 0.09 76.90 Average: 0 22.21 0.00 0.84 0.04 0.09 76.83 Average: 1 22.08 0.00 0.87 0.06 0.10 76.90 Average: 2 21.84 0.00 0.86 0.06 0.09 77.15 Average: 3 22.30 0.00 0.82 0.06 0.09 76.73